{"id":619,"date":"2009-10-08T08:59:24","date_gmt":"2009-10-08T11:59:24","guid":{"rendered":"https:\/\/www.talsoft-security.com\/site\/?p=619"},"modified":"2009-10-08T08:59:24","modified_gmt":"2009-10-08T11:59:24","slug":"analisis-de-documentos-pdf-en-busca-de-codigo-malicioso","status":"publish","type":"post","link":"https:\/\/www.talsoft-security.com\/site\/analisis-de-documentos-pdf-en-busca-de-codigo-malicioso\/","title":{"rendered":"An\u00e1lisis de documentos PDF en busca de c\u00f3digo malicioso"},"content":{"rendered":"<p>Los archivos PDF pueden llegar a ser un riesgo de seguridad ya que debido a sus propiedades, en concreto el uso de filtros, permiten esconder informaci\u00f3n mediante la codificaci\u00f3n y compresi\u00f3n de streams. Esta caracter\u00edstica es utilizada para esconder c\u00f3digo Javascript y explotar las vulnerabilidades del lector PDF y as\u00ed comprometer la seguridad del sistema.<br \/>\n<a name=\"more\"><\/a><br \/>\nCon la herramienta Origami es posible buscar c\u00f3digo malicioso en archivos PDF, con potentes scripts y una interfaz grafica que facilita el an\u00e1lisis.<\/p>\n<p>Entre las caracter\u00edsticas de Origami destaca:<\/p>\n<ul>\n<li>Permite explorar documentos a nivel de objeto, buscando c\u00f3digo en streams codificados o ofuscados.<\/li>\n<li>Realiza operaciones de alto nivel, tales como: encriptaci\u00f3n, desciframiento y firma.<\/li>\n<li>Posee un interfaz grafico para analizar r\u00e1pidamente en el contenido del documento.<\/li>\n<\/ul>\n<p>Origami contiene un conjunto de scripts para facilitar el an\u00e1lisis y otras tareas:<\/p>\n<ul>\n<li> detectjs.rb: busca c\u00f3digo Javascript en el documento.<\/li>\n<li> embed.rb: agrega un attachment al documento.<\/li>\n<li> create-jspdf.rb: agrega c\u00f3digo Javascript a un archivo PDF, que se ejecutara cuando se abra el documento.<\/li>\n<li> moebius.rb: transforma un PDF en moebius.<\/li>\n<li> encrypt.rb: cifra un archivo PDF.<\/li>\n<\/ul>\n<p>M\u00e1s informaci\u00f3n y descarga de Origami: <a href=\"http:\/\/security-labs.org\/origami\">http:\/\/security-labs.org\/origami<\/a><\/p>\n<p>Fuente: Gur\u00fa de la inform\u00e1tica y SeguInfor<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Los archivos PDF pueden llegar a ser un riesgo de seguridad ya que debido a sus propiedades, en concreto el uso de filtros, permiten esconder informaci\u00f3n mediante la codificaci\u00f3n y compresi\u00f3n de streams. Esta caracter\u00edstica es utilizada para esconder c\u00f3digo Javascript y explotar las vulnerabilidades del lector PDF y as\u00ed comprometer la seguridad del sistema. [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-619","post","type-post","status-publish","format-standard","hentry","category-profesional"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>TalSoft - Seguridad Inform\u00e1tica Empresarial - An\u00e1lisis de documentos PDF en busca de c\u00f3digo malicioso<\/title>\n<meta name=\"description\" content=\"Talsoft transforma la visi\u00f3n de las empresas para que puedan proteger su informaci\u00f3n cr\u00edtica y confidencial frente ataques inform\u00e1ticos. Cons\u00faltenos sin cargo.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.talsoft-security.com\/site\/analisis-de-documentos-pdf-en-busca-de-codigo-malicioso\/\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Leandro Ferrari\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.talsoft-security.com\/site\/analisis-de-documentos-pdf-en-busca-de-codigo-malicioso\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.talsoft-security.com\/site\/analisis-de-documentos-pdf-en-busca-de-codigo-malicioso\/\"},\"author\":{\"name\":\"Leandro Ferrari\",\"@id\":\"https:\/\/www.talsoft-security.com\/site\/#\/schema\/person\/83d2ebde035a5a030c14e522351953c8\"},\"headline\":\"An\u00e1lisis de documentos PDF en busca de c\u00f3digo malicioso\",\"datePublished\":\"2009-10-08T11:59:24+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.talsoft-security.com\/site\/analisis-de-documentos-pdf-en-busca-de-codigo-malicioso\/\"},\"wordCount\":224,\"publisher\":{\"@id\":\"https:\/\/www.talsoft-security.com\/site\/#organization\"},\"articleSection\":[\"Profesional\"],\"inLanguage\":\"en-GB\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.talsoft-security.com\/site\/analisis-de-documentos-pdf-en-busca-de-codigo-malicioso\/\",\"url\":\"https:\/\/www.talsoft-security.com\/site\/analisis-de-documentos-pdf-en-busca-de-codigo-malicioso\/\",\"name\":\"TalSoft - Seguridad Inform\u00e1tica Empresarial - An\u00e1lisis de documentos PDF en busca de c\u00f3digo malicioso\",\"isPartOf\":{\"@id\":\"https:\/\/www.talsoft-security.com\/site\/#website\"},\"datePublished\":\"2009-10-08T11:59:24+00:00\",\"description\":\"Talsoft transforma la visi\u00f3n de las empresas para que puedan proteger su informaci\u00f3n cr\u00edtica y confidencial frente ataques inform\u00e1ticos. Cons\u00faltenos sin cargo.\",\"inLanguage\":\"en-GB\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.talsoft-security.com\/site\/analisis-de-documentos-pdf-en-busca-de-codigo-malicioso\/\"]}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.talsoft-security.com\/site\/#website\",\"url\":\"https:\/\/www.talsoft-security.com\/site\/\",\"name\":\"TalSoft TS - Services IT Security\",\"description\":\"Talsoft is transforming awareness, control and decision-making power so that companies can protect their critical and confidential information from computer attacks.\",\"publisher\":{\"@id\":\"https:\/\/www.talsoft-security.com\/site\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.talsoft-security.com\/site\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-GB\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.talsoft-security.com\/site\/#organization\",\"name\":\"Talsoft TS\",\"url\":\"https:\/\/www.talsoft-security.com\/site\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\/\/www.talsoft-security.com\/site\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.talsoft-security.com\/site\/wp-content\/uploads\/2014\/02\/talsoft_logo_270x125.png\",\"contentUrl\":\"https:\/\/www.talsoft-security.com\/site\/wp-content\/uploads\/2014\/02\/talsoft_logo_270x125.png\",\"width\":270,\"height\":125,\"caption\":\"Talsoft TS\"},\"image\":{\"@id\":\"https:\/\/www.talsoft-security.com\/site\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"http:\/\/www.facebook.com\/talsoftsrl\",\"https:\/\/x.com\/talsoft\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.talsoft-security.com\/site\/#\/schema\/person\/83d2ebde035a5a030c14e522351953c8\",\"name\":\"Leandro Ferrari\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\/\/www.talsoft-security.com\/site\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/cd259c10675b9fd302b2e6264231febeeeb3de578400cf8c91c6577e50a0d34a?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/cd259c10675b9fd302b2e6264231febeeeb3de578400cf8c91c6577e50a0d34a?s=96&d=mm&r=g\",\"caption\":\"Leandro Ferrari\"},\"sameAs\":[\"http:\/\/www.talsoft.com.ar\",\"https:\/\/www.facebook.com\/talsoftsrl\/\",\"https:\/\/x.com\/avatar_leandro\"],\"url\":\"https:\/\/www.talsoft-security.com\/site\/author\/leandro\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"TalSoft - Seguridad Inform\u00e1tica Empresarial - An\u00e1lisis de documentos PDF en busca de c\u00f3digo malicioso","description":"Talsoft transforma la visi\u00f3n de las empresas para que puedan proteger su informaci\u00f3n cr\u00edtica y confidencial frente ataques inform\u00e1ticos. Cons\u00faltenos sin cargo.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.talsoft-security.com\/site\/analisis-de-documentos-pdf-en-busca-de-codigo-malicioso\/","twitter_misc":{"Written by":"Leandro Ferrari","Estimated reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.talsoft-security.com\/site\/analisis-de-documentos-pdf-en-busca-de-codigo-malicioso\/#article","isPartOf":{"@id":"https:\/\/www.talsoft-security.com\/site\/analisis-de-documentos-pdf-en-busca-de-codigo-malicioso\/"},"author":{"name":"Leandro Ferrari","@id":"https:\/\/www.talsoft-security.com\/site\/#\/schema\/person\/83d2ebde035a5a030c14e522351953c8"},"headline":"An\u00e1lisis de documentos PDF en busca de c\u00f3digo malicioso","datePublished":"2009-10-08T11:59:24+00:00","mainEntityOfPage":{"@id":"https:\/\/www.talsoft-security.com\/site\/analisis-de-documentos-pdf-en-busca-de-codigo-malicioso\/"},"wordCount":224,"publisher":{"@id":"https:\/\/www.talsoft-security.com\/site\/#organization"},"articleSection":["Profesional"],"inLanguage":"en-GB"},{"@type":"WebPage","@id":"https:\/\/www.talsoft-security.com\/site\/analisis-de-documentos-pdf-en-busca-de-codigo-malicioso\/","url":"https:\/\/www.talsoft-security.com\/site\/analisis-de-documentos-pdf-en-busca-de-codigo-malicioso\/","name":"TalSoft - Seguridad Inform\u00e1tica Empresarial - An\u00e1lisis de documentos PDF en busca de c\u00f3digo malicioso","isPartOf":{"@id":"https:\/\/www.talsoft-security.com\/site\/#website"},"datePublished":"2009-10-08T11:59:24+00:00","description":"Talsoft transforma la visi\u00f3n de las empresas para que puedan proteger su informaci\u00f3n cr\u00edtica y confidencial frente ataques inform\u00e1ticos. Cons\u00faltenos sin cargo.","inLanguage":"en-GB","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.talsoft-security.com\/site\/analisis-de-documentos-pdf-en-busca-de-codigo-malicioso\/"]}]},{"@type":"WebSite","@id":"https:\/\/www.talsoft-security.com\/site\/#website","url":"https:\/\/www.talsoft-security.com\/site\/","name":"TalSoft TS - Services IT Security","description":"Talsoft is transforming awareness, control and decision-making power so that companies can protect their critical and confidential information from computer attacks.","publisher":{"@id":"https:\/\/www.talsoft-security.com\/site\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.talsoft-security.com\/site\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-GB"},{"@type":"Organization","@id":"https:\/\/www.talsoft-security.com\/site\/#organization","name":"Talsoft TS","url":"https:\/\/www.talsoft-security.com\/site\/","logo":{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:\/\/www.talsoft-security.com\/site\/#\/schema\/logo\/image\/","url":"https:\/\/www.talsoft-security.com\/site\/wp-content\/uploads\/2014\/02\/talsoft_logo_270x125.png","contentUrl":"https:\/\/www.talsoft-security.com\/site\/wp-content\/uploads\/2014\/02\/talsoft_logo_270x125.png","width":270,"height":125,"caption":"Talsoft TS"},"image":{"@id":"https:\/\/www.talsoft-security.com\/site\/#\/schema\/logo\/image\/"},"sameAs":["http:\/\/www.facebook.com\/talsoftsrl","https:\/\/x.com\/talsoft"]},{"@type":"Person","@id":"https:\/\/www.talsoft-security.com\/site\/#\/schema\/person\/83d2ebde035a5a030c14e522351953c8","name":"Leandro Ferrari","image":{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:\/\/www.talsoft-security.com\/site\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/cd259c10675b9fd302b2e6264231febeeeb3de578400cf8c91c6577e50a0d34a?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/cd259c10675b9fd302b2e6264231febeeeb3de578400cf8c91c6577e50a0d34a?s=96&d=mm&r=g","caption":"Leandro Ferrari"},"sameAs":["http:\/\/www.talsoft.com.ar","https:\/\/www.facebook.com\/talsoftsrl\/","https:\/\/x.com\/avatar_leandro"],"url":"https:\/\/www.talsoft-security.com\/site\/author\/leandro\/"}]}},"_links":{"self":[{"href":"https:\/\/www.talsoft-security.com\/site\/wp-json\/wp\/v2\/posts\/619","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.talsoft-security.com\/site\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.talsoft-security.com\/site\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.talsoft-security.com\/site\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.talsoft-security.com\/site\/wp-json\/wp\/v2\/comments?post=619"}],"version-history":[{"count":2,"href":"https:\/\/www.talsoft-security.com\/site\/wp-json\/wp\/v2\/posts\/619\/revisions"}],"predecessor-version":[{"id":621,"href":"https:\/\/www.talsoft-security.com\/site\/wp-json\/wp\/v2\/posts\/619\/revisions\/621"}],"wp:attachment":[{"href":"https:\/\/www.talsoft-security.com\/site\/wp-json\/wp\/v2\/media?parent=619"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.talsoft-security.com\/site\/wp-json\/wp\/v2\/categories?post=619"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.talsoft-security.com\/site\/wp-json\/wp\/v2\/tags?post=619"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}