Malicious PDF — malware analysis report

Heuristics 5

• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://gettraff.ru/123?keyword=convertir+pdf+a+powerpoint+2020 In PDF document text

  • https://cdn-cms.f-static.net/uploads/4374857/normal_5f8dfeabdca9f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368244/normal_5f88b3ef2093d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369322/normal_5f8b244ecba11.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383314/normal_5f8d306a567da.pdfIn PDF document text
  • https://gusumadanu.weebly.com/uploads/1/3/2/6/132695601/a9f12b2aa1eeba.pdfIn PDF document text
  • https://voduzivet.weebly.com/uploads/1/3/1/6/131607522/fapelufifew.pdfIn PDF document text
  • https://megadezatesaram.weebly.com/uploads/1/3/0/7/130776649/tavurufida_sopelavude_kivetofavixagox_piwoxojukuzifo.pdfIn PDF document text
  • https://zadumeredevasax.weebly.com/uploads/1/3/1/4/131453870/a7405e2b5148652.pdfIn PDF document text
  • https://zizuralozirufu.weebly.com/uploads/1/3/1/4/131483034/soposaxovuj.pdfIn PDF document text
  • https://wosezobar.weebly.com/uploads/1/3/1/8/131856012/5221445.pdfIn PDF document text
  • https://temazojirilezin.weebly.com/uploads/1/3/2/3/132302863/bagifesanoni-xirosowanaka-gedivolasolite-xitakatefo.pdfIn PDF document text
  • https://biwugina.weebly.com/uploads/1/3/1/1/131163984/e92d09b674.pdfIn PDF document text
  • https://mabanopovofed.weebly.com/uploads/1/3/1/4/131453130/suradinazusosaso.pdfIn PDF document text
  • https://lokixesope.weebly.com/uploads/1/3/1/6/131607163/jivudugog.pdfIn PDF document text
  • https://naxedomabaxa.weebly.com/uploads/1/3/1/6/131606472/1f2ae0.pdfIn PDF document text
  • https://laxuruvu.weebly.com/uploads/1/3/1/4/131482832/sadinojesok-gosoto.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/zuxadol/wozojosifisa.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/87924577855.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/chili_s_menu_2017.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/histologie_de_l_appareil_urinaire.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/2626/7291/files/27974767235.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/1113/2573/files/do_you_know_your_neighbor_game.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/5850/3573/files/invoker_dota_2_wiki.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/8315/9969/files/63599959701.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/0254/3778/files/11709685605.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • https://savannah.gnu.org/projects/freefont/In PDF document text
  • http://www.gnu.org/licenses/In PDF document text
  • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
  • http://scripts.sil.org/OFLIn PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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