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.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• 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://ttraff.club/wix?keyword=online+tax+comparison+2020+vs+2021 In PDF document text

  • http://files.onelinerjokelab.com/uploads/1/3/1/3/131381411/gosenewoxo_ketegakeses.pdfIn PDF document text
  • http://files.thecoachmensclubhouse.com/uploads/1/3/0/7/130738696/volofekabi-sepaxajokulejok.pdfIn PDF document text
  • http://files.seetheworld.tours/uploads/1/3/2/8/132815961/bawifutopite.pdfIn PDF document text
  • http://winosav.jeanettebroxmccarthy.com/uploads/1/3/1/6/131607600/vogojigigubatipi.pdfIn PDF document text
  • http://jijuj.missouri-al-anon.org/uploads/1/3/2/6/132682883/1572882.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://f6e319a4-713a-483d-b235-f73977ff8f3b.filesusr.com/ugd/974a4e_5a74700a305941d9a01613f9387fe289.pdf?index=trueIn PDF document text
  • https://445e3b32-74e3-4f57-82a4-ac988050d83f.filesusr.com/ugd/fb5067_8eaaff10246a4bb5bff4029d2e4ebfae.pdf?index=trueIn PDF document text
  • https://d925ee49-a3ce-4804-a531-70f38f3656bf.filesusr.com/ugd/f1780b_eb0f3ffe94e74e4ea8b8b95ee6e365a7.pdf?index=trueIn PDF document text
  • https://94a51085-16d8-43e8-8a7b-9afcb2cb2a44.filesusr.com/ugd/3f8d85_332f7b792ea248568c7c91cbc6b72c42.pdf?index=trueIn PDF document text
  • https://ff1a5fff-94d6-40e9-a49f-7c53d92d551d.filesusr.com/ugd/c844bf_1bc71e3397554f558dc819a24bfa4c44.pdf?index=trueIn PDF document text
  • https://79af0977-8ad5-4680-9ddd-c3e9887f165b.filesusr.com/ugd/3a38e0_50a9b945ce4e4e339d8dfdaa9736acb7.pdf?index=trueIn 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
  • 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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