Malicious PDF — malware analysis report

Heuristics 4

• 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 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://gettraff.ru/strik?keyword=printable+circle+template In PDF document text

  • https://site-1039515.mozfiles.com/files/1039515/wonab.pdfIn PDF document text
  • https://site-1037878.mozfiles.com/files/1037878/jerogato.pdfIn PDF document text
  • https://site-1037224.mozfiles.com/files/1037224/bazubojirowosar.pdfIn PDF document text
  • https://site-1036880.mozfiles.com/files/1036880/54537014124.pdfIn PDF document text
  • http://boses.justintymeboots.com/uploads/1/3/0/8/130813528/joxabel.pdfIn PDF document text
  • http://jebol.thecelestecollection.com/uploads/1/3/2/6/132681352/vadet_tulefadizew.pdfIn PDF document text
  • http://files.kandopuppies.com/uploads/1/3/2/6/132681611/f41f474a395.pdfIn PDF document text
  • http://fuvotamuf.how2productions.co.uk/uploads/1/3/1/0/131070786/jixuw.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/857a0aa3-d73e-40f2-9a24-34369728f7b6/84531366299.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f2b8c3fe-7ea8-4578-94ef-7f114ac3d36d/36738872236.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5f33ac08-e685-4c86-a1e5-f3c3f61382ac/zejim.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/86412465-5780-4322-bcda-d14b352328ff/66870181036.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7018cf4b-a85a-46e0-bef8-4f51a6a7dc06/lovugelumuse.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e4ed9030-5b31-414e-959f-560f1988bc8f/6376779708.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/65b29f4a-749f-471e-8dfd-3f4e8ab6c54a/zewavuzepexopuzoz.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
  • http://scripts.sil.org/OFLIn PDF document text

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