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://traffking.ru/aws?keyword=trailer+guide+posts+boats In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369647/normal_5fa242814d0ca.pdfIn PDF document text
  • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/mofep.pdfIn PDF document text
  • https://rolawopu.weebly.com/uploads/1/3/4/3/134317168/b55c0bd0da5.pdfIn PDF document text
  • https://gusumadanu.weebly.com/uploads/1/3/2/6/132695601/6894496.pdfIn PDF document text
  • https://susunagetasapok.weebly.com/uploads/1/3/4/4/134470533/vulub.pdfIn PDF document text
  • https://basitonivi.weebly.com/uploads/1/3/4/5/134584834/84a84.pdfIn PDF document text
  • https://bemuzulezevateb.weebly.com/uploads/1/3/4/4/134440878/df1450c3cf2ad0.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/f3096fd5-a11a-415b-a6c2-858fcf6cbafb/bissell_turboclean_powerbrush_pet_instructions.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/37736bcb-6a2e-4173-bff4-7d6d40c46154/buy_here_pay_here_hickory_nc.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/436bfcd2-ff76-4efa-918d-5f73e988cfa3/pejufunuzugomi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a98af6ab-d23f-4fe8-bdca-1bb839bae971/44539113906.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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