Malicious PDF — malware analysis report

Heuristics 5

• 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.
• External URI info PDF_URI
  PDF contains an external URL action
• 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://trafffi.ru/123?keyword=bob+movies+online+us PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4388413/normal_5f903c3518d94.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366327/normal_5f9247aebb910.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4408343/normal_5f97ad9d85bb5.pdfIn PDF document text
  • https://vezexozozufizus.weebly.com/uploads/1/3/4/3/134372857/wefajivolinilikewa.pdfIn PDF document text
  • https://jowodetuleguzu.weebly.com/uploads/1/3/1/8/131856173/3790007.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367645/normal_5f87673a5b151.pdfIn PDF document text
  • https://zovodexipelozas.weebly.com/uploads/1/3/4/4/134401167/foxap_bowalawoji.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366965/normal_5f875b4cb9d83.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384461/normal_5f94e26caf801.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4410214/normal_5f9ec166ad1b5.pdfIn PDF document text
  • https://wavutokemik.weebly.com/uploads/1/3/4/3/134309613/1b535e2ba57a2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4420775/normal_5fa373e2e6cd6.pdfIn PDF document text
  • https://zisogojevup.weebly.com/uploads/1/3/1/4/131453725/c418e8467.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://s3.amazonaws.com/wonoti/748_credit_score_rank.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cc30bfdf-ca7c-4bee-80fb-96cf75292eaf/sozaxonofu.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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