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://trafficel.ru/123?keyword=ledger+line+worksheet PDF link annotation

  • https://kujuxase.weebly.com/uploads/1/3/4/5/134584075/9210010.pdfIn PDF document text
  • https://terarawuterojuz.weebly.com/uploads/1/3/0/7/130739827/binuzepanes.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369766/normal_5f952bd87da36.pdfIn PDF document text
  • https://fepirajoruvizu.weebly.com/uploads/1/3/4/3/134311883/c5a7302a03.pdfIn PDF document text
  • https://neburaguvud.weebly.com/uploads/1/3/4/4/134477844/6a45f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367903/normal_5f8782ce83e80.pdfIn PDF document text
  • https://sozipufejelaj.weebly.com/uploads/1/3/4/3/134352325/8b0ff.pdfIn PDF document text
  • https://sonujesenusa.weebly.com/uploads/1/3/4/3/134344018/3813202.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383467/normal_5f8bf4fb7f577.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413455/normal_5fa12f40069cf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393035/normal_5f958092e49c7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373301/normal_5f8a222e11547.pdfIn PDF document text
  • https://jalewigevat.weebly.com/uploads/1/3/2/6/132681207/1f26aa0da8609.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379626/normal_5fa5f24a7638a.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://uploads.strikinglycdn.com/files/2e408420-833c-4287-9b17-acb11b538c7b/shrek_the_musical_vocal_score.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/72d4a598-30f3-4cdd-af66-0f034cb7c7e3/20758604684.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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