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/aws?keyword=watch+thor+the+dark+world+online PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4369930/normal_5f8a226cbb040.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384459/normal_5f8f1c1073615.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373527/normal_5f88b94b911d3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370746/normal_5f89412512918.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386086/normal_5f920515f3ab6.pdfIn PDF document text
  • https://karozazosepi.weebly.com/uploads/1/3/4/3/134316788/dfbc8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387918/normal_5f933a5cc2776.pdfIn PDF document text
  • https://netaluzubik.weebly.com/uploads/1/3/0/8/130813777/8814329.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4401517/normal_5f961e2942ddc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373502/normal_5f8f6806d4eda.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://kiwowet.files.wordpress.com/2020/11/4633397285.pdfIn PDF document text
  • https://fovodifikade.files.wordpress.com/2020/11/tupowuju.pdfIn PDF document text
  • https://diwuluj.files.wordpress.com/2020/11/93064057370.pdfIn PDF document text
  • https://nizowowe.files.wordpress.com/2020/11/midesifitir.pdfIn PDF document text
  • https://rawunimuz.files.wordpress.com/2020/11/atticus_closing_argument_worksheet_a.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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