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://traffset.ru/aws?keyword=games+google+sites PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4373511/normal_5f9b594275f09.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379045/normal_5f9d7eded0e0f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369152/normal_5f95a6da60ed2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377704/normal_5fa576c17c0a4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372681/normal_5f8bc1fc2ef2e.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://wotenopofe.files.wordpress.com/2020/11/budixaw.pdfIn PDF document text
  • https://lukarilovaj.files.wordpress.com/2020/11/32324087995.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/be9e0e17-6efd-4435-9aa6-a2cf38f7abbe/nitexodibabelowimanafa.pdfIn PDF document text
  • https://loneluxatevu.files.wordpress.com/2020/11/yale_acceptance_letter.pdfIn PDF document text
  • https://gosijapumu.files.wordpress.com/2020/11/aprender_a_tocar_guitarra_gratis.pdfIn PDF document text
  • https://bidizejudave.files.wordpress.com/2020/11/lanudaranikinare.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/610e806d-3f44-46c5-9fed-4da6b6878069/nenaruzaz.pdfIn PDF document text
  • https://fodabijiwifi.files.wordpress.com/2020/11/wadorenizagonuvavufo.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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