Malicious PDF — malware analysis report

Heuristics 5

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://golowaki.ru/123?utm_term=secondary+checkpoint+english+past+papers+free PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4449622/normal_5fd8b2107c3fe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4404290/normal_606970f9b71af.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4471474/normal_6012f83d3d58d.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4502817/normal_5fdcc92dbbade.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4454977/normal_6037383ed0069.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4454163/normal_6047ff7495d03.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4380070/normal_5fce67d3bba7a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4479433/normal_605ee7862ced3.pdfIn PDF document text
  • https://static.s123-cdn-static-d.com/uploads/4451941/normal_60b4f5c4499e8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4417827/normal_603a8b96a9679.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4366336/normal_5ff23a0a5912c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4421214/normal_6041a02e10e0d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4404103/normal_5fd1ce1be1f16.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4450634/normal_6042df8b1b713.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://xinunubaz.pbworks.com/f/zevaxilenik.pdfIn PDF document text
  • http://subazim.pbworks.com/w/file/fetch/144566562/70245450001.pdfIn PDF document text
  • http://wepoline.pbworks.com/w/file/fetch/144450399/53747622586.pdfIn PDF document text
  • http://sujagajo.pbworks.com/w/file/fetch/144496878/55563362092.pdfIn PDF document text
  • http://sizolasipape.pbworks.com/w/file/fetch/144560520/43394938157.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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