Malicious PDF — malware analysis report

Heuristics 6

• 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 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://druttle.ru/wb?keyword=nuclear%20reaction%20equations%20worksheet%20answers PDF link annotation

  • https://static.s123-cdn-static.com/uploads/4500446/normal_5ff198371aad5.pdfIn PDF document text
  • https://wusiparopebabo.weebly.com/uploads/1/3/4/5/134505529/paxud_menifug_pizipo.pdfIn PDF document text
  • https://tuwopabawebude.weebly.com/uploads/1/3/1/3/131382790/4d313e66.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4478133/normal_600c022d30768.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4475391/normal_6016c91dab2e2.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4474448/normal_5fc5e9003a453.pdfIn PDF document text
  • https://fuwefepitebu.weebly.com/uploads/1/3/4/7/134709748/509036.pdfIn PDF document text
  • https://jadamoxor.weebly.com/uploads/1/3/5/3/135344742/9264844.pdfIn PDF document text
  • https://guvolobojifo.weebly.com/uploads/1/3/4/7/134733869/9876646.pdfIn PDF document text
  • https://tawigijonepoter.weebly.com/uploads/1/3/4/0/134012415/wurimawiva.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4403418/normal_6001f2c79ac7e.pdfIn PDF document text
  • https://tavifarexup.weebly.com/uploads/1/3/4/6/134611028/6389086.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379970/normal_60152afb9e45d.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/falevi/ctet_result_2019_answer_key_paper_1.pdfIn PDF document text
  • https://s3.amazonaws.com/xaliwalufoguni/the_apostles_creed_catholic.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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