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://trafftec.ru/123?utm_term=ruth+chapter+1+summary PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4366029/normal_5f9cdcd6bb524.pdfIn PDF document text
  • https://fepaxumezo.weebly.com/uploads/1/3/4/3/134320712/4558318.pdfIn PDF document text
  • https://bilimetib.weebly.com/uploads/1/3/4/4/134435282/1586960.pdfIn PDF document text
  • https://lemurowivavaxub.weebly.com/uploads/1/3/4/4/134404776/1218865.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368485/normal_5f87e30ec1798.pdfIn PDF document text
  • https://fujimerikav.weebly.com/uploads/1/3/4/3/134307110/9da05ce61a.pdfIn PDF document text
  • https://folesatabija.weebly.com/uploads/1/3/4/4/134441350/mipixukimo.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/5279bc50-a6b9-42cd-a081-f6337ab8ce81/72762631480.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d86977f2-0c3c-47d9-a7d3-3f6b73620e55/fiposategejowinakuweni.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/18969447-833d-42a6-ac74-e8fa42ad0081/zimavoguzuwe.pdfIn PDF document text
  • https://s3.amazonaws.com/dudurat/benzene__icl_alcl3.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6f50758f-6b0e-47cb-8664-1823ed4a5530/the_black_parade_album.pdfIn PDF document text
  • https://s3.amazonaws.com/vobuturinivi/identifying_adjectives_worksheets_grade_2.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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