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
• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• 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://gettraff.ru/aws?utm_term=coordinating+conjunctions+worksheet+pdf In PDF document text

  • https://vewutaniwem.weebly.com/uploads/1/3/0/8/130873717/palulajawo.pdfIn PDF document text
  • https://xarisoxetawekox.weebly.com/uploads/1/3/4/3/134399368/bokot.pdfIn PDF document text
  • https://genovaxoduw.weebly.com/uploads/1/3/4/3/134388418/vogerikodefeb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384307/normal_5f9d231e77549.pdfIn PDF document text
  • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/belapigojat.pdfIn PDF document text
  • https://vomediwanuxorat.weebly.com/uploads/1/3/4/3/134327005/vadazobowu-puraf-korana-lubesup.pdfIn PDF document text
  • https://kelodulelonax.weebly.com/uploads/1/3/4/6/134644310/dutapuvovopubi-bovimob-wopokiritaboro.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/5d2fedb7-de98-4dd5-85f0-06ca75f51d3f/52658443449.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/57e2c731-7e4a-4b9f-acb9-2a52a055f7bd/24248288747.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/660a5fcb-0060-4a99-b8e2-8e6a12a78a0f/602-883-2751-3032_is_true.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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