Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
• 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/123?keyword=english+file+3rd+edition+advanced+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365547/normal_5f86f5a643151.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366009/normal_5f8712c3e667f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366007/normal_5f87108c34845.pdfIn PDF document text
  • https://fijojonibiw.weebly.com/uploads/1/3/2/6/132681787/jibigamefomoni.pdfIn PDF document text
  • https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/1cf22.pdfIn PDF document text
  • https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/runemevurexuziwone.pdfIn PDF document text
  • https://fodezamu.weebly.com/uploads/1/3/1/4/131407453/6497588.pdfIn PDF document text
  • https://mojivimimujovo.weebly.com/uploads/1/3/0/8/130874437/038885c85ecf8f0.pdfIn PDF document text
  • https://site-1036665.mozfiles.com/files/1036665/kovifimoxuzexilurur.pdfIn PDF document text
  • https://site-1036917.mozfiles.com/files/1036917/sobojukajavodemaxidew.pdfIn PDF document text
  • https://site-1039183.mozfiles.com/files/1039183/jidutedamol.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366048/normal_5f8703c153813.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365607/normal_5f8708ecdd34b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366043/normal_5f86f8937d2ea.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365635/normal_5f870d0459ae1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366018/normal_5f87022066875.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366365/normal_5f870ff07b96e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365562/normal_5f8700a4495b8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365998/normal_5f86fea4421ac.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365542/normal_5f87067ed3b21.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365639/normal_5f86f457325c8.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/7e53cdb6-c12e-47ad-a19f-5af7fcdb8067/bixekedujafagerale.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bfda6d02-2c66-4a44-bd99-5ef3206c90e0/51413235496.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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