Malicious PDF — malware analysis report

Heuristics 5

• 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/strik?keyword=time+attendance+management+v+2008+espa%25C3%25B1ol In PDF document text

  • https://site-1037202.mozfiles.com/files/1037202/xedinifumifasozoliwakufus.pdfIn PDF document text
  • https://site-1038529.mozfiles.com/files/1038529/79857897270.pdfIn PDF document text
  • https://site-1037164.mozfiles.com/files/1037164/69942809834.pdfIn PDF document text
  • https://site-1038334.mozfiles.com/files/1038334/74330430557.pdfIn PDF document text
  • http://pijep.aedprockymountains.org/uploads/1/3/1/4/131409546/ziditef.pdfIn PDF document text
  • http://zodek.creativeripplesbylisa.com/uploads/1/3/0/8/130813988/rusexapasivabox_negotat_zozemozovovutim_zewevenedaxite.pdfIn PDF document text
  • http://files.dickersongreenseminary.org/uploads/1/3/2/3/132302916/sirokubeja.pdfIn PDF document text
  • http://files.8suitcases.com/uploads/1/3/1/3/131384301/xifomeni-minibufonek-dozub.pdfIn PDF document text
  • http://files.futureteaming.com/uploads/1/3/2/8/132816041/8070037.pdfIn PDF document text
  • http://bukixer.boonennedroughtmasters.com/uploads/1/3/0/8/130874058/4816913.pdfIn PDF document text
  • http://lelikaz.alexatamianphotography.com/uploads/1/3/1/4/131483138/4660629.pdfIn PDF document text
  • http://files.cpmsband.com/uploads/1/3/1/0/131070933/4044600.pdfIn PDF document text
  • http://fatizerod.aaronmostojfeathers.com/uploads/1/3/2/6/132695399/diluxonin.pdfIn PDF document text
  • http://files.crystalmorsegolf.com/uploads/1/3/1/4/131453645/fd0306c111798.pdfIn PDF document text
  • http://files.slant.biz/uploads/1/3/0/9/130969353/3037182.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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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