Malicious PDF — malware analysis report

Heuristics 4

• 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 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://cctraff.ru/strik?keyword=smeg+60cm+pyrolytic+oven+manual In PDF document text

  • http://muwat.serenitypsy.com/uploads/1/3/1/4/131453915/vobepab_sulepu.pdfIn PDF document text
  • http://pewudu.blackberrywhite.com/uploads/1/3/1/4/131482975/lesebijux.pdfIn PDF document text
  • http://files.agilityideas.com/uploads/1/3/2/3/132302819/tukor-gimusomubog-verabovojadi.pdfIn PDF document text
  • http://files.pferde-ernaehrung.ch/uploads/1/3/1/4/131407299/2250597.pdfIn PDF document text
  • http://files.jennifersglasscreations.com/uploads/1/3/1/3/131398507/4083773.pdfIn PDF document text
  • http://gagokeg.arlenegersonphd.com/uploads/1/3/2/6/132681352/461d3b13fa6f.pdfIn PDF document text
  • http://files.groundsforlove.org/uploads/1/3/1/4/131437457/kuzufivifaxibus.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/b7d96b7c-4511-4cb9-98d6-7db62255d89c/70885493013.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d0d840d5-0054-495b-b660-2446259f01ba/60719656905.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ae27ba5a-6e8b-455b-a9f4-bcbe168e00ee/8982193979.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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