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://gettraff.ru/strik?keyword=ashdown+forest+walks+pdf In PDF document text

  • https://site-1036907.mozfiles.com/files/1036907/papimogarenituruvedopefem.pdfIn PDF document text
  • https://site-1037203.mozfiles.com/files/1037203/nebezezun.pdfIn PDF document text
  • https://site-1036838.mozfiles.com/files/1036838/69520882979.pdfIn PDF document text
  • https://site-1037124.mozfiles.com/files/1037124/zerosurawodizibib.pdfIn PDF document text
  • https://site-1037233.mozfiles.com/files/1037233/58517425778.pdfIn PDF document text
  • http://tafiw.carpetcleaningbyjeff.com/uploads/1/3/1/3/131380591/5995846.pdfIn PDF document text
  • http://jelol.fietsenjomi.com/uploads/1/3/2/7/132712676/6820718.pdfIn PDF document text
  • http://files.seattlefirstbaptist.org/uploads/1/3/2/3/132303080/81e42db7c9176.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/0a87e3de-e9df-4e87-a004-14f5243b353f/31086806494.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ed9ae72d-d1e6-4e6f-8f96-b401109846df/80434223747.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/1416/7450/files/67173127965.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/6666/1791/files/chartered_accountant_exam_questions_and_answers.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/7904/7070/files/atheros_bluetooth_driver_windows_7_free.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/7812/3680/files/indesign_interactive_templates.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/9550/4536/files/17707329976.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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