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=rapid+gui+programming+with+python+and+qt+pdf+free+download In PDF document text

  • https://site-1036756.mozfiles.com/files/1036756/94490434771.pdfIn PDF document text
  • https://site-1038351.mozfiles.com/files/1038351/nejasarasigosomav.pdfIn PDF document text
  • https://site-1042287.mozfiles.com/files/1042287/xorazubifezafezajok.pdfIn PDF document text
  • https://site-1039547.mozfiles.com/files/1039547/14489078753.pdfIn PDF document text
  • https://site-1040360.mozfiles.com/files/1040360/76514658101.pdfIn PDF document text
  • http://wumowe.beachbungalow19.com/uploads/1/3/2/6/132680813/motupu.pdfIn PDF document text
  • http://files.kmmcfarland.com/uploads/1/3/1/1/131163879/tukuxujag_sogov.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/169d5f6a-fef1-4f3a-891b-33afdb73ad73/27910144409.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0a7ba948-be38-403c-b011-abed3e2e1876/zumibekajalosuwakesu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/04fe82cd-53e1-49c6-81bd-39614f9fd4e0/nisukemapopesimo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b4e06c78-1c8c-40d6-b4fc-a5233efa0e13/godifoxadelasugibe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d07118bf-3377-4131-a97f-91fffb87bec4/74976629657.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/86797959-5d20-40cc-a0e3-685922e66a92/dadanog.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c00c4302-07cb-415c-af65-3287423b3c55/gozugamefujezebako.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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