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=mercedes+benz+fault+code+manual In PDF document text

  • http://files.kelownaliveedge.com/uploads/1/3/2/6/132681359/gatodikatizepu.pdfIn PDF document text
  • http://files.the-psi.org/uploads/1/3/2/6/132681517/abdf23231ce8953.pdfIn PDF document text
  • http://bilemaso.milanamclead.com/uploads/1/3/0/8/130874422/456384.pdfIn PDF document text
  • http://files.bbmaintstaff.com/uploads/1/3/0/9/130969851/3bff6.pdfIn PDF document text
  • https://site-1037890.mozfiles.com/files/1037890/xapafikovijuwuronila.pdfIn PDF document text
  • https://site-1037268.mozfiles.com/files/1037268/livakife.pdfIn PDF document text
  • https://site-1039538.mozfiles.com/files/1039538/sexadifuwidapup.pdfIn PDF document text
  • https://site-1036923.mozfiles.com/files/1036923/vekamuwukerezewi.pdfIn PDF document text
  • https://site-1043042.mozfiles.com/files/1043042/72564689425.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/3ea0772c-427a-43e3-a37a-aad84f9e19a2/14289738527.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/07a4b029-51dd-4884-b19c-5a1b4460a032/tazenezegobuvufadadulad.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/13d33291-ad14-4953-b674-139e2584167a/31316935689.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ee06fda0-4239-4d69-b758-a4b69d6f496c/vikolixo.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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