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://cctraff.ru/pify?keyword=lpic-1+study+guide+5th+edition+pdf In PDF document text

  • https://warobakun.weebly.com/uploads/1/3/4/4/134486798/tefibefijopafeto.pdfIn PDF document text
  • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/6201589.pdfIn PDF document text
  • https://sozivutapadonen.weebly.com/uploads/1/3/1/1/131164462/fepuxomofugamem.pdfIn PDF document text
  • https://zoveponezewuda.weebly.com/uploads/1/3/0/7/130738822/bitopaweruxivel.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393026/normal_5f8f797394646.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380380/normal_5f948be1d85d3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365608/normal_5f8ef741c09ff.pdfIn PDF document text
  • https://runebipunozup.weebly.com/uploads/1/3/1/4/131406604/fcf69ca7ff.pdfIn PDF document text
  • https://fodezamu.weebly.com/uploads/1/3/1/4/131407453/tozinoxidizene_lamova_pamujibazop.pdfIn PDF document text
  • https://dubutabinagi.weebly.com/uploads/1/3/4/4/134441981/4532644.pdfIn PDF document text
  • https://xakexoxos.weebly.com/uploads/1/3/4/3/134307698/dojenunemi.pdfIn PDF document text
  • https://wotufoxak.weebly.com/uploads/1/3/4/3/134308946/xavukinuverebuxobis.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388626/normal_5f91d2d710810.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367656/normal_5f8a3dea454c0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383160/normal_5f8d0fc092fa8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4409257/normal_5f9299c251a9e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380213/normal_5f8f57687ca78.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4404727/normal_5f943347dae44.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365545/normal_5f9163604f4e8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368503/normal_5f892b4729073.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383577/normal_5f94f4d246459.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007890.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007890.bin)
  • 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 extracted file (font_00_sfnt_off00007890.bin)

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