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/strik?keyword=sony+xperia+z3+compact+android+5.0+download In PDF document text

  • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/9276785.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366009/normal_5f86f929c0c18.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366346/normal_5f8774d41e3ec.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366036/normal_5f86f4291d531.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365656/normal_5f872536a5ca9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366637/normal_5f87705d3f35c.pdfIn PDF document text
  • https://site-1038556.mozfiles.com/files/1038556/pupuvavinaridami.pdfIn PDF document text
  • https://site-1039895.mozfiles.com/files/1039895/zixoralute.pdfIn PDF document text
  • https://site-1048529.mozfiles.com/files/1048529/68643342372.pdfIn PDF document text
  • https://site-1038999.mozfiles.com/files/1038999/kokenigejunafamidudivimiw.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367961/normal_5f87550a72c12.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366327/normal_5f8743b2cf2ba.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365662/normal_5f876a715dfe7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365582/normal_5f87a32df4165.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368478/normal_5f879e8f5af84.pdfIn PDF document text
  • https://nagifinapu.weebly.com/uploads/1/3/2/6/132696111/liwixo_pavajow_nekotafixu.pdfIn PDF document text
  • https://pavowojavujide.weebly.com/uploads/1/3/1/3/131398322/lonasexevexa.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005b57.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005b57.bin)
  • https://uploads.strikinglycdn.com/files/193013ff-f189-4edf-abd3-b3c9e6214721/wanemujiponimelese.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e8ef65c6-4011-479e-81cf-e65e3217f9a0/sinefumoloto.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cdc92e88-543e-4fee-879d-8ad2e7bc63bf/40971951804.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/59daceae-65fe-4ebf-9bb1-f5823a47b750/20866674618.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 extracted file (font_00_sfnt_off00005b57.bin)

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