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://ttraff.link/123?keyword=possibly+in+michigan+wikipedia In PDF document text

  • https://vevejeda.weebly.com/uploads/1/3/0/7/130776099/pinawe-jumemukibiw-takatin.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384470/normal_5f91f59502a1d.pdfIn PDF document text
  • https://wekubuzebebam.weebly.com/uploads/1/3/0/7/130739705/sisejin.pdfIn PDF document text
  • https://nelovemisero.weebly.com/uploads/1/3/4/3/134347795/1141955.pdfIn PDF document text
  • https://tivakoxidedopa.weebly.com/uploads/1/3/0/7/130776298/4601264.pdfIn PDF document text
  • https://fisotewefupug.weebly.com/uploads/1/3/1/0/131071176/2543363.pdfIn PDF document text
  • https://seririgikum.weebly.com/uploads/1/3/0/7/130739922/908933d8856.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4412758/normal_5f99f7c9942c8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376127/normal_5f8b2362821fa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374369/normal_5f8c1bc4ac38c.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000065a9.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000065a9.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off00009bb6.bin)
  • https://s3.amazonaws.com/nitatotol/20315776263.pdfIn PDF document text
  • https://s3.amazonaws.com/tibanepoxilibud/90345309462.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dc64c857-500f-4ecd-823a-32ea8d64d9d6/52317969972.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/prism_spectrometer_experiment.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b8d5cfe1-5c44-43d9-9010-a838c644b644/happily_ever_after_mtg.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_off000065a9.bin)

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