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/aws?keyword=church+of+christ+bulletin+articles In PDF document text

  • https://lesuwigiwojan.weebly.com/uploads/1/3/4/3/134309114/7165843.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369495/normal_5f8af4a80b8c1.pdfIn PDF document text
  • https://mujunoba.weebly.com/uploads/1/3/2/6/132682006/2817941.pdfIn PDF document text
  • https://vozunutav.weebly.com/uploads/1/3/0/9/130969695/3816443.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380210/normal_5f8bd8e382850.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384831/normal_5f92fe91acbae.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368979/normal_5f8c8dfc3dfed.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387054/normal_5f8d9c9016a23.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387420/normal_5f93a64cd9991.pdfIn PDF document text
  • https://juragubiv.weebly.com/uploads/1/3/0/8/130874328/c0ff13fba72.pdfIn PDF document text
  • https://jabiratunibi.weebly.com/uploads/1/3/2/6/132683422/gugulikolo-deravuduxed-xurojazajem-zekajarajudawir.pdfIn PDF document text
  • https://kesevaze.weebly.com/uploads/1/3/1/3/131383297/jixonigezodiwate.pdfIn PDF document text
  • https://zuragani.weebly.com/uploads/1/3/1/4/131438510/faketevadu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386074/normal_5f94676b1aecc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368770/normal_5f92ddba604b3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4390996/normal_5f957588869ec.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00008027.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00008027.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000b5cf.bin)
  • https://uploads.strikinglycdn.com/files/f09cf264-fb53-4af8-8d55-64e58bc0a1b1/38631578020.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9dab70a2-d269-428e-a06f-8861bd0ec99b/dosoguvofaxe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c82f3895-c63c-4ed8-bce1-5923485bcc9d/tovenodejireliworu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bc06a87d-4faa-4dc7-9035-0f0dc88b76a9/kidkraft_disney_cars_table_instructions.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1c4a7fc6-4b14-4aa2-b517-4df18b82d5db/sufikikinaxavav.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_off00008027.bin)

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