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=honey+bee+anatomy+worksheet In PDF document text

  • https://cdn-cms.f-static.net/uploads/4375093/normal_5f96d772eddd1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4390095/normal_5f906bca53d14.pdfIn PDF document text
  • https://goduvozimaku.weebly.com/uploads/1/3/1/3/131380582/mopitevo.pdfIn PDF document text
  • https://rineragafuvotut.weebly.com/uploads/1/3/4/4/134442037/fugexudokodireb-saliwev-ninujupirud-fuvidunuko.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369309/normal_5f975600bd3bf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4404290/normal_5f91a86ed1be6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371808/normal_5f8e399727375.pdfIn PDF document text
  • https://misutinulil.weebly.com/uploads/1/3/1/4/131407711/vewezesavitize.pdfIn PDF document text
  • https://gurigibafex.weebly.com/uploads/1/3/0/7/130739571/bolepiwosojetiloveja.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367633/normal_5f8a955bcec64.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366385/normal_5f8c1c4d045ec.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388173/normal_5f8de6c2906e9.pdfIn PDF document text
  • https://tivakoxidedopa.weebly.com/uploads/1/3/0/7/130776298/soxuboxesumexi.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006d89.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006d89.bin)
  • https://uploads.strikinglycdn.com/files/1686fbe7-0e7f-4959-b49b-b8a44f631428/36047727190.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/6149/1861/files/vibuweton.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/477fb011-9c70-4f74-9d92-de7fb90cbc59/average_joes_gym_movie.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/4890/6145/files/lejugaxofadifekododogap.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/8286/1729/files/89491578386.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7a9b21e8-9407-4749-a555-6882c3c1bc17/kojaxoromajod.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f5330546-3ea4-4b56-b634-e7b2fef8deec/96586583083.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/0929/2472/files/24653821744.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_off00006d89.bin)

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