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=achondroplasia+radiology+pdf In PDF document text

  • https://tegugozitofo.weebly.com/uploads/1/3/0/8/130874592/9445849.pdfIn PDF document text
  • https://lodirunesu.weebly.com/uploads/1/3/0/8/130874391/0491d8.pdfIn PDF document text
  • https://terobatef.weebly.com/uploads/1/3/4/3/134397950/7578918.pdfIn PDF document text
  • https://terarawuterojuz.weebly.com/uploads/1/3/0/7/130739827/1249403.pdfIn PDF document text
  • https://lijipipixeralof.weebly.com/uploads/1/3/3/9/133999964/bd51e764.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379856/normal_5f906eb15ccb7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368998/normal_5f881769d44a2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4417032/normal_5f965e05d409a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375708/normal_5f95f4a42846d.pdfIn PDF document text
  • https://nikuwexipamojag.weebly.com/uploads/1/3/0/8/130813731/1942f94a.pdfIn PDF document text
  • https://kubupukadumu.weebly.com/uploads/1/3/1/3/131382740/c2bbd4cc16b88.pdfIn PDF document text
  • https://kuzaloxamuw.weebly.com/uploads/1/3/1/4/131406684/9970068.pdfIn PDF document text
  • https://vilukenuxe.weebly.com/uploads/1/3/2/8/132814007/gusopoxuxokazew.pdfIn PDF document text
  • https://ximazula.weebly.com/uploads/1/3/0/7/130738777/c532a689a06.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006b16.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006b16.bin)
  • https://cdn.shopify.com/s/files/1/0440/7987/4213/files/jurnal_pendidikan_matematika_kuantitatif.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/0279/6442/files/73885530900.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/2632/0040/files/95570014387.pdfIn PDF document text
  • https://s3.amazonaws.com/vixuwogetiv/await_your_reply.pdfIn PDF document text
  • https://s3.amazonaws.com/gidibesuxi/brand_identity_guidelines.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/apocrifos_del_antiguo_testamento_tomo_vi.pdfIn PDF document text
  • https://medlineplus.gov/dwarfism.htmlIn 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_off00006b16.bin)

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