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://ttraff.me/123?keyword=the+language+of+medicine+pdf+free+download In PDF document text

  • https://cdn-cms.f-static.net/uploads/4407777/normal_5f959e99a8490.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413347/normal_5f952f552637e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368222/normal_5f8e3c5ef0e84.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370266/normal_5f95e545a269b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392873/normal_5f97cfe706d27.pdfIn PDF document text
  • https://dafalozurevibi.weebly.com/uploads/1/3/4/3/134308304/1664929.pdfIn PDF document text
  • https://bedakowunuva.weebly.com/uploads/1/3/4/3/134342711/7732265.pdfIn PDF document text
  • https://lodirunesu.weebly.com/uploads/1/3/0/8/130874391/pigizun.pdfIn PDF document text
  • https://xuvakaxatal.weebly.com/uploads/1/3/1/0/131070170/repetonodiz.pdfIn PDF document text
  • https://pepuzategazeg.weebly.com/uploads/1/3/1/4/131453576/difogekiwiwup.pdfIn PDF document text
  • https://mimoberojatef.weebly.com/uploads/1/3/4/3/134316463/3785898.pdfIn PDF document text
  • https://jufaxexave.weebly.com/uploads/1/3/0/7/130775513/8166145.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/3175/5932/files/fufifuwejofuvones.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/4456/8220/files/fabius_plus_xl.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/0013/0465/files/haunting_ground_ending_guide.pdfIn PDF document text
  • https://s3.amazonaws.com/zirojopemup/sap_basis_netweaver_administrator.pdfIn PDF document text
  • https://s3.amazonaws.com/badodemebo/aws_solutions_architect_associate_exam_questions.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/10706485883.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/barron_s_ielts_practice_exams_free.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ec147bf4-dbb8-48ca-bf5f-b965a19ca5b2/71880103348.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/546cc4ca-1aee-4bf0-93aa-2312c963718f/56749212915.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 PDF document text

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