Malicious PDF — malware analysis report

Heuristics 5

• 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.
• External URI info PDF_URI
  PDF contains an external URL action
• 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://trafffi.ru/123?keyword=thane+of+cawdor+executed PDF link annotation

  • https://rajaxamakato.weebly.com/uploads/1/3/2/3/132302926/fozanozadafor_pobuvudimozexur_vopivewevugiv.pdfIn PDF document text
  • https://waniremupamed.weebly.com/uploads/1/3/1/4/131407535/xerenanazegix.pdfIn PDF document text
  • https://bizumoku.weebly.com/uploads/1/3/2/6/132681494/9317098.pdfIn PDF document text
  • https://zitidatuviwe.weebly.com/uploads/1/3/4/4/134493200/talazuxapewewox.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370989/normal_5f8f42476aea9.pdfIn PDF document text
  • https://vikumeniwexawud.weebly.com/uploads/1/3/0/9/130969440/9898504.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/d6624ffb-d27a-45ce-8dc5-b2f75dc22302/abacus_junior_30_user_manual.pdfIn PDF document text
  • https://zefegize.files.wordpress.com/2020/11/31652374677.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/415140c4-beb0-4c7e-b567-99d2ddf5382d/sudig.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/024005ee-f4e3-4780-a150-99332fedd587/house_of_lloyds_goa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7f616c4d-8f9d-4ddb-856b-b02c1c0fc436/59732388242.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a3bff298-6026-41f0-ab5c-7ff5dd5129f6/tetris_unblocked_mj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/36e28d6e-65f9-49f5-9894-17e82990db84/53049938017.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/339947b0-1783-463a-bdee-ed420acddafa/76105329224.pdfIn PDF document text
  • https://xeruluzolu.files.wordpress.com/2020/11/70004843017.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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