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://trafftec.ru/aws?keyword=mens+ribbon+shirts PDF link annotation

  • https://jofenunamupil.weebly.com/uploads/1/3/4/3/134343358/wuzizixaj.pdfIn PDF document text
  • https://gededojoseg.weebly.com/uploads/1/3/4/3/134341448/durif.pdfIn PDF document text
  • https://mabanopovofed.weebly.com/uploads/1/3/1/4/131453130/678777.pdfIn PDF document text
  • https://fudukonuxevefez.weebly.com/uploads/1/3/4/6/134606022/zomanonapasig.pdfIn PDF document text
  • https://kasukironumasex.weebly.com/uploads/1/3/1/4/131454791/vapodos.pdfIn PDF document text
  • https://tizupokewa.weebly.com/uploads/1/3/4/0/134013062/f98f03f2d5fb.pdfIn PDF document text
  • https://dofazodasi.weebly.com/uploads/1/3/0/8/130873943/2a12bb81c.pdfIn PDF document text
  • https://tozarezev.weebly.com/uploads/1/3/4/3/134374844/8b4a78827.pdfIn PDF document text
  • https://dumunevebule.weebly.com/uploads/1/3/0/8/130874169/dumikozigaj-nuwakawu-vadukaf-wogudodu.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/d9043425-0257-4861-888e-d7166222121c/volume_batching_of_concrete.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/34a58edb-af52-43e6-ba82-6a5736dadb43/48500861626.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a5823db0-c917-4b38-b7da-e4c24e35c63e/kolomufuxagiwepitepix.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/afaa976d-ac54-43b7-ad89-aadeb3be7d92/3312703200.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b7bd5c31-a595-493a-8c68-789054899c85/condiloma_acuminado_bucal.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/42f5f2ea-a7cc-4d60-b70b-d14b4a82ef5b/27347318395.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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