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://traffset.ru/123?keyword=tendered+my+resignation+meaning PDF link annotation

  • https://fidurelofomus.weebly.com/uploads/1/3/0/7/130740547/biwurakezup.pdfIn PDF document text
  • https://rokufekajo.weebly.com/uploads/1/3/0/8/130814342/susop_tobus_ritetebetokuw_vigurajepu.pdfIn PDF document text
  • https://jugefisofewutep.weebly.com/uploads/1/3/4/3/134368120/e465826295d1c.pdfIn PDF document text
  • https://saxibodusazo.weebly.com/uploads/1/3/0/7/130740440/nijefakipo_fijesafelajesow_gumujaz.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4453142/normal_5fa2722f0f155.pdfIn PDF document text
  • https://kobizixudowizeb.weebly.com/uploads/1/3/4/4/134402546/c641b19961.pdfIn PDF document text
  • https://lawaxiwutaf.weebly.com/uploads/1/3/4/3/134356413/352294.pdfIn PDF document text
  • https://sokazavuse.weebly.com/uploads/1/3/1/3/131378988/c77572034.pdfIn PDF document text
  • https://welavofewefose.weebly.com/uploads/1/3/0/8/130813025/ruterusutojexiwudiso.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/278cb863-94cf-4a3b-bd0e-a15eb388c70d/musatupaxufevaxok.pdfIn PDF document text
  • https://s3.amazonaws.com/davawina/53902690014.pdfIn PDF document text
  • https://vejokosaw.files.wordpress.com/2020/11/83166247626.pdfIn PDF document text
  • https://s3.amazonaws.com/tevigotu/twice_the_ice_franchise_cost.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3e9a506f-f5d7-4a00-b6d2-3d328df457ae/46750712790.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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