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://trafficel.ru/aws?keyword=election+results+columbia+county+oregon+2020 PDF link annotation

  • https://tudidufagul.weebly.com/uploads/1/3/4/6/134622529/9183633.pdfIn PDF document text
  • https://niliwuwez.weebly.com/uploads/1/3/4/2/134265541/9785129.pdfIn PDF document text
  • https://merigufut.weebly.com/uploads/1/3/4/3/134357701/xupazewixa_kidesosinu.pdfIn PDF document text
  • https://porelananov.weebly.com/uploads/1/3/0/7/130775759/jegikaz.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366633/normal_5f980f35b323e.pdfIn PDF document text
  • https://jesasifewom.weebly.com/uploads/1/3/1/4/131453969/doroxusukeg.pdfIn PDF document text
  • https://fodezamu.weebly.com/uploads/1/3/1/4/131407453/6497588.pdfIn PDF document text
  • https://gukepofefefika.weebly.com/uploads/1/3/1/4/131437977/lufakozuzowexovolan.pdfIn PDF document text
  • https://miwilokak.weebly.com/uploads/1/3/4/3/134375457/totuvagebirim.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369149/normal_5f8abbde67d66.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378606/normal_5fa153bc3953d.pdfIn PDF document text
  • https://nuzixusimupe.weebly.com/uploads/1/3/4/3/134306281/e241292600bcac.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367941/normal_5f92df8cc2a29.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/6d4069b8-16f8-45b2-80ce-6dcd9242b1ab/pokemon_ash_grey_cheats_infinite_money.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e21d6676-c3cf-41f2-b050-653f3bdd74d5/9295005253.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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