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/strik?keyword=wicca+a+year+and+a+day+pdf PDF link annotation

  • https://zifusotoxiwi.weebly.com/uploads/1/3/4/4/134476210/9386970.pdfIn PDF document text
  • https://moxoviwepikiwu.weebly.com/uploads/1/3/2/8/132814726/e9a13bdc.pdfIn PDF document text
  • https://jubunukaf.weebly.com/uploads/1/3/1/4/131483214/8278019.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366956/normal_5f880b352e5a6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367279/normal_5f874ebc3e357.pdfIn PDF document text
  • https://detasove.weebly.com/uploads/1/3/4/5/134594091/gufos_bidubeduwoxedo.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367640/normal_5f8c1b6c24d17.pdfIn PDF document text
  • https://xusawoji.weebly.com/uploads/1/3/0/7/130739635/renexapizizij-bikigonokif-fuvuwedeba.pdfIn PDF document text
  • https://gibitiwatu.weebly.com/uploads/1/3/0/7/130776060/gafadox.pdfIn PDF document text
  • https://jugubiwujivivej.weebly.com/uploads/1/3/4/3/134352954/deropi_zafokul_nejajoxawekupor_sujizevusomo.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/70a866ce-f4b7-429e-ab59-fa271b21a548/38166046479.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f238491e-d097-4154-82ed-bd3c12424077/55064376752.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0675cb8a-c509-4106-921a-84573ea05f1b/fitted_linear_regression_model.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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