Malicious PDF — malware analysis report

Heuristics 5

• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• 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://gettraff.ru/wb?keyword=villains%20trivia%20questions%20and%20answers In PDF document text

  • https://pavowojavujide.weebly.com/uploads/1/3/1/3/131398322/9677244.pdfIn PDF document text
  • https://funiwulew.weebly.com/uploads/1/3/2/8/132814073/4683556.pdfIn PDF document text
  • https://wojedebaroz.weebly.com/uploads/1/3/1/6/131637691/6155f5c567.pdfIn PDF document text
  • https://wubigunes.weebly.com/uploads/1/3/4/5/134507070/devupomeromujeg.pdfIn PDF document text
  • https://kivuligob.weebly.com/uploads/1/3/0/8/130874143/nefiwajobanus_xejazesi_zogiloj_zumugogupega.pdfIn PDF document text
  • https://murudogukezopo.weebly.com/uploads/1/3/4/3/134320821/8e918276624b61.pdfIn PDF document text
  • https://gimejexoxixaza.weebly.com/uploads/1/3/1/8/131872185/d96ddb407408.pdfIn PDF document text
  • https://sakifawabepufa.weebly.com/uploads/1/3/4/4/134466371/vobejonabal-guzabux-kugiroxaxane.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/9095/0338/files/worksheets_for_esl_students_beginners.pdfIn PDF document text
  • https://s3.amazonaws.com/zirojopemup/20851665449.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/6202/0246/files/az_state_fair_concerts_2015.pdfIn PDF document text
  • https://s3.amazonaws.com/xozeb/unity_change_project_folder_name.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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