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://cctraff.ru/strik?keyword=un+figment+de+mon+imagination+en In PDF document text

  • https://site-1036929.mozfiles.com/files/1036929/81635185082.pdfIn PDF document text
  • https://site-1037152.mozfiles.com/files/1037152/94223572152.pdfIn PDF document text
  • https://site-1041091.mozfiles.com/files/1041091/tabaxunozivi.pdfIn PDF document text
  • https://site-1036917.mozfiles.com/files/1036917/jukigegevasumaxipozamep.pdfIn PDF document text
  • https://site-1037868.mozfiles.com/files/1037868/43032472719.pdfIn PDF document text
  • http://wupije.chaletdancers.com/uploads/1/3/1/4/131452836/6125990.pdfIn PDF document text
  • http://bojabim.campbornthisway.org/uploads/1/3/1/8/131856907/d9e6f01e2cf7b8.pdfIn PDF document text
  • http://files.psms95x.org/uploads/1/3/1/8/131856491/9b02146784.pdfIn PDF document text
  • http://files.twisted4kstudios.com/uploads/1/3/1/3/131383318/bde91bc8.pdfIn PDF document text
  • http://files.pinephysicaltherapy.com/uploads/1/3/2/6/132696018/7e6e4a8f58f4.pdfIn PDF document text
  • http://woloki.garrettsgunsandammo.com/uploads/1/3/1/8/131857631/3e745a8c.pdfIn PDF document text
  • http://files.afsardmdlab.com/uploads/1/3/1/3/131383543/2624701.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/1/0484/7036/0225/files/guppy_breeds_chart.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/9529/4101/files/baby_month_blanket.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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