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://ggtraff.ru/strik?keyword=gun+mayhem+1 In PDF document text

  • https://site-1037098.mozfiles.com/files/1037098/xepij.pdfIn PDF document text
  • https://site-1037276.mozfiles.com/files/1037276/basuwam.pdfIn PDF document text
  • https://site-1036924.mozfiles.com/files/1036924/tutakum.pdfIn PDF document text
  • https://site-1039375.mozfiles.com/files/1039375/sekamex.pdfIn PDF document text
  • http://files.tutorologistics.com/uploads/1/3/1/3/131379443/janimivob-tagodifunisimov-wanagolew.pdfIn PDF document text
  • http://files.courtenaylbc.com/uploads/1/3/0/7/130775942/77a73.pdfIn PDF document text
  • http://files.daniellewestdyk.com/uploads/1/3/1/4/131437236/ab07e48c.pdfIn PDF document text
  • http://nefujo.fashionspeaks.net/uploads/1/3/1/8/131856166/81317657fadde28.pdfIn PDF document text
  • http://files.southdownaustralia.com.au/uploads/1/3/0/9/130969744/detorikuvodezop.pdfIn PDF document text
  • http://files.sandrakishiglenn.com/uploads/1/3/1/3/131398374/6689456.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/5c62f989-3a86-40fa-a4b4-cfdda5733306/xozasopawekonuvugibetib.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b35cef4c-8de3-4212-9fed-7007104b6394/94006379217.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8fa58923-baf8-4aa1-8ed0-f23518b874fa/15189328675.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b392f5a8-c90d-467c-9a81-f3d8bbcb79de/88637776671.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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