Malicious PDF — malware analysis report

Heuristics 4

• 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 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=black+wolf+harley+davidson+bristol In PDF document text

  • https://site-1039478.mozfiles.com/files/1039478/82404533841.pdfIn PDF document text
  • https://site-1040001.mozfiles.com/files/1040001/19357867342.pdfIn PDF document text
  • https://site-1037238.mozfiles.com/files/1037238/34332038651.pdfIn PDF document text
  • https://site-1036767.mozfiles.com/files/1036767/7823909091.pdfIn PDF document text
  • http://viwogu.professorcrain.org/uploads/1/3/2/6/132682859/xatazum.pdfIn PDF document text
  • http://files.sebagocovemoorings.com/uploads/1/3/1/1/131163533/b0a834d3c.pdfIn PDF document text
  • http://files.bhpslibrary.com/uploads/1/3/2/7/132710787/432de8.pdfIn PDF document text
  • http://files.rhssoftball.us/uploads/1/3/1/4/131452913/8657a867207.pdfIn PDF document text
  • https://site-1039877.mozfiles.com/files/1039877/xogiraraniwudifosafikof.pdfIn PDF document text
  • https://site-1042355.mozfiles.com/files/1042355/87374887756.pdfIn PDF document text
  • https://site-1048162.mozfiles.com/files/1048162/kajalagewiwasixomu.pdfIn PDF document text
  • https://site-1040171.mozfiles.com/files/1040171/vegiloz.pdfIn PDF document text
  • https://site-1036655.mozfiles.com/files/1036655/gupubize.pdfIn PDF document text
  • https://site-1036665.mozfiles.com/files/1036665/99326652782.pdfIn PDF document text
  • https://site-1038363.mozfiles.com/files/1038363/vevepogoxesuguseguta.pdfIn PDF document text
  • https://site-1043880.mozfiles.com/files/1043880/98614246521.pdfIn PDF document text
  • https://site-1039147.mozfiles.com/files/1039147/11305432089.pdfIn PDF document text
  • https://site-1036851.mozfiles.com/files/1036851/50898897590.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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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