Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Remote-support tool lure high SE_REMOTE_SUPPORT_LURE
  Document instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
• 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=airserver+activation+crack+serial In PDF document text

  • https://site-1036697.mozfiles.com/files/1036697/25642223843.pdfIn PDF document text
  • https://site-1036907.mozfiles.com/files/1036907/muwakalefobesatoli.pdfIn PDF document text
  • https://site-1037102.mozfiles.com/files/1037102/doveraxidas.pdfIn PDF document text
  • http://files.petals-of-peace.net/uploads/1/3/1/4/131438056/d0082fcb6f747.pdfIn PDF document text
  • http://files.maplehillbluegrass.com/uploads/1/3/1/6/131607712/9c8f969c6b126ae.pdfIn PDF document text
  • http://xijapugiv.oloofaka.com/uploads/1/3/1/4/131437423/f5f40f2c3.pdfIn PDF document text
  • http://files.barry3d.com/uploads/1/3/0/8/130874025/doredejelebatenofaka.pdfIn PDF document text
  • http://gasar.eastoncapital.com/uploads/1/3/1/3/131380600/9003071.pdfIn PDF document text
  • http://files.artofmichaelnguillen.com/uploads/1/3/0/9/130969811/42f9f.pdfIn PDF document text
  • http://xigite.binnersproject.org/uploads/1/3/1/4/131437683/2651934.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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