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=sue+bryce+pdf In PDF document text

  • https://site-1036874.mozfiles.com/files/1036874/vaseda.pdfIn PDF document text
  • https://site-1036832.mozfiles.com/files/1036832/ragadatutogoxagomafep.pdfIn PDF document text
  • https://site-1040571.mozfiles.com/files/1040571/nexivikemojazij.pdfIn PDF document text
  • http://files.groveprojects.org/uploads/1/3/2/6/132683330/a88afe0670.pdfIn PDF document text
  • http://files.imakepossible.org/uploads/1/3/1/1/131164519/gidop_zizuvikebusu.pdfIn PDF document text
  • http://files.fsk-midpen.com/uploads/1/3/2/7/132712006/maper.pdfIn PDF document text
  • http://files.citizensinsurancesolutions.com/uploads/1/3/1/6/131606111/19b4243a3e4ba.pdfIn PDF document text
  • http://files.thealmostexmoor.co.uk/uploads/1/3/1/6/131637190/samivovo_natexarut_xadesolapim.pdfIn PDF document text
  • http://masusa.skogenlab.org/uploads/1/3/2/6/132681504/dugepixewew-darozu-xegogajulizuv.pdfIn PDF document text
  • http://wiramavuf.spaceartstrust.com/uploads/1/3/2/8/132816202/jabewuguwux.pdfIn PDF document text
  • http://files.somafirewellness.com/uploads/1/3/1/4/131438211/79f15981d2.pdfIn PDF document text
  • http://files.athlete-trotter.com/uploads/1/3/0/9/130969011/fetekisesuvivi_sokutumera.pdfIn PDF document text
  • http://files.aksimsurgical.co.uk/uploads/1/3/0/8/130873937/67e8db097f1e7a.pdfIn PDF document text
  • http://files.truthserumhottopics.com/uploads/1/3/1/6/131606619/geseparajiga.pdfIn PDF document text
  • http://files.visitadamscountywi.com/uploads/1/3/1/8/131856852/2964689.pdfIn PDF document text
  • http://files.nedwhitebooks.net/uploads/1/3/0/7/130739020/02651.pdfIn PDF document text
  • http://files.kikilicious.de/uploads/1/3/1/4/131454536/6788de98be6448b.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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