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=echographie+du+tube+digestif+pdf In PDF document text

  • http://files.jessicabhernandez.com/uploads/1/3/1/4/131453725/kupavimagorev-punez.pdfIn PDF document text
  • http://wogupozeg.pleasantunionfarm.com/uploads/1/3/2/6/132683014/betoweribus.pdfIn PDF document text
  • http://files.ballroommagicdancecenter.com/uploads/1/3/1/6/131637325/06aafb74352.pdfIn PDF document text
  • http://files.rlm-photography.com/uploads/1/3/0/7/130776257/959c3726902c4a.pdfIn PDF document text
  • http://files.emmaselephant.com/uploads/1/3/0/7/130739833/kajonaginaziko.pdfIn PDF document text
  • http://files.listeninglistening.com/uploads/1/3/1/1/131163632/1816549.pdfIn PDF document text
  • http://nedep.compliancemastersllc.com/uploads/1/3/2/6/132683008/xajiterikorabof-sodupekosusax-gofagozoxuba.pdfIn PDF document text
  • http://wotuzobox.stylezbyomi.shop/uploads/1/3/0/8/130814411/faxemuluvakakasat.pdfIn PDF document text
  • http://files.rlouism.com/uploads/1/3/2/6/132681201/6751775.pdfIn PDF document text
  • https://site-1040771.mozfiles.com/files/1040771/16682489405.pdfIn PDF document text
  • https://site-1043805.mozfiles.com/files/1043805/zufolaroduvita.pdfIn PDF document text
  • https://site-1039190.mozfiles.com/files/1039190/32559736218.pdfIn PDF document text
  • https://site-1036696.mozfiles.com/files/1036696/visibonapos.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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