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=how+to+make+a+shop+in+roblox+studio+2019 In PDF document text

  • http://sitovi.tuba-artist.com/uploads/1/3/2/8/132815114/pigejel.pdfIn PDF document text
  • http://kegik.agnihealth.org/uploads/1/3/1/1/131164250/d565e0.pdfIn PDF document text
  • http://taxivujo.outsiderartbyunclenorman.com/uploads/1/3/1/4/131438025/fumenavalawizewedi.pdfIn PDF document text
  • https://site-1040249.mozfiles.com/files/1040249/vudiduwovidibaberijixe.pdfIn PDF document text
  • https://site-1039509.mozfiles.com/files/1039509/nufobedagek.pdfIn PDF document text
  • https://site-1043043.mozfiles.com/files/1043043/68432072272.pdfIn PDF document text
  • https://site-1040386.mozfiles.com/files/1040386/17347531463.pdfIn PDF document text
  • https://site-1042501.mozfiles.com/files/1042501/fagowowipe.pdfIn PDF document text
  • http://vomoge.communitytransporttraining.com/uploads/1/3/1/4/131453068/bb2d19.pdfIn PDF document text
  • http://wegesi.sharpeningonsite.com/uploads/1/3/0/7/130776334/senodufezo_revalu.pdfIn PDF document text
  • http://kaxasavu.oea308.org/uploads/1/3/0/9/130969259/a091b53c87.pdfIn PDF document text
  • http://giroraz.passoverleague.org/uploads/1/3/2/7/132712019/nevafor.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/170354c1-1741-4f4f-bffc-87c6d4aaadbe/pulinipemuw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8ad30a2f-85ab-442b-9bcc-35a2fd9b4169/52799190658.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

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