Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• 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.
• External URI info PDF_URI
  PDF contains an external URL action
• 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://crysiq.ru/uplcv?utm_term=living+and+nonliving+things+for+grade+1+pdf PDF link annotation

  • https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/40beb9l42t373pnkgru9cvgqmm/vexegoturega.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/243cc3580db586a9566acd6b6daa99c9/18589393669.pdfIn PDF document text
  • https://www.spitalmoldovanoua.ro/ckfinder/userfiles/files/zujuxuvanobak.pdfIn PDF document text
  • https://cristalparkhotel.com/ckfinder/userfiles/files/38181277386.pdfIn PDF document text
  • http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160eda552aaad0---20087093897.pdfIn PDF document text
  • https://nikosdimos.gr/userfiles/file/19532058131.pdfIn PDF document text
  • http://nowyhotelik.pl/userfiles/file/61078801555.pdfIn PDF document text
  • http://kvarkeno56.ru/userfiles/file/vuzeserupapatuko.pdfIn PDF document text
  • http://sun-dr.com/uploads/files/202108250201474485.pdfIn PDF document text
  • https://bawwabatrizq.com/userfiles/file/sexutugetetotunumifuwi.pdfIn PDF document text
  • http://tfforming.ru/d/files/48655769596.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad244d68679.pdfIn PDF document text
  • http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/h52akp4pm7drj57l5uq2aklci4/palazifibo.pdfIn PDF document text
  • http://nexxstep.nl/userfiles/file/romolijugaxorofasufev.pdfIn PDF document text
  • https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160cabfd658ce8---vojexomovajutup.pdfIn PDF document text
  • http://esangsok.com/upfile/files/belexeraropejamotubomazi.pdfIn PDF document text
  • https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081e03c5228f---95875311298.pdfIn PDF document text
  • http://snft.ro/media/file/guwuwaxosiwusitigag.pdfIn PDF document text
  • https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a861c75f7aa---puvidu.pdfIn PDF document text
  • http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4beab7a426---44702504902.pdfIn PDF document text
  • http://auxerretv.com/content/public/file/33159199817.pdfIn PDF document text
  • http://icmasistemas.com/userfiles/files/gumutixotoronud.pdfIn PDF document text
  • http://thegreenlegacykeepers.com/clients/e/e8/e8dc17949b7ef813e9937e453902477f/File/71883153749.pdfIn PDF document text
  • https://ka-base.no/images_content/file/61940153349.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://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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