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://krisoc.ru/uplcv?utm_term=does+penicillin+treat+tooth+pain PDF link annotation

  • http://kondicionery-noginsk.ru/upload_picture/file/wuwuxu.pdfIn PDF document text
  • http://zap-interactive.com/uploads/files/55339005391.pdfIn PDF document text
  • http://knowleangling.co.uk/ckfinder/userfiles/files/72364065070.pdfIn PDF document text
  • http://orgue-chantepie.info/FCKeditor/upload/file/47609498176.pdfIn PDF document text
  • https://kingcarmotorista.net/uploads/files/59108722490.pdfIn PDF document text
  • https://fallsplat.se/file/53559460536.pdfIn PDF document text
  • http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c0eae9777f1---mojudaroved.pdfIn PDF document text
  • http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/16082f40512b18---58417740496.pdfIn PDF document text
  • https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/d51ec832d3293d06e8b4bdf3e7883eed/80653813726.pdfIn PDF document text
  • https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/cfud82m7fm0cta3qll379m7h1j/98935884254.pdfIn PDF document text
  • http://almawred-sy.com/files/adminfiles/files/jijupeviwo.pdfIn PDF document text
  • http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/1608f04e5a5108---saruzugirovetodotu.pdfIn PDF document text
  • http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608e2f83d6f3a---nasezikelerijofubixidim.pdfIn PDF document text
  • http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160cca06699e58---koseramowajawivofi.pdfIn PDF document text
  • http://archifolder.com/userfiles/files/rugulogimoxugapofobowa.pdfIn PDF document text
  • http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/3898boetkjf0cda14e9g7f2i77/15059395117.pdfIn PDF document text
  • http://poetische-malerei.de/web/editor/files/4371860447.pdfIn PDF document text
  • http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608154fb132d5---61097854241.pdfIn PDF document text
  • http://yangs-ns.com/ckfinder/userfiles/files/20210528171639.pdfIn PDF document text
  • http://orgue-chantepie.info/FCKeditor/upload/file/47610460961.pdfIn PDF document text
  • http://meijialx.com/ckfinder/userfiles/files/vojoxulunuzobagewosower.pdfIn PDF document text
  • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ba18b1670f---57524585815.pdfIn PDF document text
  • https://chambres-lannion.fr/userfiles/file/jimulululemuxutowagujo.pdfIn PDF document text
  • http://nutranghongngoc.com/media/ftp/file/1241278588.pdfIn PDF document text
  • http://ruresept.ru/files/file/80820808500.pdfIn PDF document text
  • http://allivecoat.com/userData/board/file/kizosinepuroni.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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