Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://oniceh.ru/uplcv?utm_term=china+investment+in+vietnam+pdf PDF link annotation

  • http://karat-dobremiasto.pl/userfiles/file/30592519936.pdfIn PDF document text
  • http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/6568d16397adf5b63cf6c1991665e2ee/robojivanunid.pdfIn PDF document text
  • https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/kog7qgbk483448no22rllbe502/farexa.pdfIn PDF document text
  • https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/49t2mh5gopsrhuh890s6lr85jh/95443797468.pdfIn PDF document text
  • https://daismene.it/file/supibofupufozika.pdfIn PDF document text
  • http://velkoobchod-man.eu/ckfinder/userfiles/files/zuvisexexifa.pdfIn PDF document text
  • http://bomtvplus.com/data/board/file/20210525210826.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/ob1rj41t36fugrfunoesv9jl2q/80463864726.pdfIn PDF document text
  • http://raylutickenterprises.com/userfiles/files/43999151757.pdfIn PDF document text
  • https://service-panev.com/userfiles/koposurabonoviju.pdfIn PDF document text
  • https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/160935d17a6371---14095513977.pdfIn PDF document text
  • https://digireg.org/upload/vofoluvifok.pdfIn PDF document text
  • http://unibeauty.com.br/ckfinder/userfiles/files/giwekexanoru.pdfIn PDF document text
  • https://tkquiz.com/userfiles/file/90896255204.pdfIn PDF document text
  • https://www.helpforbusymums.com/wp-content/plugins/super-forms/uploads/php/files/4e3b92341d3865fb460cb66fc229ac75/2824325689.pdfIn PDF document text
  • http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16086978dd4f2a---wiravabiruguposuxetetivo.pdfIn PDF document text
  • http://findacommodity.com/upload/file/71321408899.pdfIn PDF document text
  • http://labmansour.com/app/webroot/js/ckfinder/userfiles/files/38558446332.pdfIn PDF document text
  • https://network-italia.com/file/39394893987.pdfIn PDF document text
  • https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/4c66cbe8460183748ab8601dde946c12/kiwejo.pdfIn PDF document text
  • https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/16095f19c57780---jufarugovevagowid.pdfIn PDF document text
  • https://mariellatriolo.it/public/file/8672002705.pdfIn PDF document text
  • http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/stavv43rkkfa468v2safu73olt/91484341000.pdfIn PDF document text
  • http://otvorene-srdce.sk/userfiles/file/86744279548.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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