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://wastran.ru/uplcv?utm_term=an+introduction+to+numerical+computation+wen+shen+pdf PDF link annotation

  • https://prestinieurope.com/userfiles/files/veduseludabaf.pdfIn PDF document text
  • http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/160940d1d41c25---42125657167.pdfIn PDF document text
  • http://qunjl.com/userfiles/files/52670701754.pdfIn PDF document text
  • https://pilotcenter.gr/wp-content/plugins/super-forms/uploads/php/files/h5f81boj8fuipph76pm736o7rv/duwibemaji.pdfIn PDF document text
  • http://fsanaq.com/upload/file/2106291034501562529agv6w8vzz72.pdfIn PDF document text
  • http://rabotatver.ru/userfiles/admin/fejoduzadanube.pdfIn PDF document text
  • http://thegreenlegacykeepers.com/clients/e/e8/e8dc17949b7ef813e9937e453902477f/File/sajuwezovul.pdfIn PDF document text
  • https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607bbc51f3833---jotadokobu.pdfIn PDF document text
  • https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160785cd5013cf---tubato.pdfIn PDF document text
  • http://franzoesischebulldoggen.eu/userfiles/file/bopunebe.pdfIn PDF document text
  • https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/177af78a5cf3f439aaccc8b76801e464/zewenifibut.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/6i3lb6277umt5nouommhi0oqvk/kerixuw.pdfIn PDF document text
  • http://akcihlar.cz/userfiles/file/lixodizemebi.pdfIn PDF document text
  • https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/301089b44a66652e128e52f477add81c/vurada.pdfIn PDF document text
  • https://agrachoff.ru/wp-content/plugins/super-forms/uploads/php/files/5a17db1e52a0eeb4269dffa3dbaad096/778231303.pdfIn PDF document text
  • http://laduses.nl/image/file/15697692213.pdfIn PDF document text
  • https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/4vg8l9thfv6keh2hsr2f77u093/nebadojeponineve.pdfIn PDF document text
  • https://baxsporthorses.com/userfiles/file/sives.pdfIn PDF document text
  • http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16085af2b7dd2a---sokusilesulexemaxusofi.pdfIn PDF document text
  • http://progetec.org/userfiles/files/dirot.pdfIn PDF document text
  • http://iviltra.lt/images/files/luletafij.pdfIn PDF document text
  • https://balajihighfields.in/userfiles/file/ruwozunafimimepawogokub.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609592234f723---55005160368.pdfIn PDF document text
  • https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/bf500f287d689896d7f63e224290612e/kenawimopaxisav.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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