Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://queure.ru/uplcv?utm_term=formal+reply+letter+format PDF link annotation

  • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076331eb6038---32872088441.pdfIn PDF document text
  • https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1510d13cf6---64667920559.pdfIn PDF document text
  • https://vicotelecom.vn/static/source/images/file/rovokafeketad.pdfIn PDF document text
  • https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608e7eea0e7bf---90910732673.pdfIn PDF document text
  • http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/4e9f8722f1d19f1c1f45d3617e9fb429/32804377909.pdfIn PDF document text
  • http://jcon-aps.dk/userfiles/file/21792642610.pdfIn PDF document text
  • https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/211cfcc958d30ebb217c6a3d7033b881/watinubaze.pdfIn PDF document text
  • https://www.gasserbush.com/wp-content/plugins/super-forms/uploads/php/files/3ec42b91d9bb27da147cbcf4eb9c646b/ranilowebi.pdfIn PDF document text
  • http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098e4800996f---ridipavipasobafitafutid.pdfIn PDF document text
  • http://mai-colle.jp/userfiles/file/gopome.pdfIn PDF document text
  • https://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/0rgmhk1ledu9fkj8en7mf31s2b/61825453778.pdfIn PDF document text
  • https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/c36215dc3d9fc3f8dd91b900c02e3aa4/pizoxadekanilusegekonop.pdfIn PDF document text
  • http://hi-reid-solutions.com/wp-content/plugins/super-forms/uploads/php/files/b7481fc1f036cd694424776502102966/12578881930.pdfIn PDF document text
  • http://dienlanhlongan.com/upload/files/zurovofininajabavoj.pdfIn PDF document text
  • http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607b276d90480---mewaxaxorokabudajon.pdfIn PDF document text
  • http://krossinkeuka.org/clients/c/c6/c64aa726effa6776341672ea469011e7/File/60351998358.pdfIn PDF document text
  • http://carszana.com/image/upload/File/teranoluwegawumer.pdfIn PDF document text
  • https://dietacud.eu/upload/file/sewanuzumuram.pdfIn PDF document text
  • http://lncxjzxxw.com/upload_fck/file/2021-6-21/20210621072658806274.pdfIn PDF document text
  • http://bugaboo-buffalo.eu/UserFiles/File/jodaken.pdfIn PDF document text
  • https://xo-sound.ru/userfiles/file/79677452772.pdfIn PDF document text
  • http://briarcliff68.com/clients/71184/File/75233769719.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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