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
• 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.
• 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://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc550b7289---81600486986.pdf In PDF document text

  • https://viboot.com/ckfinder/userfiles/files/91533132451.pdfIn PDF document text
  • https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1608129d6c0ca6---68802917270.pdfIn PDF document text
  • http://htygroup.com/upload/files/71205166574.pdfIn PDF document text
  • https://pharmnet.cz/ckfiles/files/files/jirajesamuresagosifopunot.pdfIn PDF document text
  • http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/1611300e28ac50---32393376803.pdfIn PDF document text
  • https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078adc44b903---67878877820.pdfIn PDF document text
  • http://stickerbarcode.com/file_media/file_image/file/pudalimawudamu.pdfIn PDF document text
  • https://hutechsolar.com/upload/user_upload/files/65413111114.pdfIn PDF document text
  • http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ecf7a44ddb5---norokabov.pdfIn PDF document text
  • http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1611466d521870---71445127717.pdfIn PDF document text
  • http://kleiberit.ru/files/file/90978993775.pdfIn PDF document text
  • https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/46c90503a6c2da2b9507666bc09e86bc/56879544646.pdfIn PDF document text
  • https://goez3.com/10005001208290177/ckfinder/userfiles/files/vixekodex.pdfIn PDF document text
  • http://dlmberatung.ch/userfiles/files/37511461476.pdfIn PDF document text
  • http://www.lukoilmarine.com/ckfinder/userfiles/files/zofumitiduzetano.pdfIn PDF document text
  • https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/fa1d0a61deac2951107e066680148555/sibetiwed.pdfIn PDF document text
  • https://andrejc.si/files/file/13735018485.pdfIn PDF document text
  • http://floramarble.com/uploads/25752157631.pdfIn PDF document text
  • https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/ebd5bc38787791d12ed086f6b5c614e9/vaduzeviwepumewe.pdfIn PDF document text
  • https://artasedanasingaraja.com/uploadfck/file/tepufow.pdfIn PDF document text
  • http://reklamavysocina.cz/UserFiles/File/mizojizasixarebedatafo.pdfIn PDF document text
  • https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/5447064a25b4e3d64a5ac5f1edb0cd2a/80928328834.pdfIn PDF document text
  • https://reflexlighting.com/wp-content/plugins/super-forms/uploads/php/files/4e339e26613483ff028a8e1cf281fcf3/70620117901.pdfIn PDF document text
  • https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/e26bb9b504d0f7f609d5922ef66db9a6/31737913743.pdfIn PDF document text
  • http://metisentry.net/ckfinder/userfiles/files/40625901430.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=cardinal+mexican+train+domino+game+with+aluminum+casePDF link annotation
  • 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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