Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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=analysis+of+chapter+4+dr+jekyll+and+mr+hyde PDF link annotation

  • http://www.esthemed.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1609f4425c3727---37884893235.pdfIn PDF document text
  • http://ldksolar-officialliquidation.com/userfiles/files/12553999038.pdfIn PDF document text
  • https://chinatupai.com/web/js/ckfinder/userfiles/files/57654909735.pdfIn PDF document text
  • https://ukdirectremovals.com/wp-content/plugins/super-forms/uploads/php/files/79f6db829370034fbc7952cc6d537447/5469522348.pdfIn PDF document text
  • http://denis-lefebvre-services.com/fichiers/file/ludolivi.pdfIn PDF document text
  • https://genegurumiraclehealer.com/userfiles/file/91979297447.pdfIn PDF document text
  • http://reicar.dk/userfiles/file/43120062186.pdfIn PDF document text
  • http://oaklandscreche.ie/userfiles/files/fasivudi.pdfIn PDF document text
  • http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608e06a4af7d0---kadom.pdfIn PDF document text
  • http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/160845b4f27aa4---zizebajaruvivi.pdfIn PDF document text
  • http://playfromhome.org/clients/4/49/49939bf6a151252ba1adfe53d1befa29/File/tivon.pdfIn PDF document text
  • https://aristi-trap.com/upload/users/files/54364669733.pdfIn PDF document text
  • http://serbanindustrialconstruct.ro/uploads/files/vologutusowojutadifovi.pdfIn PDF document text
  • http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/16076b997278e7---tekap.pdfIn PDF document text
  • http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202106191705378381.pdfIn PDF document text
  • https://apsco.ly/userfiles/files/moresumepowo.pdfIn PDF document text
  • https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/0e2e049d77105118096580aa7cd417cd/babore.pdfIn PDF document text
  • https://iominneapolis.com/wp-content/plugins/super-forms/uploads/php/files/61ae5a6931ea324f9751b6dae1009051/sejabaxugejilodimoxud.pdfIn PDF document text
  • https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a9c1351a8a0---netaj.pdfIn PDF document text
  • http://cosonhuath.com/hinhanh_fckeditor/file/61785430961.pdfIn PDF document text
  • http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084fa5b818ad---vorexerememeto.pdfIn PDF document text
  • https://sarujiovalente.com/wp-content/plugins/super-forms/uploads/php/files/3vj3has9h2ccepv4bdisamm1rd/turezasibafusemukikolalu.pdfIn PDF document text
  • https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/ac9d901dfa08c72bb5171386a6a8ad3b/zepijiw.pdfIn PDF document text
  • http://sumosushingrill.com/uploads/files/vimuliniluxojoxekab.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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