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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://laborke.ru/uplcv?utm_term=hp+laserjet+pro+400+mfp+m425dw+driver+download+windows+7 PDF link annotation

  • http://logo4you.dk/userfiles/file/dibupivomitano.pdfIn PDF document text
  • http://dreiseengrundschule.de/files/zozipemiletapo.pdfIn PDF document text
  • https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/vkvpf3etkqkorrd1ttgbu4m5n0/65004049438.pdfIn PDF document text
  • https://greenvalleykerala.com/ckfinder/userfiles/files/24388943128.pdfIn PDF document text
  • http://www.chicagoalphas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609475dbec102---8932949562.pdfIn PDF document text
  • https://gencerenerji.com/resimler/files/72531466233.pdfIn PDF document text
  • http://phs1961.com/clients/2/29/29da8dc1278d8f1c58a3d16208bcb4e7/File/62751104341.pdfIn PDF document text
  • https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607f78bd94cb5---48400718410.pdfIn PDF document text
  • https://www.corridar.com/wp-content/plugins/super-forms/uploads/php/files/6irvja2rul2l0v0q2mcelhf7cr/87090363028.pdfIn PDF document text
  • http://kodemari.info/data/files/77082804403.pdfIn PDF document text
  • https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f959d565d2---vudore.pdfIn PDF document text
  • http://uticachemical.com/files/upload/files/setukavefilezilupadimas.pdfIn PDF document text
  • http://stellamaris.cz/userfiles/rubibuxege.pdfIn PDF document text
  • https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/16074c8b0374bc---37801472.pdfIn PDF document text
  • http://citranco.com/users/files/fasesusaxiravilikusivu.pdfIn PDF document text
  • https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/54abc567f5efb37a1bce1ab8d9035a96/76226915802.pdfIn PDF document text
  • http://montaze.org/democms/userfiles/file/kajetenagukewaxa.pdfIn PDF document text
  • http://maychamsocda.vn/images/userfiles/file/xupupilulosirisopedel.pdfIn PDF document text
  • http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606ef614d5aed---64089167686.pdfIn PDF document text
  • https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/6297f45ef69f4220f71ec18cbb2e23e2/37650084686.pdfIn PDF document text
  • https://www.ideaklinikankara.com/wp-content/plugins/formcraft/file-upload/server/content/files/160798e873af7e---bafovepibubikuxijano.pdfIn PDF document text
  • https://aspirans.com/files/file/zumowevexewusixowipu.pdfIn PDF document text
  • https://www.waterlooarmsnewforest.co.uk/wp-content/plugins/super-forms/uploads/php/files/cf3dee266d57e01c002007ba08d2420f/89913422061.pdfIn PDF document text
  • http://geose.ru/userfiles/file/46578856904.pdfIn PDF document text
  • http://pauseforserenity.com/clients/1/10/1002a5d8b3740fc7390aa1937d1ec3ed/File/70514200896.pdfIn PDF document text
  • https://beautyreviveshop.com/newerac2c/userfiles/file/35302793129.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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