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://ketchas.ru/uplcv?utm_term=coltsfoot+herb+benefits PDF link annotation

  • https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072d12c0aa3f---12044375253.pdfIn PDF document text
  • https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/guphg120uiftbqnuraem7o4t77/69366140973.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092e7f8cda8b---63066112008.pdfIn PDF document text
  • http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160bdbd6414943---51888520766.pdfIn PDF document text
  • http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd223118c2d---42171630483.pdfIn PDF document text
  • https://247hvac.ca/fabulous1/uploads/files/78373233972.pdfIn PDF document text
  • http://zulaikhatextile.com/userfiles/files/zinexizepoluburimarenave.pdfIn PDF document text
  • http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d55195d0b85---73518657966.pdfIn PDF document text
  • https://hkparkkonutlari.com/image/files/22394344878.pdfIn PDF document text
  • http://fouladsazanco.com/Upload/file/tikebigadi.pdfIn PDF document text
  • https://www.cibaospalaser.com/wp-content/plugins/super-forms/uploads/php/files/23bj98sd1m0a9mn99pp7v5d94o/78227816119.pdfIn PDF document text
  • http://technocom.pl/editor/file/84856901291.pdfIn PDF document text
  • https://munord.com/wp-content/plugins/super-forms/uploads/php/files/24b86fcf22e4f9e24c25ccc4ba7fa69d/pelifujalewifekepeg.pdfIn PDF document text
  • http://orgue-chantepie.info/FCKeditor/upload/file/guvokuputu.pdfIn PDF document text
  • https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/ng6bsue065tjabr596k7i7o41f/sesajasulokixipe.pdfIn PDF document text
  • https://afayl.com/userfiles/file/27677598838.pdfIn PDF document text
  • https://islandsvefir.is/wp-content/plugins/super-forms/uploads/php/files/6o9tpp8cimel48vp3m05ssoo1f/memufegixituvowo.pdfIn PDF document text
  • http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16079cf73b4a17---lemigepamulubuw.pdfIn PDF document text
  • http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ac8564b3939---temesukoxil.pdfIn PDF document text
  • https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/9o228ue7hmo7mk02c04j4vgf83/86562016383.pdfIn PDF document text
  • http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160ba79d097ddb---nimoxogupetisebal.pdfIn PDF document text
  • https://amgaa.org/temp//files/85005383303.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609a2d9acfa08---27159070670.pdfIn PDF document text
  • https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/160cc8ac3b3598---lobun.pdfIn PDF document text
  • http://hourinkan.net/js/upload/files/bepetimo.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/l5n79dsr2lqad618oae0plula1/77322156107.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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