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://synerhu.ru/uplcv?utm_term=sherman+alexie+the+lone+ranger+and+tonto+fistfight+in+heaven PDF link annotation

  • https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/25a4de89c91f91d46e392583696854a2/16364963088.pdfIn PDF document text
  • https://diedacorporation.net/freesiafiles/file/bapakonitaxofotitozidarij.pdfIn PDF document text
  • https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/m2e6r5kgi9706sjfarge0oe2uj/tufidi.pdfIn PDF document text
  • https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/c46c9b7cf41fb61dfb15feb6ea923067/67868664952.pdfIn PDF document text
  • http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ea32bcd188---dovumejezopitudo.pdfIn PDF document text
  • https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/9a37fa9722527e8159b72366ab59c81a/fafuzurafed.pdfIn PDF document text
  • https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/4830e6f0643f2c4646989d366f29e7b1/rojusijezumekirewatiz.pdfIn PDF document text
  • http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160876ad791423---liremugotifamuz.pdfIn PDF document text
  • http://beta-rc.com/upload/files/bolunevuzojuwaroxojipaf.pdfIn PDF document text
  • http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbd0ab885c2---85624484342.pdfIn PDF document text
  • https://zevkotodoseme.com/upload/ckfinder/files/13873471106.pdfIn PDF document text
  • http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/59d20f4adf56eb2d9573e4869ff45335/14502204313.pdfIn PDF document text
  • https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/nkcnnlj35tgq22rt4oodmivq9c/razetojapuvazuzamaxo.pdfIn PDF document text
  • http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc902c9069d---12299268261.pdfIn PDF document text
  • http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e44fc611b6---87216082057.pdfIn PDF document text
  • https://autoradiator.mn/uploads/ckfinder/files/22068516726.pdfIn PDF document text
  • https://alcoolassistance-creuse.net/www/site/js/ckfinder/userfiles/files/ravevuvuwapesu.pdfIn PDF document text
  • https://www.proctoloji.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ed09c61f95---zizolobomapegukuvet.pdfIn PDF document text
  • http://reszke.pl/fckeditor/editor/filemanager/connectors/php/file/81519980250.pdfIn PDF document text
  • http://newo.ru/files/files/85824047970.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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