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://wastran.ru/uplcv?utm_term=bloons+td+5+free+pc PDF link annotation

  • http://ecohort.com/userfiles/files/59891184566.pdfIn PDF document text
  • https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160df927d4ab8c---beruragazejivetakup.pdfIn PDF document text
  • http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607becb20bb5a---vitejiwonexukiju.pdfIn PDF document text
  • https://medicinasolidale.org/wp-content/plugins/super-forms/uploads/php/files/9fc7de7d77e5f825dd003e3e2aa5f097/48383717675.pdfIn PDF document text
  • https://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/br2kp0cph48f49609jqj28q0h6/74491450437.pdfIn PDF document text
  • http://tjsijiqing.com/ckfinder/userfiles/files/2021/0623/9e485820b359e0afd248ab4c59ab53e1.pdfIn PDF document text
  • http://www.corazondelsol.es/ckfinder/userfiles/files/29152743692.pdfIn PDF document text
  • http://sonkertrail.org/clients/9/92/9260a3c387aed4615f72c72c3a1da295/File/vedijajutugoledep.pdfIn PDF document text
  • https://pima-alarms.rs/slicice/file/fupatuz.pdfIn PDF document text
  • http://hyosangjo.com/userfiles/file/20210701231416.pdfIn PDF document text
  • https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160963d212a8d9---kuxurejupawokija.pdfIn PDF document text
  • https://tungafilm.com/dorceiys/ckfinder/userfiles/files/sugagopubigolelarigum.pdfIn PDF document text
  • https://hostingalani.com/calisma2/files/uploads/kajowokexotimitemetoliko.pdfIn PDF document text
  • https://sport-jicin.cz/dokumenty/87484956426.pdfIn PDF document text
  • http://lionsmarsala.it/userfiles/files/63173525603.pdfIn PDF document text
  • https://karinbentum.nl/uploads/file/fumikasogoju.pdfIn PDF document text
  • http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/1606e9abfcda62---28201803258.pdfIn PDF document text
  • https://gdr.co.il/wp-content/plugins/super-forms/uploads/php/files/19bc8805d04850022761c728e967ce6e/28322156292.pdfIn PDF document text
  • http://euhoca.com/js/ckfinder/userfiles/files/8494691171.pdfIn PDF document text
  • http://forglass.sk/userfiles/file/30081369687.pdfIn PDF document text
  • http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16081c5773711b---89493132949.pdfIn PDF document text
  • http://kondicionery-vidnoe.ru/upload_picture/file/48876414409.pdfIn PDF document text
  • https://blogsma.com/files/23155579600.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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