Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://drafthe.ru/uplcv?utm_term=3.6.5+codehs+answers+karel+challenges PDF link annotation

  • http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607845d90fe2e---76699490562.pdfIn PDF document text
  • http://iphysiology.ru/upload/42533072431.pdfIn PDF document text
  • http://www.publicitymailing.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160be648759d08---73871624758.pdfIn PDF document text
  • http://chinazzjx.com/d/files/jasedolaleravovesafun.pdfIn PDF document text
  • https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/ac5520e741cb840addd3679815c2fd0d/lipeverogamoxo.pdfIn PDF document text
  • https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/3155c232988692fbc969daecfd9ebc38/69951956345.pdfIn PDF document text
  • http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ab9fca57347---49031551199.pdfIn PDF document text
  • http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609876ac58299---85537836571.pdfIn PDF document text
  • https://musikkursus.dk/userfiles/file/samogofididiti.pdfIn PDF document text
  • https://silverlabpupsforsale.com/userfiles/files/kemusar.pdfIn PDF document text
  • http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c7b3eca40e6---90518677400.pdfIn PDF document text
  • http://0-50.ru/userfiles/file/gupoguroliliguvosalexa.pdfIn PDF document text
  • http://zatacorp.com/upload/files/95951112972.pdfIn PDF document text
  • http://honyi.tw/ckfinder/userfiles/file/nusupumamidedefo.pdfIn PDF document text
  • http://purofirstli.net/userfiles/file/52927611682.pdfIn PDF document text
  • http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16087b87813164---63173489433.pdfIn PDF document text
  • https://media-get.com/userfiles/files/tifimavixanusugug.pdfIn PDF document text
  • http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a4d86033586---89756944387.pdfIn PDF document text
  • http://arserwood.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210507031513146792u5ewum.pdfIn PDF document text
  • https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/h91319avjadj0f2s94hmo7avsi/mixaso.pdfIn PDF document text
  • http://amandatour.ru/js/ckfinder/userfiles/files/932430259.pdfIn PDF document text
  • https://jaiminsales.com/ckfinder/userfiles/files/37312716675.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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