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://chcial.ru/uplcv?utm_term=dragon+ball+season+9+episode+28 PDF link annotation

  • http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134bcda391a3---wuratekunubat.pdfIn PDF document text
  • http://dentish.ru/ckfinder/userfiles/files/59676908227.pdfIn PDF document text
  • https://mgogs.com/mgfiles/file/rogebigirabuxenokamonere.pdfIn PDF document text
  • https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/c2b9236e0bbefa061d2ab77fa226ac29/wajonijidamatemisud.pdfIn PDF document text
  • https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/871b1c73b7ce4e9329aa670340e70000/67626364969.pdfIn PDF document text
  • https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614532d02010e---13614697460.pdfIn PDF document text
  • http://www.alex-vasilkov.ru/images/wisdom/file/xigoseteni.pdfIn PDF document text
  • http://aviapartner.biz/js/ckfinder/userfiles/files/74325092420.pdfIn PDF document text
  • http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/6252f8b064043bac751c8f3747b1e90c/netobuxekomidani.pdfIn PDF document text
  • http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16143e6fc3ca1c---deniboxufenuga.pdfIn PDF document text
  • https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/16145705e528d3---72212563608.pdfIn PDF document text
  • http://skoleniridicu-online.eu/ckfinder/userfiles/files/71758499.pdfIn PDF document text
  • http://lagostena.it/userfiles/files/fujezonowebadoxobuxozafi.pdfIn PDF document text
  • http://gesgo.de/userfiles/file/59744830839.pdfIn PDF document text
  • http://shceping.com/upFile/photos/2021-9/file/49198097580.pdfIn PDF document text
  • https://schachverein-marchhoefe.ch/fcsr/news/upload/file/78912991537.pdfIn PDF document text
  • https://www.barrau-philippe-sedeco.fr/ckfinder/userfiles/files/35109816996.pdfIn PDF document text
  • http://madveras.com/ckfinder/userfiles/files/48315471069.pdfIn PDF document text
  • http://molenat-energies.fr/molenat.com/images/editor/file/94027063353.pdfIn PDF document text
  • https://www.ebenisterie-burette.com/ckfinder/userfiles/files/xeraki.pdfIn PDF document text
  • https://rieker-consulting.eu/files/file/weburuwevexux.pdfIn PDF document text
  • https://tjpapigroup3.com/contents/files/98876682638.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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