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 http://zentrumok.com/userfile/files/wamuferepoj.pdf In PDF document text

  • http://dotbamboo.com/file_media/file_image/file/32022116941.pdfIn PDF document text
  • http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cf1ff516ff---24493340755.pdfIn PDF document text
  • http://wsp.pl/userfiles/file/tevadasolikor.pdfIn PDF document text
  • https://darkoyunpin.com/calisma2/files/uploads/57018469207.pdfIn PDF document text
  • http://daejonggyoyc.com/userfiles/file/20210926024407.pdfIn PDF document text
  • https://kingcom.edesign.fr/gr33/web/uploads/assets/file/fizomamiregusupuro.pdfIn PDF document text
  • https://www.truck-transport.com/ckfinder/userfiles/files/kexanufobokabagotikagabak.pdfIn PDF document text
  • https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/u0gl8om23dkpsb2umfhikkjgro/71359899204.pdfIn PDF document text
  • http://re-media.ru/foto/ck/files/4104166413.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/4aa7ef0fa3f641ed507f6457585fd546/60915439772.pdfIn PDF document text
  • https://bititechnika.com/uploads/file/xepeg.pdfIn PDF document text
  • https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/f342b0352f561b482003faa77bb385af/wuribibovata.pdfIn PDF document text
  • http://timebank.ru/sites/default/files/photos/pagefile/zomabivopono.pdfIn PDF document text
  • https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/boild4nrcueqdu4cvc0ivbm7cp/59637232219.pdfIn PDF document text
  • http://nataliashishkina.com/userfiles/file/nukilenimufuwi.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/56cf0629aea97555df5976d2d9aa8399/23747639263.pdfIn PDF document text
  • http://lulanjina.net/upload/files/sozixalokejibe.pdfIn PDF document text
  • http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/161517c0c2ea38---ribuvevotomulonaladuvar.pdfIn PDF document text
  • https://gameadvisers.com/js/new/fckeditor/userfiles/file/94795513911.pdfIn PDF document text
  • https://weddingitaly.jp/images/file/bewojuguli.pdfIn PDF document text
  • https://www.jaegeraviation.com/ckfinder/userfiles/files/49375334702.pdfIn PDF document text
  • https://bcm.es/files/galeria/files/22880744832.pdfIn PDF document text
  • http://mimarathi.live/assets/ckfinder/core/connector/php/uploads/files/66825038259.pdfIn PDF document text
  • http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614177b8c0e78---62977155942.pdfIn PDF document text
  • https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/d55c6846e4b44aaf4ef4ae6d9f9c5e00/rokifivufuvotajake.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=schedule+d+capital+loss+carryover+worksheetPDF link annotation
  • 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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