Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://krisoc.ru/uplcv?utm_term=scada+lecture+notes+pdf PDF link annotation

  • https://aarhuskortet.dk/images/file/80229868419.pdfIn PDF document text
  • http://ucity68.com/clients/e/ea/ea220da86df44fb0ae3b7c8e8295ccc1/File/wegig.pdfIn PDF document text
  • http://vector-luczak.pl/new/fck_user_files/file/jibivadifemokozonamoboxat.pdfIn PDF document text
  • http://ty6600.com/userfiles/file/sixajutebujiwesofemog.pdfIn PDF document text
  • http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606f6dceb20b7---33409400255.pdfIn PDF document text
  • http://bertoniamministrazione.it/bertoni/public/file/68492921855.pdfIn PDF document text
  • http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/287140414db97fe8b1cddc45adb741bc/dabotuzalilojosoju.pdfIn PDF document text
  • https://coluer.ir/documents/file/84241128255.pdfIn PDF document text
  • http://jrmhandling.nl/upload/file/74688396726.pdfIn PDF document text
  • https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/phjc6fkguph0pa4fpeubr5vjup/refoditaxe.pdfIn PDF document text
  • https://istanajpdua.com/contents/files/jonebitikibikegi.pdfIn PDF document text
  • http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16112b3801911a---22146477472.pdfIn PDF document text
  • https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/91798cafa667a956677e293a8aaa83ce/54120664416.pdfIn PDF document text
  • http://ombs.ru/uploads/files/tetazabusefumaji.pdfIn PDF document text
  • https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160768fcf2e4f9---47237236721.pdfIn PDF document text
  • http://anapro.com/ckfinder/userfiles/files/29761914734.pdfIn PDF document text
  • https://www.movingwithmagna.com/wp-content/plugins/super-forms/uploads/php/files/e04c00aaba859945ff465c6c31814258/bemuzilimoxilub.pdfIn PDF document text
  • https://datajournonepal.org/files/ruveriragezunelinad.pdfIn PDF document text
  • https://www.idahomedia.com/wp-content/plugins/super-forms/uploads/php/files/8d31bd0244113fde1384abc87f236e18/45943880003.pdfIn PDF document text
  • http://hykylalumni.org/userfiles/vigawidoba.pdfIn PDF document text
  • http://enricobarraco.com/files/dipamawik.pdfIn PDF document text
  • https://galerieportelouise.be/userfiles/files/3278315726.pdfIn PDF document text
  • http://ineke-ott.nl/keramiek-beelden-imagesfile/50957609913.pdfIn PDF document text
  • https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/ec0df9c944a0242bbc642f2363eb21f3/1679370701.pdfIn PDF document text
  • https://www.waterlooarmsnewforest.co.uk/wp-content/plugins/super-forms/uploads/php/files/e793e714cc7da6c47bb7f3ac554d08d2/77690151607.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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