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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://crysiq.ru/uplcv?utm_term=ghost+in+the+wires+pdf+download PDF link annotation

  • https://novahealthclinic.ca/userfiles/file/42122851969.pdfIn PDF document text
  • https://ytdrive.com/CKEdit/upload/files/12624814321.pdfIn PDF document text
  • https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/07547aeba2446c8f3e1831a496d955ac/11152338064.pdfIn PDF document text
  • https://xn--bren-mgenwil-gcbf.ch/sites/default/files/fck-uploads/file/84979229328.pdfIn PDF document text
  • https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/c684e13327eebce4fbc41cd084c41e48/29602575546.pdfIn PDF document text
  • https://bda.ch/ckfinder/userfiles/files/kofob.pdfIn PDF document text
  • http://rjbmachinery.com/d/files/sojupetev.pdfIn PDF document text
  • http://whitedwarf.ru/public/images/ckfinder/files/48557230054.pdfIn PDF document text
  • http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16096a946a1ed9---tevekexuwoto.pdfIn PDF document text
  • https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/ba954ee1336059cd42590f2c1a66b782/kagumexomofaxi.pdfIn PDF document text
  • http://assytekservizi.com/userfiles/files/35519222187.pdfIn PDF document text
  • http://bivalyracing.hu/files/file/wovejusefulofobe.pdfIn PDF document text
  • http://penzion-u-zamku.cz/files/file/xujajidopolamosuk.pdfIn PDF document text
  • http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/80290b428d1044b8e65b5ee19d36497d/risexivew.pdfIn PDF document text
  • http://metabolit.ru/files/file/40800213299.pdfIn PDF document text
  • http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2264f379e---vuwepazujijapurudoxexum.pdfIn PDF document text
  • http://kimhoatra.vn/upload/fckimagesfile/79978434580.pdfIn PDF document text
  • http://www.tobywells.org/media/fckdir/file/sepugowokevimemodib.pdfIn PDF document text
  • https://www.surajinformatics.com/wp-content/plugins/super-forms/uploads/php/files/b1e9184650adbf4b30860d44c1e7ab59/18727024245.pdfIn PDF document text
  • http://visusmarble.com/images_upload/files/bojoxezagi.pdfIn PDF document text
  • http://ekhoron21.mn/uploads/files/lajukaruxelulinodagufifo.pdfIn PDF document text
  • https://synersys.fr/contenu/file/87830949.pdfIn PDF document text
  • http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a964c77f042---judixinodidigikawupitil.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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