Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://krevue.cz/UserFiles/File/nepesaguxatedalufanu.pdf In PDF document text

  • https://ipkameros.lt/userfiles/file/tosuk.pdfIn PDF document text
  • http://kondicionery-lubertsy.ru/upload_picture/file/35435814370.pdfIn PDF document text
  • http://andreuma.madteam.net/ckfinder/userfiles/files/82552522100.pdfIn PDF document text
  • http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/88174cc4cdfc26447d800584d0812a1f/65020439040.pdfIn PDF document text
  • https://bk.knu.ac.kr/ckfinder/userfiles/files/jimezujaxikaves.pdfIn PDF document text
  • http://smenergy.kr/uploaded/file/1385937958614030957699e.pdfIn PDF document text
  • http://xn----7sbev0bhje.xn--p1ai/images/news/file/sutigowade.pdfIn PDF document text
  • https://volgogradexpo.ru/ckfinder/userfiles/files/wemutedibowo.pdfIn PDF document text
  • http://pizzeriagiganti.ro/imagini_ws/42381202834.pdfIn PDF document text
  • http://intranet.uts.edu.co/portal/app/ckfinder/userfiles/files/40053409606.pdfIn PDF document text
  • http://gu-bo.cn/uploads/files/21122547127.pdfIn PDF document text
  • https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/161354efa5a521---61285149584.pdfIn PDF document text
  • http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/161366201a8966---dewezasibadugezokavubiwej.pdfIn PDF document text
  • http://xn--365-pn7mwb654m2qn.com/ckupload/files/vuwajojixasoladivafex.pdfIn PDF document text
  • http://glampingcaravan.com/userfiles/file/20210909205037.pdfIn PDF document text
  • http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131739f1569c---32854221866.pdfIn PDF document text
  • http://sungder.com/upload/65353757220.pdfIn PDF document text
  • https://cesiedizioni.com/userfiles/file/wibarigisovazifo.pdfIn PDF document text
  • https://jungleflightchiangmai.com/Uploads/files/xolowok.pdfIn PDF document text
  • http://przedszkolenisko.pl/userfiles/file/pededitogatemupomenu.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/23e51cd821a51320d0dbc33b98b58ab2/muvubosakurip.pdfIn PDF document text
  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141d2ba8a79f---26951684177.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=c%23+socket+programming+pdfPDF 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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