Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://coretry.ru/uplcv?utm_term=biggest+crane+ship+in+the+world PDF link annotation

  • https://www.benkorner.nl/admin/library/ckfinder/userfiles/files/89880980152.pdfIn PDF document text
  • http://psycare-spb.com/userfiles/file/sotomorafosanigibij.pdfIn PDF document text
  • http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a18937dae40---sitoxokot.pdfIn PDF document text
  • http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083b542da3f8---51639136559.pdfIn PDF document text
  • https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/bdf0ek5kbkrie2390anhmof6jn/80262152842.pdfIn PDF document text
  • http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606fe6611ba65---zegipijuboladivotanutakob.pdfIn PDF document text
  • http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/16073c9e90d9bd---poruj.pdfIn PDF document text
  • http://jaatkinson.com/userimages/petebenopowunobexazije.pdfIn PDF document text
  • http://wwstationery.com/files/file/bixuvodufikudis.pdfIn PDF document text
  • https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/b14f74a88d6665d78ffe938e1548dd1a/newov.pdfIn PDF document text
  • https://jennysbooks.com/wp-content/plugins/super-forms/uploads/php/files/5dd40ae426a93d4e0fa8636b346472f9/dodikudejupivajiwud.pdfIn PDF document text
  • http://ahcxdq.com/uploads/file/291509293813.pdfIn PDF document text
  • http://alacarte-grafik.de/userfiles/file/jukebazobejufiki.pdfIn PDF document text
  • https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/vl7a5t95ij31moov00068a6240/mitinanepifidupagapaz.pdfIn PDF document text
  • https://grnca.org/img/files/files/famoputituropulazonodi.pdfIn PDF document text
  • http://wxeina.com/userfiles/files/20262972547.pdfIn PDF document text
  • https://www.bakirkoytemsilcisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bccdceb835---82226831155.pdfIn PDF document text
  • https://beldaoyun.com/calisma2/files/uploads/dikobonimegexojelozexuzej.pdfIn PDF document text
  • http://anaminfo.com/attachfile/file/66658696759.pdfIn PDF document text
  • https://geniodelweb.com/file/vuzewo.pdfIn PDF document text
  • https://nhathuydesign.com/wp-content/plugins/super-forms/uploads/php/files/3vdc7jrjnhvku6cqrqj3r4bfas/65942058436.pdfIn PDF document text
  • http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a226a701ba6---61271298055.pdfIn PDF document text
  • https://daismene.it/file/felisakepefinaxobew.pdfIn PDF document text
  • https://www.mediawerf.nl/bundles/store24backoffice/ckfinder/userfiles/files/28234126690.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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