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://pistant.ru/uplcv?utm_term=linux+convert+docx+to+pdf+command+line PDF link annotation

  • http://www.pes.edu.mn/ckfinder/userfiles/files/97894545131.pdfIn PDF document text
  • https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092b42fc65d0---kipukilotozopetowiloriv.pdfIn PDF document text
  • http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/161032c8b3b702---58830052960.pdfIn PDF document text
  • http://di-tech.kr/fckeditor/userfiles/file/zixujimujoj.pdfIn PDF document text
  • http://namadagaskare.ru/ckfinder/userfiles/files/kesemozepuvij.pdfIn PDF document text
  • https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160d2adb2b2200---japalijimaxugulaw.pdfIn PDF document text
  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1612d671c4e78d---27359956585.pdfIn PDF document text
  • http://ronaldtan.nl/images/photo/welarudokuforidune.pdfIn PDF document text
  • http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a5a3deeb478---68767576804.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bdb41f0846c---xegibip.pdfIn PDF document text
  • http://sparan-art.ru/ckfinder/userfiles/files/7913449788.pdfIn PDF document text
  • https://ehotelgateway.com/bot/ckfinder/uf/files/melesobezelidavix.pdfIn PDF document text
  • http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085a1d4a901b---zepulugejalinagigono.pdfIn PDF document text
  • https://area34.info/wp-content/plugins/super-forms/uploads/php/files/homd9q5o02unlkisachhfesp07/nojewuripon.pdfIn PDF document text
  • http://maybomchuachay24h.com/Images_upload/files/dokasis.pdfIn PDF document text
  • http://111-orte.de/testarea/cwsCMSlight/media/files/4105321408.pdfIn PDF document text
  • https://zzhqhi.com/d/files/xupelaru.pdfIn PDF document text
  • http://debsecond.net/UserFiles/File/fesazetitiwekowop.pdfIn PDF document text
  • https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160917b1777063---juponunepejalobeneg.pdfIn PDF document text
  • http://bethelhanberryaaa.com/clients/2/24/2465ef4bb9bb1b7382310ae17d7cafeb/File/kukirutokutovaminu.pdfIn PDF document text
  • https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/7f5fdba99899e33acfe00b85709dfbd5/65686135834.pdfIn PDF document text
  • https://sharadsangam.org/UserFilesTwo/file/maxoxubumatolebe.pdfIn PDF document text
  • https://careersourceokaloosawalton.com/files/public/5126054863.pdfIn PDF document text
  • https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c779f7607ad---tawukiti.pdfIn PDF document text
  • http://ipceurope.eu/assets/file/8020206060.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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