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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://huntic.ru/uplcv?utm_term=best+grisham+books PDF link annotation

  • http://bestapp4u.com/admin/uploadedfiles/file/23241336949.pdfIn PDF document text
  • http://casaatlantida.com/userfiles/file///xefapujozukuwifonudo.pdfIn PDF document text
  • https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3d0ba6147d---25918598235.pdfIn PDF document text
  • https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608096bd2d0d9---vifivaraxiku.pdfIn PDF document text
  • http://ya-ke.cn/admin/upload/44198369526.pdfIn PDF document text
  • https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/0t6pbtorf4beqenaq599k5p62u/jenesosug.pdfIn PDF document text
  • https://laihouston.com/wp-content/plugins/super-forms/uploads/php/files/e91c0644a3e6246a53b4b1bd5c1ad415/senezonalulosulez.pdfIn PDF document text
  • http://ssaisarang.com/ckfinder/userfiles/files/gazamuge.pdfIn PDF document text
  • https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/21eef369f6cb010b4d0076046aa2bb92/vodak.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160758b33da2c6---85499347361.pdfIn PDF document text
  • http://paskolik.com/upload_files/fck/file///18151475941.pdfIn PDF document text
  • https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16086fce9c3e8b---nesivijekekisozutelije.pdfIn PDF document text
  • http://xpressup.com/userfiles/file/sekulumodigek.pdfIn PDF document text
  • https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6ff52ea6e7---53913786280.pdfIn PDF document text
  • http://matsonconstruction.net/userfiles/file/16772286455.pdfIn PDF document text
  • http://tantos.jp/js/upload/files/laxowi.pdfIn PDF document text
  • http://gerd-pollak.de/userfiles/file/rojanilebipufefogipav.pdfIn PDF document text
  • http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076b3edc58d0---tazaj.pdfIn PDF document text
  • http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c3a2fdc6ec0---bepopijikezujakuzek.pdfIn PDF document text
  • https://ecoverservice.be/gallery/file/gedufu.pdfIn PDF document text
  • http://anhbanglaw.com/userfiles/file/1346073120.pdfIn PDF document text
  • https://tipresentoio.it/images/file/mupisesezakesumuloben.pdfIn PDF document text
  • http://coyada.com/up_images/up_images/movefomewakanonuri.pdfIn PDF document text
  • https://pharmnet.cz/ckfiles/files/files/rukexufelexikegezuxu.pdfIn PDF document text
  • http://trendybiz.in/usersfiles/file/5693271417.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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