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.
• 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 https://kurek-rowery.pl/user_pict/file/33279846227.pdf In PDF document text

  • http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/1607762369be66---76443384568.pdfIn PDF document text
  • http://surveycook.com/upload/tmp/202108/file/46331601778.pdfIn PDF document text
  • https://xn--interpeas-r6a.es/upload/files/27000872642.pdfIn PDF document text
  • http://keralabiblesociety.com/fck_uploads/file/73590870053.pdfIn PDF document text
  • http://1careglobal.com/upload/files/vuzutodisuxisewekokujesal.pdfIn PDF document text
  • http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607d7818b3be1---lomoketeziwunenosarib.pdfIn PDF document text
  • http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bbd48a8431b---17840944448.pdfIn PDF document text
  • https://aprilboya.com/userfiles/file/68639087993.pdfIn PDF document text
  • http://envisystem.com/upload/userfile/files/mibexusekodekopedafuma.pdfIn PDF document text
  • https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/21ec0c7274cdbbcdd82c3f29d65bebb2/50743633968.pdfIn PDF document text
  • https://hosvagyok.hu/userfiles/file/71770900396.pdfIn PDF document text
  • http://amandatravel.com/userfiles/file/keruveguverojagobolok.pdfIn PDF document text
  • https://detector-billetes.com/Imagenes/file/3929172579.pdfIn PDF document text
  • http://seigyobannkaigaikikaku.com/ckfinder/userfiles/files/43770030788.pdfIn PDF document text
  • https://growyourmoney.in/userfiles/files/48935806621.pdfIn PDF document text
  • https://empylean.com/wp-content/plugins/super-forms/uploads/php/files/u0100hn0fg300qs7k0v5ltg6vb/lisufadele.pdfIn PDF document text
  • http://hkxhjfc.ltd/uploads/files/20210805094955.pdfIn PDF document text
  • http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eb641ed28d---subaweritegadixe.pdfIn PDF document text
  • https://leanuslab.com/UserFiles/file/deraxedonimede.pdfIn PDF document text
  • https://natyabio.com/uploadfiles/51397989940.pdfIn PDF document text
  • https://workinhotel.com/upload/fckfile/77009378120.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c45a379056e---wizuniw.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=red+fin+fairy+wrassePDF 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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