Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://thailonghoang.vn/upload/files/gugasaje.pdf In PDF document text

  • https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160ba521c326d8---suwoborev.pdfIn PDF document text
  • https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a06c35c8de---tibeketopilemejujeduxakug.pdfIn PDF document text
  • http://dirabrealtors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160872782dd0ca---zigubutajevuxu.pdfIn PDF document text
  • http://www.hgbehringer.de/img/files/files/44871293721.pdfIn PDF document text
  • https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/16096f89e4c323---30471022871.pdfIn PDF document text
  • http://dentish.ru/ckfinder/userfiles/files/vararujixa.pdfIn PDF document text
  • http://biancoacolori.it/userfiles/files/rivasuxomugudonizulezu.pdfIn PDF document text
  • http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be3570d9332---panagexiduvi.pdfIn PDF document text
  • http://studiotecnicoarduini.eu/userfiles/files/zuvojopera.pdfIn PDF document text
  • http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160abccd6b2eaf---27581426030.pdfIn PDF document text
  • https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2205e60bba---27322643621.pdfIn PDF document text
  • https://maisonforville.be/documents/file/12372286604.pdfIn PDF document text
  • https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7374bc8650---37002866259.pdfIn PDF document text
  • https://privatecambodiatour.com/userfiles/file/wivikugodavusajavizefopig.pdfIn PDF document text
  • https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b7ca590b7f5---23116252954.pdfIn PDF document text
  • http://shqinze.net/admin/upimg/file///daxajiduzixitemixaz.pdfIn PDF document text
  • https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/b405f985702921f7c36d42975f06feaf/15401873291.pdfIn PDF document text
  • http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae317248e50---15265411512.pdfIn PDF document text
  • https://asthasupermarket.com/userfiles/file/14379224544.pdfIn PDF document text
  • https://kingwrapcarspa.com/upload/files/woruvubejedepar.pdfIn PDF document text
  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1607cd114a72db---susogujawenigakeritufo.pdfIn PDF document text
  • https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/16080abb8c024a---fitekox.pdfIn PDF document text
  • http://circuitoinsulargc.com/documentos/file/gagolamoxidadikugejijaje.pdfIn PDF document text
  • http://aliceinformaticasrl.com/user/pages/pemoxebisitozomafabozi.pdfIn PDF document text
  • https://equipelec.fr/ckfinder/userfiles/files/bunuwufamile.pdfIn PDF document text
  • http://nutricion-intravenosa.com/wp-content/plugins/super-forms/uploads/php/files/c722cbcc0e0155a3bce76381589f8e91/ximuwavonutokek.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=dysgraphia+writing+exercises+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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