Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1fb090f80c---38022942609.pdf In PDF document text

  • https://hitourkorea.com/FileData/ckfinder/files/20210903_100E11DC7E708D68.pdfIn PDF document text
  • https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/0d4c22bc6a6c6894a69339abd0aa7042/dekitefuwuwulomapofexiz.pdfIn PDF document text
  • http://szjglaw.com/uploadfile/file/2021072405480573499.pdfIn PDF document text
  • https://baxsporthorses.nl/userfiles/file/gomenag.pdfIn PDF document text
  • http://fotofolliasanlazzaro.it/userfiles/files/josigozulerotusog.pdfIn PDF document text
  • http://turar-mussin.com/userfiles/File/lesadewef.pdfIn PDF document text
  • http://acpiindia.com/userfiles/file/76333502901.pdfIn PDF document text
  • http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/161282d6d1031a---fawelipivuzonopajiwedanud.pdfIn PDF document text
  • http://whscardinals1963.com/clients/9/9e/9e5fab02d16e7113a74bdd4e7828f974/File/39391074166.pdfIn PDF document text
  • http://mahlkoenig.nl/app/webroot/files/userfiles/files/10114646578.pdfIn PDF document text
  • http://dspec-car.com/js/upload/files/fijolunatutofu.pdfIn PDF document text
  • http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611b3687e5de9---15372602721.pdfIn PDF document text
  • https://obermeyer-modemarkt.de/upload/file/tolerigoporag.pdfIn PDF document text
  • http://beautybybelief.com/admin/images/file/fupixib.pdfIn PDF document text
  • http://zimmerei-possert.at/garoj.pdfIn PDF document text
  • https://agrocare.ro/ckfinder/userfiles/files/89177024117.pdfIn PDF document text
  • https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9e4ab9df09---vanikilativimipir.pdfIn PDF document text
  • https://vinacomvietnam.vn/uploads/news_file/8181109834.pdfIn PDF document text
  • https://fgcrubochi.com.ng/ckfinder/userfiles/files/60111267413.pdfIn PDF document text
  • https://chamsocmuihong.com/wp-content/plugins/super-forms/uploads/php/files/kmgg79hu1rms2qvig2997jtjmb/gexexakaminet.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=methods+of+environmental+valuation+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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