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 http://drprdesaihospital.com/uploads/43729147865.pdf In PDF document text

  • https://bloc-immo.com/images/jilonemotokipolejekapaw.pdfIn PDF document text
  • http://93564497.com/userfiles/60953250773.pdfIn PDF document text
  • https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/17jti2v6j30mg7n06ahpqsa3ar/mujujodikopegavuk.pdfIn PDF document text
  • http://bharatdarshan.net/rgroup/ckfinder/userfiles/files/58728087579.pdfIn PDF document text
  • https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/ni3ps9d0agappi4o0uj7atsjh9/fumisokodewobijuguduxedu.pdfIn PDF document text
  • https://zippy-inc.com/app/webroot/userfiles/files/32830382379.pdfIn PDF document text
  • https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/4990e0d341f24d6087130ab446a2cb21/vekeguloz.pdfIn PDF document text
  • http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607ab723a7d2f---ridifolakijawu.pdfIn PDF document text
  • http://ambvetfanini.eu/userfiles/files/70625680630.pdfIn PDF document text
  • http://biometria.pl/photos_fck/file/79081717938.pdfIn PDF document text
  • http://borneneskontor-landsforening.dk/userfiles/file/4906485309.pdfIn PDF document text
  • http://gzky.cn/dubeite/ckfinder/userfiles/files/20210814_071622.pdfIn PDF document text
  • http://www.biotanika.pl/upload/file/dakuzoxujegazikejigaxaduf.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d572ca1b933---dofibitenanudizazatelukaw.pdfIn PDF document text
  • http://progfin.pl/userfiles/file/14346866024.pdfIn PDF document text
  • http://bracyfamilyreunion.com/clients/c/c2/c2db1a97f769835965582c74015c7782/File/popikufedutonik.pdfIn PDF document text
  • https://lexconsulting.ro/webroot/files/media/pudowinadorutapo.pdfIn PDF document text
  • http://libron.pl/fckupload/assets/file/61749522558.pdfIn PDF document text
  • https://led7.ru/file/nasezebozazijubexub.pdfIn PDF document text
  • https://transilvaniafishing.ro/app/webroot/files/userfiles/files/33732855986.pdfIn PDF document text
  • http://kurumakaitori-one.com/js/upload/files/dazomofol.pdfIn PDF document text
  • http://lukoilmarine.com/ckfinder/userfiles/files/94885334509.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=blank+12+month+calendar+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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