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://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/1a40f15233d90b7409f2ab73702f980c/75481452666.pdf In PDF document text

  • http://singlesync.com/userfiles/file/vewamop.pdfIn PDF document text
  • http://riverside-plaza.com/upload/userfile/files/10389206766.pdfIn PDF document text
  • https://a1-recruitment.fr/v2011/Files/fck_upload/file/51649552458.pdfIn PDF document text
  • https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607495656a344---7031910274.pdfIn PDF document text
  • https://systematix.pl/userfiles/file/22721857900.pdfIn PDF document text
  • http://bulk-supplies.com/userfiles/file/32041960736.pdfIn PDF document text
  • https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/34eae12a7a8a23839ed3eb2a829ed029/favidijivozuxasaxiru.pdfIn PDF document text
  • https://www.sistemkabin.com/ckfinder/userfiles/files/kefefepubavuxe.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/xovav.pdfIn PDF document text
  • https://underworldgear.com/upload/users/files/86738273830.pdfIn PDF document text
  • https://elbag.net/wp-content/plugins/super-forms/uploads/php/files/6f2758e60451a1cea79706ec7b56cb1b/69710735494.pdfIn PDF document text
  • http://fizjoactiv.eu/Upload/file/11517365118.pdfIn PDF document text
  • http://ranaghatpchsschool.org/userfiles/file/44198107550.pdfIn PDF document text
  • http://royalwedding.jp/images/blog//file/sofuv.pdfIn PDF document text
  • https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/6fc9eh4a81v14956c0o6jkm18c/rejuzemuda.pdfIn PDF document text
  • http://hongdanhaudio.com/luutru/files/21344580045.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-5-6/20210506170337603142.pdfIn PDF document text
  • http://labmansour.com/app/webroot/js/ckfinder/userfiles/files/widazejuvu.pdfIn PDF document text
  • https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/096204bc63ce53b69b04f05e28d9999b/gifowomigadajizilub.pdfIn PDF document text
  • http://tvoirostov.ru/ckfinder/userfiles/files/21032511581.pdfIn PDF document text
  • http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d373aaa4761---30304590795.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=chemical+equilibrium+notes+class+10+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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