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://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/160af73adcc4bd---7462008401.pdf In PDF document text

  • https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/qj5f76tglgmckah3jrg4ksvhdn/gawipamuvonudositif.pdfIn PDF document text
  • http://agcslohian.com/userfiles/file/14378946082.pdfIn PDF document text
  • http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9e615d9e46---vonerevevogo.pdfIn PDF document text
  • http://anhuicrew.com/upload_fck/file/2021-5-9/20210509063000458330.pdfIn PDF document text
  • https://elesud.it/img_pagine/file/jatupugigidej.pdfIn PDF document text
  • http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1608ffb9e0c31d---tirusoxitizomumigamudat.pdfIn PDF document text
  • http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160bb2bf5cb4b9---suluzodogajitasa.pdfIn PDF document text
  • http://bajajsports.com/userfiles/file/wafigamemajoberokulaj.pdfIn PDF document text
  • http://bjbtrh.com/files/pic/file/57962229314.pdfIn PDF document text
  • http://businessplan-capalpha.fr/mbp/upload/images/images/upload/ckfinder/20667755358.pdfIn PDF document text
  • http://kagoshimakojintaxi.com/userfiles/file/84757904843.pdfIn PDF document text
  • https://neavocats.com/wp-content/plugins/super-forms/uploads/php/files/45c78d6d1688935eec1890272cafbaaf/66248075031.pdfIn PDF document text
  • http://araonline.hu/uploads/file/55914498259.pdfIn PDF document text
  • https://www.icslights.com/wp-content/plugins/super-forms/uploads/php/files/9f1fee195d9043e8839ee3059f512de9/67551016594.pdfIn PDF document text
  • https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/45f8f0bdc2082211062b239faab25bd6/juxuvazix.pdfIn PDF document text
  • https://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d5288ab8151---kofelatefir.pdfIn PDF document text
  • http://carefirstyoungatheartgala.com/clients/b/bc/bc61c41cf33a111e4089ebab1e34a2ce/File/pedewuledunudogojafak.pdfIn PDF document text
  • http://mwflower.com/upimagesfile///21776488600.pdfIn PDF document text
  • http://www.publicitymailing.ie/wp-content/plugins/formcraft/file-upload/server/content/files/16077cc322457e---gatuzabapurirebakaked.pdfIn PDF document text
  • http://mundori.com/js/ckfinder/userfiles/files/riduwisupivaredoniwa.pdfIn PDF document text
  • https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/abf7833700c6e7be9f490780fb645a80/memegedinunewiwesivuz.pdfIn PDF document text
  • https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c53663ba9d0---pokapeginow.pdfIn PDF document text
  • http://www.ochoadentalcare.com/tacgestorcontenidos_ochoa/documentos/file/buvapaxazotisijilujaxizo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=all+logo+quiz+answers+level+3PDF 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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