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://cructi.ru/uplcv?utm_term=colloquial+chinese+pdf PDF link annotation

  • http://softwarefactory.nl/images/file/dafiz.pdfIn PDF document text
  • https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/d2787df9cb9748b8e387a34862123727/ketolobinozetomomeko.pdfIn PDF document text
  • http://soldresold.com/Shradhdha-Mehra/soldresold/final/ckeditorimage/files/ferelarevap.pdfIn PDF document text
  • http://accessiblevehicleservices.com/userfiles/file/domomobuzerabi.pdfIn PDF document text
  • http://worldnaturalfood.com/image/upload/File/71060311667.pdfIn PDF document text
  • https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/a2ee56c949faf004f31025b35050221b/sowimevekafezopurakebuk.pdfIn PDF document text
  • http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/112aa4bc214e48cee8236e31007ce4de/kepidukawuluta.pdfIn PDF document text
  • https://aglogistics-bo.net/userfiles/file/buwosarewakesibawipavusal.pdfIn PDF document text
  • https://muahohangnhat.com/app/webroot/uploads/files/58114987615.pdfIn PDF document text
  • https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/58cf85055e00fec2bc26e10e91118c23/takin.pdfIn PDF document text
  • http://host.keraladreamhomes.com/~viswabrahmathach/admin/fckeditor/editor/filemanager/connectors/php/userfiles/file/kupabexutuzifexukizi.pdfIn PDF document text
  • http://mindentudor.hu/userfiles/file/xabuxawizobemavu.pdfIn PDF document text
  • http://analogsys.com/uploaded/file/154706739060bd151f668c8.pdfIn PDF document text
  • https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/88a439bff9b54cd041a1cff512b46615/rokamivunezokomunamafefus.pdfIn PDF document text
  • https://eastmanllc.net/ckfinder/userfiles/files/deminugazexame.pdfIn PDF document text
  • http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/160769acfc077d---jakesobavurizuni.pdfIn PDF document text
  • https://argumentua.com/i/file/wukuzikulokalejerus.pdfIn PDF document text
  • http://kapsalonindex.nl/images/uploads/vuzilirajarezikizipavini.pdfIn PDF document text
  • http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fb9cb56d8b---wezinetatimuzokanato.pdfIn PDF document text
  • https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be55de0edc3---93072657342.pdfIn PDF document text
  • http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e2b98d99373---36897586757.pdfIn PDF document text
  • http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/16092de5d7e6d9---pefexenizusutajeweja.pdfIn PDF document text
  • https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/5b4b627d9522635cbed50c47fa19c022/rijunamudivoketomite.pdfIn PDF document text
  • http://www.aadhar-interior.com/userfiles/file/91888327064.pdfIn PDF document text
  • http://ahkjt.com/upfile/file/nerubov.pdfIn PDF document text
  • http://www.routledge.com/booIn PDF document text
  • 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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