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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://irlanc.ru/uplcv?utm_term=key+to+wren+and+martin+primary+school+pdf+download PDF link annotation

  • https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/60080dee390e122a2dc48fbdbcc23f6d/muxitunazufimokiduzi.pdfIn PDF document text
  • https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/160dd8f6dd5580---34022407162.pdfIn PDF document text
  • http://nacyc.jp/Upload/file/dezulufilonadabete.pdfIn PDF document text
  • http://centralcogtc.com/uploads/file/zalaxev.pdfIn PDF document text
  • http://antwerp-reefer-tournament.be/argt/files/5425176416.pdfIn PDF document text
  • http://axwelindia.com/uploads/99715282847.pdfIn PDF document text
  • http://perfekttorun.pl/pliki/63858574705.pdfIn PDF document text
  • http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078d503c344e---46818078613.pdfIn PDF document text
  • https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/186e8a2ed8052b4ee7e867b93b8b1613/76216736934.pdfIn PDF document text
  • http://jtipartner.com/ckfinder/userfiles/files/21936971927.pdfIn PDF document text
  • https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607b955561c3d---10735537012.pdfIn PDF document text
  • http://esrafisek.com/images_upload/files/pajiwibijosofimamamexax.pdfIn PDF document text
  • https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160870cdc51567---88664660420.pdfIn PDF document text
  • https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/045edb7f2miv9auf40spkvvdo0/11908842969.pdfIn PDF document text
  • https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/kantcjsa326ecs5ufneb28ke4q/42169675223.pdfIn PDF document text
  • http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a12985af6d5---63759964820.pdfIn PDF document text
  • http://mulherinscampground.com/clients/879992/File/zokusenubixuram.pdfIn PDF document text
  • https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/160db5ddf9cc9f---68015191432.pdfIn PDF document text
  • http://naszymsladem.pl/upload/file/nalifexilib.pdfIn PDF document text
  • http://brandnewgoods.net/userfiles/file/mumalasanadodexefepaver.pdfIn PDF document text
  • https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/e70653aa6a155ad726a458f677b7e2b3/27501552370.pdfIn PDF document text
  • https://starwebline.com/calisma2/files/uploads/zunumulukinopulofune.pdfIn PDF document text
  • http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607125081dd9a---sevezanunugewo.pdfIn 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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