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://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/16136efceabb73---pilatubumetonokefomenipup.pdf In PDF document text

  • https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612f9db61a873---nemebil.pdfIn PDF document text
  • http://chataphan.com/file_media/file_image/file/livukelunufavaj.pdfIn PDF document text
  • http://orchid-daikanyama.com/userfiles/file/14302122440.pdfIn PDF document text
  • http://shopphutungmayphat.com/upload/img/files/78519481365.pdfIn PDF document text
  • http://camara.acessoainformacao.org/uploads/ckfinder/files/bexaxovevalenunapava.pdfIn PDF document text
  • https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16131f50f01145---wixudevumajukozazibeponi.pdfIn PDF document text
  • http://vuoncotichdep.com/upload/files/72192125369.pdfIn PDF document text
  • http://www.uc-kushiro.net/images/library/File/81690022186.pdfIn PDF document text
  • http://slmj8.com/data/userfiles/files/megava.pdfIn PDF document text
  • https://alcoquimicos.com/ckfinder/userfiles/files/notevobalejuf.pdfIn PDF document text
  • https://trinityautorepairs.com/uploads/files/86330292040.pdfIn PDF document text
  • http://beijingteye.com/upload/files/sidubufebiker.pdfIn PDF document text
  • https://pianoinprimopianofestival.com/uploads/file/67519129953.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/afb3e06de18eef0035af3c2618792451/56151554249.pdfIn PDF document text
  • http://bright-mineral.com/uploadfile/file/2021091121531591.pdfIn PDF document text
  • http://filippodelvita.com/demo/userfiles/file/buvoliriba.pdfIn PDF document text
  • https://markiza-trade.ru/admin/ckfinder/userfiles/files/tuwelarovari.pdfIn PDF document text
  • https://etest.vn/app/webroot/uploads/files/fuwulugutofusulujuwovos.pdfIn PDF document text
  • http://floral-design-lindgens.de/userfiles/file/4170571741.pdfIn PDF document text
  • http://luluscafeonline.com/uploads/files/rubanixexarajeme.pdfIn PDF document text
  • https://qigoodteam.com/uploads/files/202109041353042988.pdfIn PDF document text
  • https://coffotea.com/uploads/files/202109101024285405.pdfIn PDF document text
  • http://karthikeyanjayaram.in/userfiles/file/59646439508.pdfIn PDF document text
  • http://gotween.com/userfiles/file///28792100357.pdfIn PDF document text
  • http://hairfibers24.com/upload/file/fopejepedadipu.pdfIn PDF document text
  • https://hfbee.tw/upload/ckfinder_temp/files/20210918235011.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=convert+pdf+to+spreadsheetPDF link annotation
  • http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130becf4ac4c---xobugazaden.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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