Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://bioscipublisher.com/files/upfiles/file/84171861863.pdf In PDF document text

  • http://terrietanaka.com/library/files/69375950738.pdfIn PDF document text
  • https://ksboutlet.com/file/files/duxunokaxebabubobubikexif.pdfIn PDF document text
  • https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16114ad2931a7c---48526177939.pdfIn PDF document text
  • https://trvstore.com/userfiles/file/35055062999.pdfIn PDF document text
  • http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a77abb931bc---15475213814.pdfIn PDF document text
  • http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/4d4ddc811f6807749b06eef6fb92d042/jiwaxuw.pdfIn PDF document text
  • https://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/46b5934e1192236547039783e04a96ae/21029271612.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/73ecb9a26a4fe977090a0e64ea9f7522/lowumep.pdfIn PDF document text
  • https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca558f3969---xibotolomivaxodik.pdfIn PDF document text
  • http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160908c78c4efd---63556608626.pdfIn PDF document text
  • http://ichieh.tw/uploads/files/202108280454573177.pdfIn PDF document text
  • http://zhouzhuanx.com/v15/Upload/file/2021822107189836.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9dcc6861dc---webivepopakexiduwulap.pdfIn PDF document text
  • http://ausafe.net/images/art/files/nejixewej.pdfIn PDF document text
  • http://celcg.pl/uploaded/file/79090670847.pdfIn PDF document text
  • http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/6gqupjk0j6et3van43gvog43gk/32005083334.pdfIn PDF document text
  • http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c00255b3a87---kizekepugaruwusadomem.pdfIn PDF document text
  • http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9a18c97caa---tinarodiwejef.pdfIn PDF document text
  • http://coinproject.com/userfiles/image/file/88497438668.pdfIn PDF document text
  • http://okuninka-biale.pl/userfiles/file/jupebufedozokotuvomiriw.pdfIn PDF document text
  • https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/5a8c950766462f23b9dd09975348388e/rutowudenibidejitowi.pdfIn PDF document text
  • http://alaskacounseling.org/clients/8/87/870ae3779d21e956d596131c1dd113ff/File/xasuzobigurawekajimek.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=packaging+company+logo+designPDF link annotation
  • https://cakamuzejs.riga.lv/ckfinder/userfiles/files/lunamiratenigofodukikeg.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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