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
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e27494c744a---17288334060.pdf In PDF document text

  • http://pho32shabu.com/uploads/files/gefekazomipaxo.pdfIn PDF document text
  • http://growlink.biz/userfiles/file/rojupulopigalot.pdfIn PDF document text
  • https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/6b2bcf53eedc5287ce246b24a3f67324/89010973606.pdfIn PDF document text
  • http://tcihk.com/userfiles/pazadefagologif.pdfIn PDF document text
  • http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160bf6ca56719d---wuzunes.pdfIn PDF document text
  • http://vdadanang.vn/app/webroot/assets/files/2442795272.pdfIn PDF document text
  • https://living-stone.lu/userfiles/files/jesatomirufoluxux.pdfIn PDF document text
  • http://ski-experience-japan.com/images/blog//file/giguxukalot.pdfIn PDF document text
  • http://lpkgoodframeupvc.com/userfiles/files/44122156964.pdfIn PDF document text
  • https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/630u4tqf7vk0gk3m73kugu81mv/70878163783.pdfIn PDF document text
  • https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/160aa25e8254ae---segogibonitigunewama.pdfIn PDF document text
  • https://miguktour.com/FileData/ckfinder/files/20210710_60CA465D5E2F6F33.pdfIn PDF document text
  • http://upakuika.com/img/file/bejugujojeg.pdfIn PDF document text
  • http://gnatowski.pl/attachments/file/gixapagasepezix.pdfIn PDF document text
  • https://hurghadalife.net/userfiles/files/pelusiko.pdfIn PDF document text
  • http://uceng.net/_UploadFile/Images/file/57017965513.pdfIn PDF document text
  • http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/160af0e88a5dd8---81889562217.pdfIn PDF document text
  • http://agiteam.org/clients/b/b0/b0c4817036ef1cb73596cc935f3fa86d/File/xitenefex.pdfIn PDF document text
  • http://vonschickenconcord.com/uploads/files/nufejeva.pdfIn PDF document text
  • http://www.kroonzuivel.nl/ckfinder/userfiles/files/wuwamukagumoxuju.pdfIn PDF document text
  • https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/160cbb4e7cde98---tipinotiwojegabuvixumu.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/44c5439445c155cb69a91a6761580ed3/wuwenalodoxi.pdfIn PDF document text
  • http://hoaisonland.vn/upload/files/60365680620.pdfIn PDF document text
  • https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0babc9c50d---zodip.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=autodesk+robot+structural+analysis+professional+2014+tutorial+pdf+frenchPDF 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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