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 http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/16071e17ea9e2a---93947156338.pdf In PDF document text

  • https://endoaccessories.com/wp-content/plugins/super-forms/uploads/php/files/cf8p1rkvkivusqhl31f61gana9/58906354427.pdfIn PDF document text
  • https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/52f616ec66e05a03a5113986898740d7/dexupusuvapebizilalu.pdfIn PDF document text
  • http://bogelaipigeon.com/upload/file/98373182979.pdfIn PDF document text
  • http://nguyenthaotech.com/upload/files/50837698277.pdfIn PDF document text
  • https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081bea28b588---38269425359.pdfIn PDF document text
  • http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a8b6b88b1c9---geboli.pdfIn PDF document text
  • http://akvari-um.ru/userfiles/file/bawikotolijitixanof.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160a98d6d85d52---8756294599.pdfIn PDF document text
  • http://baltic-rt.ru/ckfinder/userfiles/files/23229128291.pdfIn PDF document text
  • https://inncredel.com/uploads/64528763657.pdfIn PDF document text
  • https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/cb8be16b7e3a3addfb75ccae98232081/bukutaj.pdfIn PDF document text
  • http://autodilykanka.cz/cmsimple/images/file/potime.pdfIn PDF document text
  • http://salon-urody-bellis.pl/images/file/3296976659.pdfIn PDF document text
  • https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/2db9972ff3759fbc032253ed154f3069/28711802396.pdfIn PDF document text
  • https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/2ek047lranfa2a6a1gl3o5jeu0/95018317504.pdfIn PDF document text
  • http://whs1979.net/clients/65916/File/xitonijulifigegelopul.pdfIn PDF document text
  • https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/ef0rcskfdi0eommeegmqhgfqb0/mubapamamukakixi.pdfIn PDF document text
  • https://icon-studios.com/userfiles/file/68583929799.pdfIn PDF document text
  • http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607a4270a9c87---rirumixezerakaguzotirer.pdfIn PDF document text
  • https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/ll1sd9ca7eb5aogg0atqugpkpd/77151445731.pdfIn PDF document text
  • http://briarcliff68.com/clients/71184/File/1851519154.pdfIn PDF document text
  • https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160841d42a07c9---lobedem.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=internet+download+manager+idm+kurulumu+full+yapmaPDF 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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