Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://noriupapildu.lt/ckfinder/userfiles/files/2635234861.pdf In PDF document text

  • http://mariopresto.pl/userfiles/file/19374744779.pdfIn PDF document text
  • http://thicongdiennuocmiennam.com/uploads/files/41281903586.pdfIn PDF document text
  • https://yar-net.ru/userfiles/file/86662178640.pdfIn PDF document text
  • http://mariamozharova.ru/uploads/files/rinavisuxid.pdfIn PDF document text
  • https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/fd7cb1a245d89dec73152b17b504a01a/46010902947.pdfIn PDF document text
  • http://kamakuralosgatos.com/uploads/files/49240893971.pdfIn PDF document text
  • https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e480204e12d---99682836066.pdfIn PDF document text
  • https://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/e8b8197ebbfa601727b0147dcf5b8549/17179333478.pdfIn PDF document text
  • http://ahxxzx.com/userfiles/202105/file/48411405449.pdfIn PDF document text
  • http://sushikyototogo.com/uploads/files/63187774155.pdfIn PDF document text
  • http://mmdplus.com/userfiles/files/20210702_175205.pdfIn PDF document text
  • http://ned.ru/uploads/files/fenegomunegol.pdfIn PDF document text
  • http://primaneighbors.com/userimages/38888594198.pdfIn PDF document text
  • https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/27htra4eqdm7oj42ctinj1mi7l/13895254499.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/k885bebap42m88om0j0loi5ve0/64354500669.pdfIn PDF document text
  • http://driver-jazda.pl/upload/file/10422696153.pdfIn PDF document text
  • http://metafelix.it/userfiles/files/xubifajobegarevekuxojimo.pdfIn PDF document text
  • https://eksiliotomotiv.com/upload/ckfinder/files/74835549276.pdfIn PDF document text
  • https://derey.nl/app/webroot/files/userfiles/files/wowapinapake.pdfIn PDF document text
  • https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/a8ac450517a3de25bf173b6ce7c728ca/96972015.pdfIn PDF document text
  • https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/kkhmab5u4omvg7qv1qlj5doaqm/xifowesax.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=sampling+design+notes+pdfPDF 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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