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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://infrive.ru/uplcv?utm_term=paleolithic+people+first+used+tools+made+of PDF link annotation

  • http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089cee7c3f3d---vekatuzusifuzadinoviji.pdfIn PDF document text
  • https://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/bd72a76ef85b544eb739773041f0954d/77321548634.pdfIn PDF document text
  • https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/40ae31ec1a54fb1145cabb53768284c6/zarenamufusav.pdfIn PDF document text
  • http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1608c87e66789a---wipal.pdfIn PDF document text
  • http://usaoxin.com/userfiles/2021-5/file/71889586184.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/edtc3h080b64csfih8bmchetv7/16104458756.pdfIn PDF document text
  • http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/df8cc0e3ff7363fce6812b2d6515277d/32304118424.pdfIn PDF document text
  • http://al-farh-iq.com/upload/userfiles/file/rolomeful.pdfIn PDF document text
  • http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/160772a86b8b40---todaxerovemopuxobiliviv.pdfIn PDF document text
  • http://colegiosantarosa.com/uploads/imagem/file/15638627125.pdfIn PDF document text
  • http://jarosi.hu/files/file/93603791784.pdfIn PDF document text
  • https://takeorders.online/wp-content/plugins/super-forms/uploads/php/files/aceduskfhnl2hr0ja9tpmuvqgi/jujobe.pdfIn PDF document text
  • http://fullx.net/files/kewefi.pdfIn PDF document text
  • http://bjbtrh.com/files/pic/file/kusuwezata.pdfIn PDF document text
  • http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608240bb929c9---12588554736.pdfIn PDF document text
  • http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/02b4a943b62bf33a9abff1fa58c947ae/42257846646.pdfIn PDF document text
  • https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/5nc7ne40eea1tlo8t6si8fdgam/rovulukilafojavudarepu.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/3o5hfs72o07n93hgml2f6k4a51/17863434163.pdfIn PDF document text
  • https://akapacha.com/userfiles/file/govokolinikabepipelirirog.pdfIn PDF document text
  • https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609da62747881---rojukuvukoxuwagijeritigeb.pdfIn PDF document text
  • https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/174db825e113ec44c02748a5053d4ea0/nazalomir.pdfIn PDF document text
  • http://tahi.hu/ckfinder/userfiles/files/xesal.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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