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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://medvor.ru/uplcv?utm_term=airmen+y+group+previous+year+paper PDF link annotation

  • http://alnoorcity.com/userfiles/file/61277182651.pdfIn PDF document text
  • https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/b36plq53jgpjaempbsq4dsp37i/17726458742.pdfIn PDF document text
  • http://sergey-yushkov.com/pict/file/jomirakolevolujimofemilu.pdfIn PDF document text
  • http://idealhca.com/admin/images/file/32225023418.pdfIn PDF document text
  • http://bbpcosmetics.com/admin/upFiles/2021-5/file/26338547730.pdfIn PDF document text
  • http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16077c9c275ebe---30593901315.pdfIn PDF document text
  • https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/c01bc99645c5e3a82fc5591e2f5bfc80/49399614922.pdfIn PDF document text
  • http://poney-club-romilly-aigre28.fr/userfiles/file/magaxefepusurotedipo.pdfIn PDF document text
  • http://benetalent.com/upload/files/nujabebarakafebikusof.pdfIn PDF document text
  • https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16116fed5e4dd6---68479705469.pdfIn PDF document text
  • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ca2226f072---89341492543.pdfIn PDF document text
  • https://aspaeng.com/files/image/files/fasomi.pdfIn PDF document text
  • http://cokhihoangvinh.com/uploads/userfiles/file/kubekumug.pdfIn PDF document text
  • http://dinskayarealty.ru/media/file/43065139533.pdfIn PDF document text
  • https://bandotrading.com/uploads/file/wowirumaluxatusifozu.pdfIn PDF document text
  • https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/4219b37dabe5fcb29d7b807696638a10/timewirapaju.pdfIn PDF document text
  • http://greenmodels.ru/uploads/files/3345816043.pdfIn PDF document text
  • https://samarpanbharat.org/trila/userfiles/file/72643376463.pdfIn PDF document text
  • http://pelesiuvalymas.lt/i/File/52093575689.pdfIn PDF document text
  • https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1610dbd31f1967---30363894277.pdfIn PDF document text
  • http://blow-w124.com/js/upload/files/daredapopufiremuxowutazun.pdfIn PDF document text
  • https://www.peltonfell.org.uk/ckfinder/userfiles/files/mepobajizafegavuj.pdfIn PDF document text
  • http://alexlunacoach.com/img/editor/file/12514748482.pdfIn PDF document text
  • http://koreaseowon.com/ckupload/files/buxamoduwojopetaxug.pdfIn PDF document text
  • http://frickcontrols.com/uploads/files/84556626586.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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