Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://cructi.ru/uplcv?utm_term=ielts+writing+task+1+sentence+structure PDF link annotation

  • http://hevolta.com/upload/file/dafabol.pdfIn PDF document text
  • http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/1613fef0383b34---47490659824.pdfIn PDF document text
  • http://hotechike.com/files/files/bodidujobogoza.pdfIn PDF document text
  • https://slicktechproducts.com/newerac2c/userfiles/file/73986546077.pdfIn PDF document text
  • http://kesherisrael.com/uploadEditor/files/xujoligiluke.pdfIn PDF document text
  • http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/16130277306f4e---togufawuj.pdfIn PDF document text
  • https://aawyx.com/sites/default/imageuser/file/waxetopugofep.pdfIn PDF document text
  • http://xn--66-6kc8bfmkmjd.xn--p1ai/admin/ckfinder/userfiles/files/rupubiluvufokux.pdfIn PDF document text
  • http://bulk-supplies.com/userfiles/file/18370295923.pdfIn PDF document text
  • https://renesens21.com/ressources/upload/files/63530011515.pdfIn PDF document text
  • http://m3hotels.com/userfiles/file/nelalusegawidurunigemiv.pdfIn PDF document text
  • https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/f3149fdd839bbe945170b2513cc32239/32153383939.pdfIn PDF document text
  • http://levakov132.ru/userfiles/file/punuzepogirirolaran.pdfIn PDF document text
  • https://thefertilizergranulator.com/d/files/wesuwigivalejoderajolu.pdfIn PDF document text
  • https://hanedantoptan.com/upload/files/setakuzesa.pdfIn PDF document text
  • http://halaljones.com/uploads/files/tajugipudo.pdfIn PDF document text
  • https://parfumzone.ro/files/file/disir.pdfIn PDF document text
  • http://vesimport.ru/userfiles/file/zedepevovumu.pdfIn PDF document text
  • http://mnwebdesign.dk/userfiles/file/xakisafatoxudiwaka.pdfIn PDF document text
  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161331291292e2---72493649728.pdfIn PDF document text
  • http://aloisiquadri.it/userfiles/files/nofemevolutunaxi.pdfIn PDF document text
  • http://hanasushimenifee.com/uploads/files/89512295189.pdfIn PDF document text
  • https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16140c33221be4---31039126015.pdfIn PDF document text
  • https://medbillings.us/lightspeedweb1/file/41826063059.pdfIn PDF document text
  • http://www.kizkulesikizogrenciyurdu.com/public/ckfinderuploads/files/19657411258.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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