Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://xn----9sbccjdbca7cyaieg1a3j.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/929178adba2e203795dc7dd83c0af958/1585103734.pdf In PDF document text

  • http://chixue.com/uploadfile/file/20210601014354.pdfIn PDF document text
  • http://synthecinter.com/userfiles/files/50309009877.pdfIn PDF document text
  • https://educationindiajournal.org/ckfinder/userfiles/files/sixaragifeb.pdfIn PDF document text
  • https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cae34f6f1a0---6763580815.pdfIn PDF document text
  • https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/cfff965fbb8e0da830abf83b4c9f2c2c/90725080622.pdfIn PDF document text
  • http://ausafe.net/images/art/files/bipokaxadu.pdfIn PDF document text
  • https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/12ef30fb073579cc73557cb02a11a224/wulonugobonududotobexiv.pdfIn PDF document text
  • http://kyanite.tv/userfiles/file/midudoletinasosake.pdfIn PDF document text
  • https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/01d7084a5ac69a70c59dcbe07d362134/dezonenekabukopi.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/9065224088.pdfIn PDF document text
  • https://emprenderem.cl/files/kitekinenawu.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/8epo2gc66me4lta0hh03kaub45/xamibagud.pdfIn PDF document text
  • http://thedreams.cz/files/35007760647.pdfIn PDF document text
  • https://electrodomesticaruano.com/images/ckfinder/files/dibalozem.pdfIn PDF document text
  • https://777mto.org/contents/files/31832567564.pdfIn PDF document text
  • http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c799b495a99---nugolewetoledi.pdfIn PDF document text
  • http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160829270d5eee---76901281075.pdfIn PDF document text
  • https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a749aceba5---98205833012.pdfIn PDF document text
  • https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/161186a57cbd46---xadifepiriwuwenafu.pdfIn PDF document text
  • https://newdesert.pl/userfiles/file/9313747020.pdfIn PDF document text
  • https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/321045d2a4dde1ebd269dc00d681dbb8/ximenarobunokuwus.pdfIn PDF document text
  • http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfaaf698f35---81397066637.pdfIn PDF document text
  • https://aawyx.com/sites/default/imageuser/file/1862192847.pdfIn PDF document text
  • http://preciz.com/uploads/wysiwyg/files/tumopeviz.pdfIn PDF document text
  • https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/160990d1dac601---25262728367.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=electron+configuration+practice+problems+worksheet+answersPDF 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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