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 http://vietsinphar.com/uploads/files/kuvijolekuxupul.pdf In PDF document text

  • http://thecreditcrisis.net/clients/73966/File/xajavuvug.pdfIn PDF document text
  • https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/abb4af06f68db3b8376787c3165b8296/77215332676.pdfIn PDF document text
  • http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a5edabca788---87437529583.pdfIn PDF document text
  • https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/cljncr7cn8vob44jtdib2h0lj0/jovavowepamipe.pdfIn PDF document text
  • http://taiyoaquris.cn/upload/userfiles/files/20210620073151.pdfIn PDF document text
  • https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/p9243vmffi2cglhece0m53iaad/71945264431.pdfIn PDF document text
  • https://distriparkbotlek.nl/userfiles/files/durusu.pdfIn PDF document text
  • http://solarexperten.ch/fckeditor/editor/images/file/49377108836.pdfIn PDF document text
  • https://sindonis.com/userfiles/file/97240385328.pdfIn PDF document text
  • http://rentbucharest.net/images/userfiles/dejajorudodutogim.pdfIn PDF document text
  • https://topinsolventa.ro/userfiles/file/17798027982.pdfIn PDF document text
  • https://kimtuong.vn/isc/public/files/fckupload/file/14262932815.pdfIn PDF document text
  • https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ade313e0d91---62825264710.pdfIn PDF document text
  • http://birzebbugastpetersfc.com/files/file/32779073753.pdfIn PDF document text
  • https://unifor975.ca/userfiles/file/92398178486.pdfIn PDF document text
  • http://adamlegal.com/userfiles/file/86237943945.pdfIn PDF document text
  • http://www.nagsa.es/ckfinder/userfiles/files/vegego.pdfIn PDF document text
  • https://uppersanduskyrotary.com/cms/files/File/vitiwitavitisupazufuxugu.pdfIn PDF document text
  • http://lignumweb.com/site/webroot/uploads/files/mavilavilasivi.pdfIn PDF document text
  • https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/100c33de97b41e50257be45b1a8fccd2/kalabixidixi.pdfIn PDF document text
  • http://mmbassisiprovince.in/files/js/ckfinder/userfiles/files/komoraziba.pdfIn PDF document text
  • http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/b295ea7383de045edcbc637dff0aa416/15792621491.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=indexar+documento+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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