Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://tsraccountants.nl/mailing/images/photo/file/79737829770.pdf In PDF document text

  • https://kaplaitalia.it/userfiles/files/11483713103.pdfIn PDF document text
  • https://nexapos.com/upload/files/7046609018.pdfIn PDF document text
  • https://lesura.net/userfiles/file/85059049742.pdfIn PDF document text
  • https://ichapps.com/ichapps/ckeditor-ckfinder-integration/uploads/files/7294970045.pdfIn PDF document text
  • https://calendarsunrooms.com/userfiles/files/vunutegigav.pdfIn PDF document text
  • https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/eq0j2c8vesgki8erf0lt1i6ja5/nidesexujodufu.pdfIn PDF document text
  • https://arbormaster.net/uploads/files/67142371451.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613301a731127---91759778369.pdfIn PDF document text
  • http://bidwoodmachine.com/d/files/jamadinakitenibapidubo.pdfIn PDF document text
  • http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/jjhimqjsapn2o4f6v54075pe5j/getenonuritojuxiseni.pdfIn PDF document text
  • http://aallergy.friend-match.com/upload/files/zuxawixok.pdfIn PDF document text
  • http://easternhoteljeju.com/FileData/ckfinder/files/20210901_3CFA9BF29D9E5ED9.pdfIn PDF document text
  • https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137288ed5ec6---85251855963.pdfIn PDF document text
  • http://ericshartman.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/20728648442.pdfIn PDF document text
  • http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/1614138a259bfe---zolip.pdfIn PDF document text
  • http://schodylux.pl/userfiles/file/dulajafelabupituzonum.pdfIn PDF document text
  • https://www.db-ynox.fr/ckfinder/userfiles/files/76505379883.pdfIn PDF document text
  • https://sealskinz.ru/files/file/mowamitizus.pdfIn PDF document text
  • http://timeyear-v.com/userfiles/file/98050228013.pdfIn PDF document text
  • http://vinhthuan.com/upload/files/86144327138.pdfIn PDF document text
  • https://motodubai.com/uploaded_images/files/riditijewej.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=android+missed+call+reminderPDF link annotation
  • https://mediacentre.heathrow.com/js/ckfinder/userfiles/files/nazageposofagekibeline.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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