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://www.fred-robin.com/ckfinder/userfiles/files/54396543804.pdf In PDF document text

  • https://ariconium.cz/webpagebuilder/ckfinder/userfiles/files/vifebutuko.pdfIn PDF document text
  • http://e-baze.lv/images/site/file/wapiv.pdfIn PDF document text
  • https://tradingphrases.net/userfiles/files/19577508974.pdfIn PDF document text
  • http://abogarestudio.com/userfiles/file/ratujakakominaxudedolekep.pdfIn PDF document text
  • https://vnsteeldetailing.com/UserFiles/files/14787712553.pdfIn PDF document text
  • http://cameranichietsu.com/luutru/files/53078141193.pdfIn PDF document text
  • http://dynamicyunnan.com/ckfinder/userfiles/files/41645551605.pdfIn PDF document text
  • http://csc0851.com/userfiles/file/20210908200526_odpuc4.pdfIn PDF document text
  • https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130f3a2b473b---44033209416.pdfIn PDF document text
  • https://nichecnk.leaddeehub.com/userfiles/files/jedifajalomobosaz.pdfIn PDF document text
  • http://uticachemical.com/files/upload/files/34711531228.pdfIn PDF document text
  • http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/161376cbe6c69e---nupimusobigijefivobawir.pdfIn PDF document text
  • https://marlin-aquarium.ru/ckfinder/userfiles/files/kifen.pdfIn PDF document text
  • http://airelimpio.mx/img/editor/file/dotilafomubu.pdfIn PDF document text
  • https://jaurrieta.net/USERFILES_JAURRIETA/files/lanapivote.pdfIn PDF document text
  • https://nieruchomosciprzetargi.pl/files/file/99903767288.pdfIn PDF document text
  • http://josquin-capella.de/download/84091057649.pdfIn PDF document text
  • https://peusch.lu/userfiles/files/43732710404.pdfIn PDF document text
  • http://lexuspolymers.com/assets/ckfinder/userfiles/files/rulidojetadibikosewidi.pdfIn PDF document text
  • http://clubsahdianagalati.ro/upload/editor/file/49573771192.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/2c5fa28e088cb8d2eca334a251683481/66580399356.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=redmi+note+9+pro+5g+sri+lankaPDF link annotation
  • https://www.assessment.unibe.ch/app/webroot/js/ckfinder/userfiles/files/sasobusarojad.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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