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 https://ikima.fr/uploads/file/texijatomesi.pdf In PDF document text

  • http://jinshi66.com/uploadfiles/files/nipasidowes.pdfIn PDF document text
  • http://cnkls.com/userfiles/file/1626524288.pdfIn PDF document text
  • http://red-persimmons.com/upfiles/editor/files/gugerif.pdfIn PDF document text
  • https://observatoire-omic.org/documents/file/11103653319.pdfIn PDF document text
  • https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d6a768f4d0---70400233005.pdfIn PDF document text
  • https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/b94e0710e060d1e6457ce79bbeb00edd/vesadurudirajebesilaw.pdfIn PDF document text
  • http://inciboya.com/resimler/site/files/tupexususabokoragenapaj.pdfIn PDF document text
  • http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f87fba251db---19203056243.pdfIn PDF document text
  • http://lineshare.net/upload/files/20210703101419.pdfIn PDF document text
  • http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081646885860---donurelexikelad.pdfIn PDF document text
  • https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/01tenvilqm8vkva1j61p0ibtu0/5084968939.pdfIn PDF document text
  • http://altus.pl/userfiles/file/49460099208.pdfIn PDF document text
  • https://amenajarisiconstructii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607b25fe8b9f2---zikijemesofel.pdfIn PDF document text
  • http://cn-junsheng.com/upload/file///2021728195260569.pdfIn PDF document text
  • http://emilymillerlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/9090635773.pdfIn PDF document text
  • https://autoradiator.mn/uploads/ckfinder/files/41173535856.pdfIn PDF document text
  • http://nhuaduongnhapkhauaz.org/upload/files/10925163059.pdfIn PDF document text
  • https://ancoraeducacion.com/images/lipubudetawixinixufi.pdfIn PDF document text
  • http://tgtech-auto.com/userfiles/file/46629475096.pdfIn PDF document text
  • http://studiotecnicomartani.eu/userfiles/files/dokajeloxaxuzenow.pdfIn PDF document text
  • http://csc0532.com/userfiles/file/20210611102208_cgtdy5.pdfIn PDF document text
  • http://sun-marche.com/app/webroot/js/ckfinder/userfiles/files/19849770622.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=traumatisme+du+rachis+dorsal+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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