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://tomekorea.com/userData/board/file/92987657359.pdf In PDF document text

  • http://cpviettin.com/upload/files/79996448325.pdfIn PDF document text
  • http://theprojectmanagement.guru/cote_dor_import/admin/ckfinder/userfiles/files/kusoxe.pdfIn PDF document text
  • https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134d570e066f---wozig.pdfIn PDF document text
  • http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138fc282d445---diferemexozames.pdfIn PDF document text
  • http://autosvanbeek.nl/mindcms/js/ckf/userfiles/files/musetov.pdfIn PDF document text
  • https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/ea61qe4hdb99fhsst6mepq1p43/vupozakojo.pdfIn PDF document text
  • http://rothemtour.com/FileData/ckfinder/files/20210904_F6FF9F808089F3B1.pdfIn PDF document text
  • http://rydelko.eu/userfiles/file/95213503855.pdfIn PDF document text
  • http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16136d9be9de8e---gujinad.pdfIn PDF document text
  • http://taketty.xyz/js/ckfinder/userfiles/files/37799330775.pdfIn PDF document text
  • https://www.kiemtoandongnghi.com/public/plugins/ckfinder/userfiles/files/24415730341.pdfIn PDF document text
  • http://ellissi.org/userfiles/files/49212126417.pdfIn PDF document text
  • http://elistaprezentow.pl/userfiles/file/99055410042.pdfIn PDF document text
  • https://maintogelonline.bet/contents/files/winib.pdfIn PDF document text
  • https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/f87ecda14072c051faaeaa88b25f847c/97186426292.pdfIn PDF document text
  • http://nsmpublicschool.org/slbdavbatala/userfiles/file/85264781756.pdfIn PDF document text
  • https://ribaczpeter.hu/files/file/93674136541.pdfIn PDF document text
  • https://styliststudios.com/imagesTE/file/37865179910.pdfIn PDF document text
  • http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/46d95102fd7fd15a374a7d4bf244902e/4738526637.pdfIn PDF document text
  • http://amsasecretariat.fr/userfiles/file/22061358793.pdfIn PDF document text
  • https://gionggiacam.com/ckfinder/userfiles/files/80186020673.pdfIn PDF document text
  • http://w.scenekunstskolen-efteruddannelsen.dk/ckfinder/userfiles/files/dibajenonoduvumitabusi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=mi+box+s+launcherPDF 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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