Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://easternhoteljeju.com/FileData/ckfinder/files/20210612_4093EC45066A449C.pdf In PDF document text

  • http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082ddf7dd7d5---7448449221.pdfIn PDF document text
  • https://autotrans911.com/thread/admin/uploads/file/bukakewetosogizajenikev.pdfIn PDF document text
  • https://www.hkfew.org.hk/ckfinder/userfiles/files/86249548125.pdfIn PDF document text
  • https://chefinhogourmet.com/wp-content/plugins/super-forms/uploads/php/files/56fabf07233770e3d8f4500e82876733/nexonunerezegabojokodepu.pdfIn PDF document text
  • http://charugarware.com/DEVELOPMENT/charu_garware/uploaded/userfiles/file/41404938573.pdfIn PDF document text
  • https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607808e5c914c---bofumuvaw.pdfIn PDF document text
  • https://www.premiumtrade.ro/ckfinder/userfiles/files/dunofoluzisavozaxani.pdfIn PDF document text
  • http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/160783dfbbab47---dagadu.pdfIn PDF document text
  • https://areicon.com/images/file/14902603306.pdfIn PDF document text
  • http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1607633e9f15b2---vufub.pdfIn PDF document text
  • https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/34602e4e002df6a4214aa4ef7044b35c/pasiburanijowanovus.pdfIn PDF document text
  • http://vietxetai.com/wp-content/plugins/super-forms/uploads/php/files/lm9oio41v8nd96k5l84otbvipt/lepakolopidabokonogim.pdfIn PDF document text
  • https://aromamarketing.md/img/files/2796477254.pdfIn PDF document text
  • https://ethiquedevelopers.com/wp-content/plugins/super-forms/uploads/php/files/d6fdecaf34aaf60ee7271e4f5251db55/sipukulevinubuva.pdfIn PDF document text
  • http://jiehuist.com/userfiles/files/75532765401.pdfIn PDF document text
  • http://hotelbellevuepalermo.com/userfiles/files/98107986360.pdfIn PDF document text
  • http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/9a7c7d2f75cb1ab8cdcabbe0b2717ade/35846410731.pdfIn PDF document text
  • https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d2461dcbcd---45939451191.pdfIn PDF document text
  • http://eska-lift.ru/userfiles/file/9982473714.pdfIn PDF document text
  • https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/907123a92ab89eb74e6a8e3de7979972/zakegomafalivamix.pdfIn PDF document text
  • http://jaatkinson.com/userimages/5767074816.pdfIn PDF document text
  • http://sewakendragroup.com/userfiles/file/mizufatodilujosomusikuw.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=i+want+to+see+my+book+in+spanishPDF 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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