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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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 https://chcial.ru/uplcv?utm_term=tannerite+and+hogs PDF link annotation

  • https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/1613599b7915d6---ralidamuruxapaxofes.pdfIn PDF document text
  • https://indiantiffin4me.com/nbloom/fckuploads/file/tiditumesa.pdfIn PDF document text
  • http://onlinepravenconsultant.com/uploads/wysiwyg/files/7596367249.pdfIn PDF document text
  • https://onlineadda.organicemall.com/ckfinder/userfiles/files/44787512725.pdfIn PDF document text
  • https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/2a2e1ad62644426ed90abdcc4b679f27/bifemarigukalizeved.pdfIn PDF document text
  • http://neonatal-surgery.ru/userfiles/files/48879903389.pdfIn PDF document text
  • http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147d6bb153d3---vavorimajijimixav.pdfIn PDF document text
  • http://tanphatinst.com/vietkiendo/upload/file/32665384681.pdfIn PDF document text
  • http://audidalys.lt/ckfinder/userfiles/files/2910875274.pdfIn PDF document text
  • http://women-for-marriage.com/ckfinder/userfiles/files/38716307463.pdfIn PDF document text
  • https://investincarpathians.eu/app/webroot/media/files/kafodobovutinifegis.pdfIn PDF document text
  • http://2sisaccount.com/userfiles/files/xepivi.pdfIn PDF document text
  • http://szintai.hu/ckfinder/userfiles/files/42765684985.pdfIn PDF document text
  • http://www.mbk-montage.nl/ckfinder/userfiles/files/sepajagesixajab.pdfIn PDF document text
  • http://maristaslardero.es/userfiles/file/61092215652.pdfIn PDF document text
  • https://wecareu.net/ckfinder/userfiles/files/4390597658.pdfIn PDF document text
  • https://ylwlgwadmin.ylwl.cn/upload/files/kanuw.pdfIn PDF document text
  • http://thevalleytrader.com/files/wuralabeluzidoka.pdfIn PDF document text
  • https://brihat-group.com/assets/userfiles/files/topamolomavunu.pdfIn PDF document text
  • http://cpbnatation.fr/fckeditor/userfiles/file/kelodivaxumanurat.pdfIn PDF document text
  • http://wang023spa.com/userfiles/202109file/2021091319150170554.pdfIn PDF document text
  • http://yesilderecine.com/admin/editor_resim/file/11210390731.pdfIn PDF document text
  • https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/bb9q16m9jko2se77qbcuu3fv77/numifubavumituloxawotizef.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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