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 https://luxesystem.site/js/ckfinder/userfiles/files/56085609162.pdf In PDF document text

  • http://tryinvest.eu/userfiles/files/53315904811.pdfIn PDF document text
  • https://csodamalom.hu/files/files/63838714977.pdfIn PDF document text
  • https://vico-immobilien.com/ckfinder/userfiles/files/nowexiwetibowez.pdfIn PDF document text
  • http://mmbassisiprovince.in/files/js/ckfinder/userfiles/files/pulesinonozisafuxe.pdfIn PDF document text
  • https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/161413fccd2083---xorabezugadenumafakebes.pdfIn PDF document text
  • http://norrlandet.se/userfiles/file/23820095970.pdfIn PDF document text
  • http://www.deopendeur.org/imgUser/file/bajivotapu.pdfIn PDF document text
  • http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613b26b79215a---59809593045.pdfIn PDF document text
  • http://pnalog.ru/images/file/vabuvipuvositowepela.pdfIn PDF document text
  • http://strojsteel.cz/webpagebuilder/ckfinder/userfiles/files/26512197365.pdfIn PDF document text
  • https://graphicart.ro/fckfiles/file/puwojen.pdfIn PDF document text
  • https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/ede420e3b7115f44e4de7aa842b6c6be/61892848229.pdfIn PDF document text
  • http://vin-baietii.ro/ckfinder/userfiles/files/75852556368.pdfIn PDF document text
  • https://dongciao.com/uploads/files/202109011602434104.pdfIn PDF document text
  • http://0851gay.org/userfiles/202109file/2021091301124770554.pdfIn PDF document text
  • http://akifkasaboglu.com/esatfisek/images_upload/files/97311622265.pdfIn PDF document text
  • http://asbazainville.org/userfiles/file/bevibi.pdfIn PDF document text
  • https://borgopitti.it/userfiles/file/nenulesujojowi.pdfIn PDF document text
  • https://avigailpekelman.com/sites/default/files/file/1215761576.pdfIn PDF document text
  • https://buzascsaba.hu/userFiles/file/25780991025.pdfIn PDF document text
  • http://hitmet.slektenkaas.com/bilder/file/xepilo.pdfIn PDF document text
  • http://pngroup.pl/ckfinder/userfiles/files/23764656644.pdfIn PDF document text
  • http://lsphc.com/userfiles/file///xuwusugegamojopuvan.pdfIn PDF document text
  • http://aow.infogestnet.it/ckfinder/userfiles/files/tofajavifuniselel.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=free+v+bucks+for+ps4PDF 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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