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://medvor.ru/uplcv?utm_term=how+to+play+gba+on+android PDF link annotation

  • https://neksav.com/upload/ckfinder/files/puvejuxikojawoge.pdfIn PDF document text
  • https://stonebuild.bg/f/uploads/files/579838628.pdfIn PDF document text
  • https://aldwalia.com/userfiles/files/bipafojixi.pdfIn PDF document text
  • http://sosonomo.com/ckfinder/userfiles/files/80245942670.pdfIn PDF document text
  • http://niengrangchuyensau.com/upload/contentFile/file/bopepu.pdfIn PDF document text
  • http://ghibms.com/userfiles/files/nexodov.pdfIn PDF document text
  • http://xn----7sbjvweekof5d.xn--p1ai/files/files/gajuxogixoveronupot.pdfIn PDF document text
  • https://volandovia.it/public/fileeditor/file/40701016548.pdfIn PDF document text
  • http://cecev.com/stockages/files/93741779293.pdfIn PDF document text
  • http://smarttechsolutionukltd.com/uploaded_files/userfiles/files/birow.pdfIn PDF document text
  • https://skvely-kup.cz/files/file/zotukukavavawutafe.pdfIn PDF document text
  • http://abacusnancy.com/userfiles/file/xonumijubaxulinekibe.pdfIn PDF document text
  • https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613db77a7371b---68878648203.pdfIn PDF document text
  • http://xn----7sbakif2a3azdub.xn--p1ai/admin/ckfinder/userfiles/files/xopusotalolefoxe.pdfIn PDF document text
  • http://sdhmladavozice.cz/userfiles/file/86340210944.pdfIn PDF document text
  • http://willettelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/rakefimunulod.pdfIn PDF document text
  • https://agro-zavod.ru/app/webroot/js/ckfinder/userfiles/files/15693174287.pdfIn PDF document text
  • http://thelifelesson.net/home/tappingchanges/public_html/dowalumniusa/ckfinder/userfiles/files/mipajux.pdfIn PDF document text
  • http://shinaval.ru/userfiles/file/43271628694.pdfIn PDF document text
  • https://taipeitccia.org/CKEdit/upload/files/lelavulotusobavop.pdfIn PDF document text
  • http://kimwendelldesign.com/ckfinder/userfiles/files/wedasuzosiluloxijinig.pdfIn PDF document text
  • https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/a80c3c311059ee5016520f9ccc4f9f7b/13471945555.pdfIn PDF document text
  • https://ms01bet.net/contents/files/wepaw.pdfIn PDF document text
  • https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135ba01e9054---43998186049.pdfIn PDF document text
  • https://chambres-hotes-aube-bleue.fr/userfiles/file/23718569387.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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