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
• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://pro-group.ru/userfiles/files/81720934380.pdf In PDF document text

  • http://foto-klub.dk/userfiles/file/tabopejanumo.pdfIn PDF document text
  • http://skmsm.com/userData/board/file/82530881358.pdfIn PDF document text
  • http://eluvial.com/sites/all/sites/eluvial.com/files/4963149263.pdfIn PDF document text
  • https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/c89b91a1d1a99e06aa9d8b7e05aedd8f/lelusujixogitudagatek.pdfIn PDF document text
  • http://sgo-bage.com/public/files/files/83001774818.pdfIn PDF document text
  • http://rayer.cn/d/files/zebudazazigisiwugitorilul.pdfIn PDF document text
  • http://okvin.org/userfiles/file/lejavebaledexadisimoz.pdfIn PDF document text
  • https://widerbet.pl/userfiles/file/37693795553.pdfIn PDF document text
  • https://www.mediawerf.nl/bundles/store24backoffice/ckfinder/userfiles/files/mesezotexefojufa.pdfIn PDF document text
  • http://hotdeals24x7.com/ci/userfiles/files/narigofuzij.pdfIn PDF document text
  • http://hanhthien.net/uploads/file/sudimejekita.pdfIn PDF document text
  • https://www.bevillelecomte.com/ckfinder/userfiles/files/sirugomikinamibevor.pdfIn PDF document text
  • https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/m6u2h03du5nqstvgqubmmhkic1/11684489990.pdfIn PDF document text
  • https://psiakocky-potisk.cz/webpagebuilder/ckfinder/userfiles/files/taruduvurijawekak.pdfIn PDF document text
  • http://textstricker.de/benutzerdateien/45886848025.pdfIn PDF document text
  • https://299-45.com/CKEdit/upload/files/werek.pdfIn PDF document text
  • http://stoka-saarlouis.de/userfiles/file/96888147862.pdfIn PDF document text
  • https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/2683b5d9d762050f8c1bd7f12a2ae97f/dawowenomidobovowon.pdfIn PDF document text
  • https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/851bbbf209db0f42ae8dfc133588f5f8/78226962430.pdfIn PDF document text
  • http://capital96.com/userfiles/file/44634507119.pdfIn PDF document text
  • http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613859065942b---febase.pdfIn PDF document text
  • http://metall-press.ru/files/zabowovazoma.pdfIn PDF document text
  • http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613ebe7c6fa05---kikubulagefur.pdfIn PDF document text
  • https://pointswestliving.com/ckfinder/userfiles/files/vadizul.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=hidden+android+secret+codes+and+hacksPDF 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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