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
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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://queure.ru/uplcv?utm_term=galaxy+s10e+vs+iphone+12+mini PDF link annotation

  • http://tofuyatogo.com/uploads/files/91485991705.pdfIn PDF document text
  • http://mstreatmentadvances.com/userfiles/files/2391837677.pdfIn PDF document text
  • http://skrutit-probeg.ru/upload_picture/file/zezomenisavuv.pdfIn PDF document text
  • http://rhondachem.com/d/files/54393365320.pdfIn PDF document text
  • http://phanmemerp.vn/attachment/files/42744375031.pdfIn PDF document text
  • https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613821c8b9508---92828649956.pdfIn PDF document text
  • http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135e08e4b2e4---55586144436.pdfIn PDF document text
  • http://plan.msu.ac.th/ckfinder/userfiles/files/90569928781.pdfIn PDF document text
  • http://nuklearmedizin-amro.de/userfiles/file/47748284657.pdfIn PDF document text
  • https://franciscojaviermoreno.com/DocsCKeditor/files/67062854452.pdfIn PDF document text
  • http://haliburtonhighlandsheritage.ca/userfiles/file/fetutan.pdfIn PDF document text
  • http://bonezi.morefriendship.com/upload/files/40271844120.pdfIn PDF document text
  • http://wideanglepackaging.com/ckfinder/userfiles/files/12689261731.pdfIn PDF document text
  • http://xn--42-jlclgg6a3e.xn--p1ai/userfiles/file/2182418794.pdfIn PDF document text
  • http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16142fb974e2df---moveditesazakegopagused.pdfIn PDF document text
  • http://dominoliberec.eu/images/file/files/nepuxazenev.pdfIn PDF document text
  • http://kanchanaspa.com/ckfinder/userfiles/files/73381857204.pdfIn PDF document text
  • http://acsalma.hu/userfiles/files/39207449061.pdfIn PDF document text
  • https://ukmalayalamnews.com/userfiles/file/liramajibiluvok.pdfIn PDF document text
  • http://www.tobywells.org/media/fckdir/file/xaxagukanugeku.pdfIn PDF document text
  • http://studiotecnicopinto.it/userfiles/files/jopowajixadogubazuj.pdfIn PDF document text
  • http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137e0da0bb6b---7143836428.pdfIn PDF document text
  • http://northmarking.com/userfiles/files/duzininigudez.pdfIn PDF document text
  • http://handgun.ee/media/file/rered.pdfIn PDF document text
  • http://top-caster.com/userfiles/file/3496174545.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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