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://huntic.ru/uplcv?utm_term=ph%E1%BA%A7n+m%E1%BB%81m+chuy%E1%BB%83n+%C4%91%E1%BB%95i+t%E1%BB%AB+pdf+sang+jpg PDF link annotation

  • https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/7h957m57esdpnalt85mtevdkuo/33150252063.pdfIn PDF document text
  • http://perchegouet.com/ckfinder/userfiles/files/bozamakupivibusofokiduwow.pdfIn PDF document text
  • http://mirandatutoringcentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608ceb9d7b99c---dusal.pdfIn PDF document text
  • http://windowsplusllc.com/ckfinder/userfiles/files/52181173983.pdfIn PDF document text
  • http://skogsformedling.se/bilder_umeny/File/81115605316.pdfIn PDF document text
  • https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a73b8a7c8c---fateduxireka.pdfIn PDF document text
  • https://lensmam.com/userfiles/file/57254160799.pdfIn PDF document text
  • https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16086f9117d14b---bugowufizeg.pdfIn PDF document text
  • http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160ae920762935---mizemibe.pdfIn PDF document text
  • http://waterlootour.com/FileData/ckfinder/files/20210901_DCF317F5AC178C72.pdfIn PDF document text
  • https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d74d525727e---mukiwarorilijepizodu.pdfIn PDF document text
  • http://grappin-annat-como.com/userfiles/grappin-annat-como.com/file/96339122801.pdfIn PDF document text
  • https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607710291895e---60026010362.pdfIn PDF document text
  • http://travelport.pl/userfiles//file/68810533296.pdfIn PDF document text
  • http://jfe.hk/userfiles/lodabojafogalatozidow.pdfIn PDF document text
  • http://www.deopendeur.org/imgUser/file/10068635414.pdfIn PDF document text
  • https://nusantarabet4d1.com/contents//files/85427205108.pdfIn PDF document text
  • http://mpwlawpa.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/wurazufefilaf.pdfIn PDF document text
  • http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16111b5afb0bc9---kagupop.pdfIn PDF document text
  • http://ladyqueen.it/userfiles/files/kexewug.pdfIn PDF document text
  • https://relaxbotanika.cz/ckfinder/userfiles/files/70958212572.pdfIn PDF document text
  • https://haysalon.com/public_html/userfiles/file/kukujuzatexu.pdfIn PDF document text
  • http://polletnv.be/uploads/files/19423456838.pdfIn PDF document text
  • http://tsg-edinstvo.ru/userfiles/file/zakepolikawirirozenik.pdfIn PDF document text
  • http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a954e4d22ba---10558846573.pdfIn PDF document text
  • http://arsvet.ru/img/upload/63299320231.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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