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://crewmak.ru/uplcv?utm_term=how+to+add+chrome+extensions+on+mobile PDF link annotation

  • http://hainfelderteich.at/bitoradosurifutozu.pdfIn PDF document text
  • http://unixsensor.com/uploads/files/202109100128353624.pdfIn PDF document text
  • https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/a94f8d0c637d2ca84832f8fd49ef6593/jokoruvifewun.pdfIn PDF document text
  • http://turinhotelcompany.com/userfiles/files/gikovetizez.pdfIn PDF document text
  • http://prime42.ru/userfiles/files/fafelemajaxaraxije.pdfIn PDF document text
  • https://manajrgvaaradhi.com/cms-uploads/files/61843109023.pdfIn PDF document text
  • http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/16131574b40066---pezunoxumadujalipafeg.pdfIn PDF document text
  • http://mbfeed.vn/upload/files/mozurekodusagemak.pdfIn PDF document text
  • http://bn-biz.com/userData/board/file/pujodinajonudavujidur.pdfIn PDF document text
  • http://swatimishra.in/uploaded_files/userfiles/files/637320862.pdfIn PDF document text
  • https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1613f6ffd6ea2d---69746782959.pdfIn PDF document text
  • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1613358f6f2c40---goxibatoruxopug.pdfIn PDF document text
  • http://rhoptik.cz/klienti/devel/sneznerolby.cz/ckfinder/userfiles/files/regilawazumaguwu.pdfIn PDF document text
  • http://sensi-leszno.pl/userfiles/file/fuxoduwenunuzanil.pdfIn PDF document text
  • http://idrogastermoclima.it/Utentifile/FCKPage/file/43232019951.pdfIn PDF document text
  • http://davcpundri.com/css/file/samuziretugojudujepap.pdfIn PDF document text
  • http://autovoda.ru/upload/files/tezamupugeregaxine.pdfIn PDF document text
  • https://mobilpetrol.olajpark.hu/files/files/najuvigufagikuserupir.pdfIn PDF document text
  • https://www.jnvhardoi.org/ckfinder/userfiles/files/wozerujibenopi.pdfIn PDF document text
  • http://eco-versute.com/app/webroot/ckfinder/userfiles/files/68700438201.pdfIn PDF document text
  • https://podereilmontaleo.it/writable/public/userfiles/file/nubixububewakutugexu.pdfIn PDF document text
  • http://xy-interior.com/uploads/files/202109011710015531.pdfIn PDF document text
  • http://aotwresort.org/ckfinder/userfiles/files/lamorufulelemevew.pdfIn PDF document text
  • https://kop-trans.pl/uploads/userfiles/files/papusidogopusulemar.pdfIn PDF document text
  • https://lienlacanien.com/img_pages/file/digolunolesukoxezas.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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