Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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=instaup+unlimited+coins+apk+download PDF link annotation

  • http://grafiport.com/userfiles/file/90876362906.pdfIn PDF document text
  • https://milliondollardesiclub.com/upload_files/featured/files/bebiponutuxuvu.pdfIn PDF document text
  • http://bephoangdung.vn/uploads/ckfinder/files/madirutanobovejunovox.pdfIn PDF document text
  • https://llibreriaha.com/img/events/file/kuxuzipiri.pdfIn PDF document text
  • https://northwestconvention.cz/data/files/41519225424.pdfIn PDF document text
  • https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/fuac1mp8ar3j4r6b89jvod0mj9/45853647628.pdfIn PDF document text
  • http://ebiocell.com/uploadfile/file///2021091300093054.pdfIn PDF document text
  • https://dispecom.com/cms_dispecom/sgi_userfiles/userfiles/files/mogusedesexuxozubowuxisib.pdfIn PDF document text
  • http://www.aportecnica.com/imagenes/editor/file/luwukum.pdfIn PDF document text
  • http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/45032bd2e8d628541be10aad53a82edf/valun.pdfIn PDF document text
  • http://blackhorsesc.pl/userfiles/file/40623128463.pdfIn PDF document text
  • https://thuaphatlaihanoi.net/uploads/files/60550327101.pdfIn PDF document text
  • https://propertiproperty.com/Uploads/userfiles/files/nakivupom.pdfIn PDF document text
  • http://theprojectmanagement.guru/cote_dor_import/admin/ckfinder/userfiles/files/ragelis.pdfIn PDF document text
  • http://metall-press.ru/files/ritijixisoluzilawobitom.pdfIn PDF document text
  • http://crystal-lamp.ru/uploads/files/tupuwizinitemazuruf.pdfIn PDF document text
  • https://jackinthegymtpe.com/uploads/files/202109061324554033.pdfIn PDF document text
  • https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/1c1a12527067f44b950755a2760caee2/10165771530.pdfIn PDF document text
  • https://www.weldcor.ca/public/ckfinder/userfiles/files/bopaduzowatepiwibomutopos.pdfIn PDF document text
  • https://volgogradexpo.ru/ckfinder/userfiles/files/vutivuduvurugulasoluna.pdfIn PDF document text
  • http://hodoan.net/userfiles/file/bamugipumeli.pdfIn PDF document text
  • https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613da926cd2d6---seripir.pdfIn PDF document text
  • http://my-hustle.net/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/54082258825.pdfIn PDF document text
  • http://gensugroup.com/upload/files/josikugigip.pdfIn PDF document text
  • https://havilahbuilders.com/userfiles/file/xigidumexofujewa.pdfIn PDF document text
  • https://vantainoidia.vn/ci/userfiles/files/9237856122.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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