Malicious PDF — malware analysis report

Heuristics 9

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/221f11b9dbdc1340a59ef794f247b0e7/76658348277.pdf In PDF document text

  • http://haihengpharm.com/upload/files/76445845658.pdfIn PDF document text
  • http://www.gdchgs.com/admin/img/files/89742931654.pdfIn PDF document text
  • http://ulleungroadtour.com/FileData/ckfinder/files/20210909_EABD81BEC138E507.pdfIn PDF document text
  • http://tmkb.org.tr/ckfinder/userfiles/files/91616356072.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ac83fbb436---8598012446.pdfIn PDF document text
  • https://www.jakketoes.be/ckfinder/userfiles/files/86438633556.pdfIn PDF document text
  • https://jagamimpi.org/contents/files/nigexanukusod.pdfIn PDF document text
  • https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/72429bb35b8ccb2f2c695f971119493e/lebaramukuxelo.pdfIn PDF document text
  • http://www.performhabitat.fr/bundles/astadmin/js/ckfinder/userfiles/files/46997224324.pdfIn PDF document text
  • https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/f18075933d38b39b3ca719b8a0f357fc/sitakamuf.pdfIn PDF document text
  • https://www.shamshabaddiocese.org/files/js/ckfinder/userfiles/files/naribukitevavela.pdfIn PDF document text
  • http://zhizhencn.com/filespath/files/20210910042506.pdfIn PDF document text
  • http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/161353dd8b16b2---xurewawalorox.pdfIn PDF document text
  • http://sswjeans.com/files/tulibubokemovejiwadol.pdfIn PDF document text
  • http://wagnerpc.com/userfiles/files/87197375528.pdfIn PDF document text
  • https://foundlight.ca/home/foun6192/public_html/files/custom_files/file/6707211217.pdfIn PDF document text
  • https://maciejabramowicz.pl/upload/files/file/9814598134.pdfIn PDF document text
  • https://twinslock.com/locktactyuma/userfiles/file/nevaxub.pdfIn PDF document text
  • https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/d3635b8b381d531e41f558b7346d52bd/marelijowarupezetijakep.pdfIn PDF document text
  • http://fabriziocar.it/userfiles/files/zigusav.pdfIn PDF document text
  • http://netart.hu/userfiles/file/53835310054.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=minecraft+education+edition+apk+androidPDF 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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