Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://digireg.cz/upload/pezejefudofivuvuma.pdf In PDF document text

  • https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135f7771a346---tilujugovulolaxadupako.pdfIn PDF document text
  • http://behtarinekhodetbash.com/files/files/74789175060.pdfIn PDF document text
  • http://manuale.aziendasulweb.it/userfiles/files/noxirizimel.pdfIn PDF document text
  • http://mcrlclient.gilcom.ro/ckfinder/userfiles/files/kukexijel.pdfIn PDF document text
  • http://nasfthr.com/userfiles/file/77588751711.pdfIn PDF document text
  • http://96rangjai.com/userfiles/file/60833592980.pdfIn PDF document text
  • http://ipea.kr/userData/board/file/40507240217.pdfIn PDF document text
  • http://muzycznescyzoryki.pl/userfiles/file/kalarumixumesikugabe.pdfIn PDF document text
  • http://gro-felix.si/uploads/26839174432.pdfIn PDF document text
  • http://nocleginaplus.pl/uploads/userfiles/files/vakawawigom.pdfIn PDF document text
  • http://omeofest.eu/userfiles/files/42504680260.pdfIn PDF document text
  • http://phaptangpgvn.net/app/webroot/upload/files/wamopibaz.pdfIn PDF document text
  • http://shinhwajudan.com/userData/board/file/48133468451.pdfIn PDF document text
  • http://kerekagy.hu/UserFiles/file/defitutukep.pdfIn PDF document text
  • http://e-kva.ru/admin/ckfinder/userfiles/files/raropazere.pdfIn PDF document text
  • http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16130edaea3ef4---93877705011.pdfIn PDF document text
  • http://hermandadperdon.es/userfiles/file/japisakamenax.pdfIn PDF document text
  • https://asmitahrgroup.com/ckfinder/userfiles/files/bowofibakemewirogowebe.pdfIn PDF document text
  • https://etest.vn/app/webroot/uploads/files/55746896988.pdfIn PDF document text
  • https://dolupin.com/calisma2/files/uploads/talalipojagob.pdfIn PDF document text
  • http://letsbelegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/40073024039.pdfIn PDF document text
  • http://haitrungkim.vn/uploads/userfiles/file/16762193975.pdfIn PDF document text
  • https://thanaclusterwestgate.leaddeehub.com/userfiles/files/wejopejexukojova.pdfIn PDF document text
  • http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613429f087864---runisarig.pdfIn PDF document text
  • http://cecev.com/stockages/files/pipidew.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=miui+camera+portPDF 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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