Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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
• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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.
• 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://ckfinder.pamlskovnik.cz/ckfinder/userfiles/files/43094182370.pdf In PDF document text

  • http://mediasingrid.com/js/new/fckeditor/userfiles/file/zorunakovetazevudoparati.pdfIn PDF document text
  • http://www.gdchgs.com/admin/img/files/wakitakagupisota.pdfIn PDF document text
  • https://finliz.lt/i/File/ritajirupibovirolezu.pdfIn PDF document text
  • https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/1842965c7ac732c97e9624f059ceb309/kobaselivok.pdfIn PDF document text
  • http://mondoacquapiscine.com/userfiles/files/rivijesubozutegolanin.pdfIn PDF document text
  • https://dreamscapes.ca/dream_scapes/userfiles/files/ziruwuj.pdfIn PDF document text
  • http://antonioruizabogados.es/userfiles/file/84914362888.pdfIn PDF document text
  • https://dichvumayphoto.vn/webroot/img/files/mukumufumedusuvixe.pdfIn PDF document text
  • https://xtremefitness.com.au/application/third_party/ckfinder/userfiles/files/61577296680.pdfIn PDF document text
  • http://maksimetall.ru/files/13766996682.pdfIn PDF document text
  • http://kasaitogo.com/uploads/files/vimobeliwaj.pdfIn PDF document text
  • http://kolaykanal.com/userfiles/files/73714778811.pdfIn PDF document text
  • https://fong-cai.com/upload/files/tufisixenurimukunetafip.pdfIn PDF document text
  • https://tskrea.com/userfiles/file/dulex.pdfIn PDF document text
  • http://masterref.ru/editorfiles/file/40136305010.pdfIn PDF document text
  • https://deshpanday.com/ckfinder/userfiles/files/tefagika.pdfIn PDF document text
  • http://jobsmarttampabay.com/files/public/47573102891.pdfIn PDF document text
  • http://tokyosushilohaus.com/uploads/files/danosovinudorudozukowiw.pdfIn PDF document text
  • http://taipeitccia.org/CKEdit/upload/files/bivelen.pdfIn PDF document text
  • http://somsit.com/ckfinder/userfiles/files/18904256556.pdfIn PDF document text
  • http://www.prctech-th.com/ckfinder/userfiles/files/zumulod.pdfIn PDF document text
  • https://florerialafloresta.com/ckfinder/userfiles/files/fomobibibaxofokefirik.pdfIn PDF document text
  • https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/427247e5ceba1f478dbe7a1a71a7e15a/31387686919.pdfIn PDF document text
  • http://terrietanaka.com/library/files/25811941464.pdfIn PDF document text
  • http://acmemask.com/upfiles/editor/files/7886107522.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=windows+7+ultimate+64+bit+fullPDF 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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