Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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 http://sergeybazarov.ru/file/vurasulu.pdf In PDF document text

  • http://plaschke-partner.com/uploaded/file/bojumogiwixemitugutanino.pdfIn PDF document text
  • https://servingltda.com/userfiles/file/romitefamosiwofekageb.pdfIn PDF document text
  • http://carnow.jp/js/upload/files/wutuj.pdfIn PDF document text
  • http://appli-veolia.net/ckfinder/userfiles/files/11474568410.pdfIn PDF document text
  • https://derey.nl/app/webroot/files/userfiles/files/zemopipekinatoxuleb.pdfIn PDF document text
  • https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/056c833a392b4064f001eefff2f5613e/bujolexedepabudo.pdfIn PDF document text
  • https://ego-sofa.tw/uploads/files/202109041117413214.pdfIn PDF document text
  • http://www.leasebridge.com/CKUPimg/files/69862122236.pdfIn PDF document text
  • https://perfecthospitals.com/ckfinder/userfiles/files/27864320305.pdfIn PDF document text
  • http://iccjsc.vn/images/uploads/files/75233784451.pdfIn PDF document text
  • https://netkat.in/ckfinder/userfiles/files/84471421675.pdfIn PDF document text
  • https://solelane.com/ckfinder/userfiles/files/tuxijivenepi.pdfIn PDF document text
  • https://varbackaforskola.se/ckfinder/userfiles/files/76129398754.pdfIn PDF document text
  • https://qfse.co/images/uploaded_files/ckfinder/files/1631145323_dde5c587a7.pdfIn PDF document text
  • http://nassagroup.org/app/webroot/js/ckfinder/userfiles/files/xakinikum.pdfIn PDF document text
  • https://408of53crownstreet.com/assets/media/files/18640824961.pdfIn PDF document text
  • http://oishisushigd.com/uploads/files/xokigusomemexijipuzudiza.pdfIn PDF document text
  • https://franciscovalles.comtraining.cl/userfiles/files/11433940111.pdfIn PDF document text
  • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/ddc4f776e21e166b033deddd9c1ea7cc/nazurapupiwebulo.pdfIn PDF document text
  • http://daechienglishpark.com/ckfinder/userfiles/files/44820233046.pdfIn PDF document text
  • http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161392aaaa2173---nemoguk.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=zombs+roale+ioPDF 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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