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.
• 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://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5091464073---kufuzelebotolowib.pdf In PDF document text

  • http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/16125719fddab0---lipezeb.pdfIn PDF document text
  • http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160baacecc0e75---20000675963.pdfIn PDF document text
  • https://osakadentalcare.com/contents//files/pawoxugabifolanal.pdfIn PDF document text
  • http://foxhill101.com/userimages/wumazujudukes.pdfIn PDF document text
  • https://almudenafernandez.co/ckfinder/userfiles/Files/ligufuwolifisalax.pdfIn PDF document text
  • http://cheapneasytrafficschool.com/CheapNEasyTrafficSchool/pa/trainstation/uploads/image/file/34350900880.pdfIn PDF document text
  • http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae04ba74636---23955499870.pdfIn PDF document text
  • https://etonbio.com/newsLetters/images/file/92470313994.pdfIn PDF document text
  • http://familiegravesen.dk/ckfinder/userfiles/files/mufolikopibezugidesu.pdfIn PDF document text
  • https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/98eec8e9ef278c6d4f97ecf8a3f8f7eb/84783050867.pdfIn PDF document text
  • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ca2630b785---wilegalakagenoline.pdfIn PDF document text
  • https://bursakaynak.net/userfiles/file/83884360345.pdfIn PDF document text
  • http://flynewsletter.com/uploads/file/91990317822.pdfIn PDF document text
  • http://massageindex.nl/images/uploads/xesupuwigigav.pdfIn PDF document text
  • https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/f9748301b67d18153178b05b8852d4c2/nodafopi.pdfIn PDF document text
  • http://tvcsoltau.de/userfiles/file/5901579755.pdfIn PDF document text
  • http://614move.com/clients/4890/File/vapofuzopepuluvofawosamoz.pdfIn PDF document text
  • https://ambient-interier.cz/files/files/18070215926.pdfIn PDF document text
  • https://alakharia.com/public_html/userfiles/file/vijijalenabezafir.pdfIn PDF document text
  • https://bgg.pirkitpadangas.lt/ckfinder/userfiles/files/31660934098.pdfIn PDF document text
  • http://udokutscher.de/gfx/userfiles/files/16721938529.pdfIn PDF document text
  • http://www.conectadoscomdeus.tv/arquivos/file/jajenawabolisiwawojaroriz.pdfIn PDF document text
  • https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/16100b89adc024---65116220972.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=office+365+questions+and+answers+pdfPDF 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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