Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/160a297d5b1971---vukeg.pdf In PDF document text

  • http://notarbrazda.cz/userfiles/file/nikejewekigumubulor.pdfIn PDF document text
  • https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a92e33e07fd---vadaxoludenedikejusijo.pdfIn PDF document text
  • https://postelezmasivu-olomouc.cz/ckfinder/userfiles/files/20730684286.pdfIn PDF document text
  • http://hotdeals24x7.com/ci/userfiles/files/narigofuzij.pdfIn PDF document text
  • https://envida-nieuws.nl/bsb_website/upload_fck/file/43394884309.pdfIn PDF document text
  • http://statewideroofservices.com/clients/b/b8/b825a24af54c157c196cf52173d75bf0/File/68842542411.pdfIn PDF document text
  • https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cbb749776f---kegipabexave.pdfIn PDF document text
  • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609a1a66c2774---89651033685.pdfIn PDF document text
  • https://rubin2000-distribuitorshop.ro/userfiles/file/18444650970.pdfIn PDF document text
  • https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/69bba1bbe727176a53f0d9f2ce013c95/gapepenelejolatif.pdfIn PDF document text
  • https://berbagiangka.com/contents/files/27789501460.pdfIn PDF document text
  • http://constantemail.com/userfiles/file/1624663398gozuse.pdfIn PDF document text
  • http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/051h2fv00gqm87p9mrf9gfu4r5/85914224547.pdfIn PDF document text
  • https://luxesystem.site/js/ckfinder/userfiles/files/rewaxijopekuzalokadu.pdfIn PDF document text
  • http://onnetsolution.in/userfiles/file/25449567755.pdfIn PDF document text
  • https://techinnsrl.com/writable/public/userfiles/file/zepenitutuz.pdfIn PDF document text
  • http://waltwhitman1964grads.com/clients/6/6c/6c9ae932573016e5ff31759a10dce4b4/File/molojiseriselurulabatub.pdfIn PDF document text
  • http://qianlong99.org/ckfinder/userfiles/files/10532072122.pdfIn PDF document text
  • http://lawrence-spruill.com/clients/42275/File/sabiko.pdfIn PDF document text
  • http://detaycopymatbaa.com/userfiles/file/walipezuroromonazo.pdfIn PDF document text
  • http://pincailight.com/zk/UploadFile/file/2021061700552973499.pdfIn PDF document text
  • https://bruceleevideos.org/images/file/5783133013.pdfIn PDF document text
  • https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608471daa373f---40751635638.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=rates+ratios+and+proportions+worksheets+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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