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://catamma.ru/uplcv?utm_term=android+graph+chart PDF link annotation

  • https://jotekonybakterium.hu/userfiles/files/vejumavidovubifutas.pdfIn PDF document text
  • http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a7bd90fa7e---23987744896.pdfIn PDF document text
  • https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/ffd579341cdd0393405636ce480dec17/20269864529.pdfIn PDF document text
  • http://angarakshaksecurity.com/userfiles/file/sinix.pdfIn PDF document text
  • https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/161300cd91d61c---97549283435.pdfIn PDF document text
  • https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/af0e2ec823d7371da6beffb9959bf653/43341069755.pdfIn PDF document text
  • http://perchegouet.com/ckfinder/userfiles/files/64551776849.pdfIn PDF document text
  • https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/4e57c0778285191049ce2761a53406e1/81670793.pdfIn PDF document text
  • http://veoguidecostarica.com/ci/userfiles/files/kaparitowojaguwerumutu.pdfIn PDF document text
  • https://mar3ol.com/Files/files/sulapopivedelitezu.pdfIn PDF document text
  • http://behtarinekhodetbash.com/files/files/88962852831.pdfIn PDF document text
  • https://5ky13lu3-1251.com/contents/files/kokijibutakuxufo.pdfIn PDF document text
  • http://citescolairedeledit.com/include/file/19753990568.pdfIn PDF document text
  • http://gkz-crimea.ru/userfiles/file/80257932562.pdfIn PDF document text
  • http://caythuocdangian.net/images/files/vulomesativimazofiwoguja.pdfIn PDF document text
  • http://freehajjandumrah.com/admin/admin/uploadfiles/file/23606283152.pdfIn PDF document text
  • https://fablab808.com/nbloom/fckuploads/file/dudakoko.pdfIn PDF document text
  • http://pitin-akutsu.com/js/upload/files/turasatori.pdfIn PDF document text
  • http://easy-sleep24.de/shop/images/editorfiles/file/83083626124.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/16135a0bbc2054---vavafo.pdfIn PDF document text
  • https://vanrun-it.nl/userfiles/files/wamedajuku.pdfIn PDF document text
  • http://iseveranscopy.com/upload/editor/file/wurapujevod.pdfIn PDF document text
  • 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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