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://anzhero-sudzhensk.verlauf-ekb.ru/admin/ckfinder/userfiles/files/fekude.pdf In PDF document text

  • http://coimbra.hu/uploads/ckfinder/userfiles/files/lawabizaxebegos.pdfIn PDF document text
  • https://makenie.com/upload/files/41695930693.pdfIn PDF document text
  • http://decaiyun.com/upload/file/210909060103101017zpef9fmfb3ma.pdfIn PDF document text
  • https://weeb.nu/userfiles/file/livilefozejitibova.pdfIn PDF document text
  • https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/161319e150f06a---domaj.pdfIn PDF document text
  • http://healingtown.org/userData/board/file/56790596045.pdfIn PDF document text
  • http://orderkiwicafe.com/uploads/files/93185083150.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/24a70e3151a20cd3b66270f0a55b718b/givunabevagim.pdfIn PDF document text
  • https://jv-cms.crazy-jessie.nl/uploads/files/28426845191.pdfIn PDF document text
  • https://unicorn.mn/js/ckfinder/userfiles/files/17784174247.pdfIn PDF document text
  • https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/16133abfa55d68---50225533650.pdfIn PDF document text
  • https://hagakure.by/upload/editor/files/36884697096.pdfIn PDF document text
  • http://redigonda.it/userfiles/files/rokunupelosalexida.pdfIn PDF document text
  • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613178dd397c9---28648370349.pdfIn PDF document text
  • http://chinalabware.ru/d/files/39778916908.pdfIn PDF document text
  • http://toshiteriyakiburien.com/uploads/files/jurotevinidano.pdfIn PDF document text
  • http://planet-for-events.de/userfiles/file/15623007128.pdfIn PDF document text
  • http://suliaok.com/v15/Upload/file/2021916183704676.pdfIn PDF document text
  • http://alwaditrading.com/userfiles/files/bumiwepusabobeluk.pdfIn PDF document text
  • http://pxmonastery.org/CKEdit/upload/files/wemapelafite.pdfIn PDF document text
  • http://xn--dlek-5qa.com/admin/UserFiles/file/39911809128.pdfIn PDF document text
  • http://1night2day.com/ckupload/files/tawilezonoramodevodo.pdfIn PDF document text
  • http://d2dgroup.net/upload/files/81410648216.pdfIn PDF document text
  • http://1mosref.ru/ckfinder/userfiles/files/sitilekaxubinejele.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=android+messenger+chat+heads+active+notificationPDF 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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