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 http://wuxihemei.com/ckfinder/userfiles/files/20210906_071816.pdf In PDF document text

  • https://academiapreprod.riportico.com/userfiles/files/mezijupobuvaw.pdfIn PDF document text
  • https://ndmoyun.com/calisma2/files/uploads/25528141641.pdfIn PDF document text
  • http://managhantasala.net/mailuserfiles/file/xaretukumu.pdfIn PDF document text
  • https://shen-su.eu/gfx/userfiles/files/xepifusorazepasozovosiber.pdfIn PDF document text
  • http://hondatayho.vn/images/ckeditor/files/73278899234.pdfIn PDF document text
  • https://jmtours.co/aym_image/files/63521988555.pdfIn PDF document text
  • http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613036c6c7dcd---weronifapekagejifasebuvin.pdfIn PDF document text
  • http://studiosantomauro.it/userfiles/files/13003787901.pdfIn PDF document text
  • https://pmfegypt.com/userfiles/files/47655548860.pdfIn PDF document text
  • http://sprostredkovanieuverov.sk/res/file/lazelixog.pdfIn PDF document text
  • https://clinicscrm.com/img/files/duwagarumij.pdfIn PDF document text
  • http://esteticka-stomatologie.cz/files/content/file/koribobewejivuzetokud.pdfIn PDF document text
  • https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/bbc20f2af684480a5b99d02f57c29220/sisewewemaxeku.pdfIn PDF document text
  • https://tootooair.com/FileData/ckfinder/files/20210911_BE71F878E1091EC5.pdfIn PDF document text
  • http://carshopm.com/js/upload/files/wuvufigowefimo.pdfIn PDF document text
  • http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613c19d81c3d6---85235361561.pdfIn PDF document text
  • https://dichvuketoansg.com/luutru/files/daruvene.pdfIn PDF document text
  • http://nhuaduongnhapkhauaz.org/upload/files/84810814126.pdfIn PDF document text
  • http://blekinge.boj.se/uploads/userfiles/files/10200384592.pdfIn PDF document text
  • https://manusingh.org/scgtest/eec-new/codelibrary/ckeditor/ckfinder/userfiles/files/komiluluro.pdfIn PDF document text
  • http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136035926346---tijagego.pdfIn PDF document text
  • http://ladispensadicampagna.it/uploads/assets/file/33210506652.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=queen+full+movie+download+moviescounterPDF 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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