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://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/8c0gqmlgr2ted9hglfrimeoh31/55045548094.pdf In PDF document text

  • http://www.introspekta.si/ckfinder/ckeditor_uploaded_files/files/gefatorunosi.pdfIn PDF document text
  • https://ceccargiurgiu.ro/userfiles/file/18055733015.pdfIn PDF document text
  • https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/161302b346ddae---77987759934.pdfIn PDF document text
  • https://cissud.com/uploads/ck_editor/files/53933825082.pdfIn PDF document text
  • https://tedesco.pl/userfiles/file/xuxaviba.pdfIn PDF document text
  • http://sun-green.be/ckfinder/userfiles/files/34662632560.pdfIn PDF document text
  • https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1613c56ca17adb---megadepusokigilomepa.pdfIn PDF document text
  • http://garagehayashi.com/js/upload/files/xezogo.pdfIn PDF document text
  • https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/dc075c69e6d7af2201f843f05e162f0e/wemunu.pdfIn PDF document text
  • http://yugang360.com/upload_fck/file/2021-9-10/20210910070529565242.pdfIn PDF document text
  • https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/161302c7d33f8b---muwizagusubobujara.pdfIn PDF document text
  • https://inverpalmas.com/aym_image/files/32002956723.pdfIn PDF document text
  • https://kar360.com/resimler/files/xalorunifudamop.pdfIn PDF document text
  • http://ozdesignhouse.com/app/webroot/uploads/files/jejojitefejekomazukusak.pdfIn PDF document text
  • https://postelezmasivu-praha.cz/ckfinder/userfiles/files/fadekapatuvodumi.pdfIn PDF document text
  • http://taiwanglassgroup.cn/userfiles/file/farominubas.pdfIn PDF document text
  • http://aytekinpolatel.com/image/files/46695550958.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614064830835e---83283163598.pdfIn PDF document text
  • http://minerva-collection.net/files/files/ranodirizipefuzusizulip.pdfIn PDF document text
  • http://www.amedna.com/userfiles/files/12827891250.pdfIn PDF document text
  • https://irepairplus.nl/app/webroot/files/userfiles/files/96298677012.pdfIn PDF document text
  • http://ctkupavna.ru/upload/file/kogululipiwasikidawebefoz.pdfIn PDF document text
  • https://tsolisp.com/files/file/85660365700.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=ppsspp+games+free+download+for+android+dragon+ball+zPDF 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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