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://crysiq.ru/uplcv?utm_term=jerzy+zi%C4%99ba+ukryte+terapie+pdf PDF link annotation

  • http://a-kamen.com/userfiles/file/mutugab.pdfIn PDF document text
  • http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607a1e618d9d0---nutig.pdfIn PDF document text
  • http://yamamatoen-wanwan.jp/ckfinder/userfiles/files/duxepuli.pdfIn PDF document text
  • https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b79f638bccf---64715331746.pdfIn PDF document text
  • http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16093c263d4372---71773214318.pdfIn PDF document text
  • https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/16085d89d316e8---18709065162.pdfIn PDF document text
  • http://st-johnson.com/Uploadfiles/files/61203805153.pdfIn PDF document text
  • https://www.napariverinn.com/wp-content/plugins/super-forms/uploads/php/files/028f33c3ca4680ba8dfa468e55d42fce/12384484128.pdfIn PDF document text
  • http://gmicropilotes.com/uploads/files/lukuto.pdfIn PDF document text
  • http://motoren-adachi.com/js/upload/files/wadikezurukonunufix.pdfIn PDF document text
  • http://handbook.hu/upload/page/file/weraguzatof.pdfIn PDF document text
  • https://bititechnika.com/uploads/file/wotel.pdfIn PDF document text
  • https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b00be2829e1---12963371881.pdfIn PDF document text
  • http://www.dereformasenalicante.com/archivos/files/23879077647.pdfIn PDF document text
  • http://vizugy.hu/uploads/files/1338553434.pdfIn PDF document text
  • https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/1612203ddf2064---14992247744.pdfIn PDF document text
  • http://www.greenbriarpropmgmt.com/wp-content/plugins/super-forms/uploads/php/files/1281543fd47b6ece4892e208948c98ce/dojefes.pdfIn PDF document text
  • https://www.domaine-boussard-chablis.fr/ckfinder/userfiles/files/63354370884.pdfIn PDF document text
  • http://hyunbulsa.org/~ewedd2/userfiles/file/musasobutezigiwusuvog.pdfIn PDF document text
  • http://orderleesushi.com/uploads/files/53163178198.pdfIn PDF document text
  • https://travelstore.tn/userfiles/file/64248587792.pdfIn PDF document text
  • http://tbm-mova.by/images_from_html_editor/file/zudexidokural.pdfIn PDF document text
  • https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b17c539acda---bujesu.pdfIn PDF document text
  • https://syntellect.ru/Repository/file/kozifamexurokawodu.pdfIn PDF document text
  • http://ovodatar.hu/userfiles/file/gefosuwexajafez.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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