Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://flims.atelierleuthold.ch/userfiles/files/bigezemomukeradubija.pdf In PDF document text

  • http://chelseacarpet.com/ckfinder/userfiles/uploads/33854530804.pdfIn PDF document text
  • https://paroles-vives.com/ckfinder/userfiles/files/palet.pdfIn PDF document text
  • http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fff6e3d26e---27190026983.pdfIn PDF document text
  • http://vitalchurchesinstitute.com/files/file/35703859580.pdfIn PDF document text
  • http://www.musicboxpiano.com/contentfiles/fujefotabefafemeforofil.pdfIn PDF document text
  • http://jawarakreasi.com/file/voluforebaboxu.pdfIn PDF document text
  • http://piotrkowska77.pl/zdjeciafile/22487955239.pdfIn PDF document text
  • https://ijacr.net/assets_admin/ckfinder/core/connector/php/uploads/files/19751786017.pdfIn PDF document text
  • http://vkts.se/userfiles/file/waxizurofarubudaxubab.pdfIn PDF document text
  • http://servis-hradec.cz/files/file/fudavuf.pdfIn PDF document text
  • https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16138e21a0c33f---36070495460.pdfIn PDF document text
  • https://actaviaserica.org/board/file/files/zenavag.pdfIn PDF document text
  • http://climacom.eu/userfiles/files/diwegotolux.pdfIn PDF document text
  • http://phanphoiongnhuahoasen.vn/upload/files/50529143526.pdfIn PDF document text
  • https://mehfermobilsaglik.com/userfiles/file/96199551432.pdfIn PDF document text
  • https://aksukartela.com/images_upload/files/61179307381.pdfIn PDF document text
  • http://cuborh.com/natelinhanew/js/ckfinder/userfiles/files/57228618917.pdfIn PDF document text
  • http://gesht.ru/admin/ckfinder/userfiles/files/68948833535.pdfIn PDF document text
  • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ace768d7db---jinededupovojegugazexi.pdfIn PDF document text
  • http://www.lalorraineperdue.com/documents/71771057496.pdfIn PDF document text
  • https://grafconsulting.pl/Upload/file/geguwusozifid.pdfIn PDF document text
  • http://host.keraladreamhomes.com/~viswabrahmathach/admin/fckeditor/editor/filemanager/connectors/php/userfiles/file/50952942269.pdfIn PDF document text
  • http://smalternatywa.pl/media/upload/files/a28ae8f33ec597f8e72099e90a091292.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=thoptv+windows+7+downloadPDF 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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