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://infrive.ru/uplcv?utm_term=sonic+boom+mod PDF link annotation

  • http://geologocarmignani.com/userfiles/files/zobanidevexanexasowilal.pdfIn PDF document text
  • http://paletydozahrady.cz/ckfinder/userfiles/files/mijisafufomigawaj.pdfIn PDF document text
  • http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/16133ae3633ca1---60298081894.pdfIn PDF document text
  • http://chinalabware.ru/d/files/rujenudawuwoziwavekutek.pdfIn PDF document text
  • https://parlagame.com/calisma2/files/uploads/17004867594.pdfIn PDF document text
  • http://canxetaidientu.com/images/file/wurarabogit.pdfIn PDF document text
  • http://tjsijiqing.com/ckfinder/userfiles/files/2021/0917/1f6753c2a6087b65f7b15dbad46cf4ae.pdfIn PDF document text
  • https://mailing.crpm.ch/ck/ckfinder/userfiles/files/sumiwibabuzowop.pdfIn PDF document text
  • https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/bbef0aba99e438506ee4d7b10af6f453/46474095743.pdfIn PDF document text
  • http://niktid.ru/userfiles/file/89332790922.pdfIn PDF document text
  • http://xn--80aer5aza.xn----htbdepbihnfb8cyg.xn--p1ai/ckfinder/userfiles/files/25518669454.pdfIn PDF document text
  • http://globalcenterhotels.com/bot/ckfinder/uf/files/730525651.pdfIn PDF document text
  • http://kino-cosmik.ru/sadm_files/zikarusowekegefezuzew.pdfIn PDF document text
  • https://implantologie-deva.ro/app/webroot/files/userfiles/files/vesiwusumemozuve.pdfIn PDF document text
  • https://fibaquitaine.fr/cebatrama/userfiles/files/60960706878.pdfIn PDF document text
  • https://master.plus/wp-content/plugins/super-forms/uploads/php/files/15d3d6bfed24cf1d0ebf0ad3b02a64b5/powomutofet.pdfIn PDF document text
  • https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613a6b3367e4f---dezoxixipixilojivudor.pdfIn PDF document text
  • http://0-50.ru/userfiles/file/95534706286.pdfIn PDF document text
  • https://nileagriculturalindustries.com/file/vogutap.pdfIn PDF document text
  • http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/16134249c68dcf---87883463345.pdfIn PDF document text
  • http://hourinkan.net/js/upload/files/45149784705.pdfIn PDF document text
  • https://securitydm.rs/slicice/file/23715548684.pdfIn PDF document text
  • http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613faab0085f5---57964470398.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135d9169f437---jukuranawiz.pdfIn PDF document text
  • http://signexpowholesale.com/project-new/christianbook/upload_images/file/63699111192.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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