Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://nomylo.ru/uplcv?utm_term=sudo+apt+cleanup PDF link annotation

  • http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0c027f13e2---57317971836.pdfIn PDF document text
  • http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/160908243b34be---jefukan.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2d6a1b482b---roparekajos.pdfIn PDF document text
  • http://www.seja.lv/assets/ckfinder/core/connector/php/uploads/files/8187698457.pdfIn PDF document text
  • https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/373ec40224a05b7bcf4a8030e9e7d8f7/16936795905.pdfIn PDF document text
  • https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/fd929933018d334b53154e89a6f66104/ruwixozubixidet.pdfIn PDF document text
  • https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/160733a2d15436---96306074182.pdfIn PDF document text
  • https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f4663b5cc8---gixixakedizas.pdfIn PDF document text
  • http://magicdiscoradio.hu/userfiles/file/saresizirepokuvukibeb.pdfIn PDF document text
  • http://nacyc.jp/Upload/file/titubusaj.pdfIn PDF document text
  • https://europeancustomtailor.com/wp-content/plugins/super-forms/uploads/php/files/188b4e1ad31ad63df23732bf454a190d/19899995656.pdfIn PDF document text
  • http://dishandspoonproductions.com/ckfinder/userfiles/files/4680170592.pdfIn PDF document text
  • http://traviet36.com/upload/files/buwuvumowukateva.pdfIn PDF document text
  • https://comobrew.com/newsite/images/user_uploads/file/kexatubonaxakev.pdfIn PDF document text
  • http://ndt-ultratech.com/files/5664543991.pdfIn PDF document text
  • https://ventadeterrenosurbanos.com/userfiles/file/fonudowe.pdfIn PDF document text
  • http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c44bb8b1bff---60137439082.pdfIn PDF document text
  • http://asckhn.com/acskhn/userfiles/file/7675834180.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b16ff44b943---50009772971.pdfIn PDF document text
  • https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfecc0ea024---reziwutugeverotefa.pdfIn PDF document text
  • https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ec981ad9678---bazokikubibagobojomat.pdfIn PDF document text
  • https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/123569dfbcf6d54fc3e079fabd55fd68/58196889351.pdfIn PDF document text
  • https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/63448117306490b7feea5aed24c2a3cf/zoniwin.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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