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://coretry.ru/uplcv?utm_term=unix+disk+space+command PDF link annotation

  • http://ergakiland.ru/files/files/waviderebeg.pdfIn PDF document text
  • https://music-group-store.com/upload/files/maboxalijoju.pdfIn PDF document text
  • http://solsethreunion.com/clients/f/f5/f56c6d7ba488b74ef40bd02d3fc4d0b2/File/99581285877.pdfIn PDF document text
  • http://carnavaldemarbella.com/Senegal_5/Content/files/userfiles/file/13054121863.pdfIn PDF document text
  • http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/160795cb3e3388---boropejefawijomez.pdfIn PDF document text
  • https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160d1d06a8c944---pevafunipalepo.pdfIn PDF document text
  • http://qianxish.com/ckfind_image/files/17789467462.pdfIn PDF document text
  • http://diplomat2014.ru/ckfinder/userfiles/files/75783463018.pdfIn PDF document text
  • http://residenceraffaellotorino.com/userfiles/files/dodilerine.pdfIn PDF document text
  • http://cualuoiskydoor.com/webroot/img/files/fuwevujazokulex.pdfIn PDF document text
  • https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/1608548e65233d---vajiraginoge.pdfIn PDF document text
  • https://chornakorn-packing.com/ckfinder/userfiles/files/22717046353.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/6fc4cfb0995b506130e2af63b6ddb671/71906077069.pdfIn PDF document text
  • http://barrybusiness-crm.com/ressource/devis-photo/files/xaduxofunegikowasak.pdfIn PDF document text
  • http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160f7e7bfc696f---54795012626.pdfIn PDF document text
  • https://benqmusicworkshop.com/fupload/file/8889559243.pdfIn PDF document text
  • https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/6pq4k1j4cqmott4bu9ev3srh06/16019489865.pdfIn PDF document text
  • http://computer-rudolstadt.de/upload/file/21026834568.pdfIn PDF document text
  • https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16089fa1f2286b---fetuwaxadegisisozulate.pdfIn PDF document text
  • http://marcth.pl/media/fck/file/50686028408.pdfIn PDF document text
  • http://www.drivingschool-brno.cz/files/files/furoxekosek.pdfIn PDF document text
  • http://4bzsoftware.com/Images_upload/files/pimaj.pdfIn PDF document text
  • https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/d7dalqp9gbu2dk8muhfctdgr79/gegofoj.pdfIn PDF document text
  • https://em.heephong.org/ethnicminorities/cmsadmin/ckfinder/files/jofakipedujepif.pdfIn PDF document text
  • http://iccj.jp/images/uploads/fckeditor/file/34058142835.pdfIn PDF document text
  • https://www.cyberci.biz/Faq/Linux-Check-Disk-Space-Command/In PDF document text
  • http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/fb6f049621caff8a4511f9a5ffeed6de/11656605743.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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