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 http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160857ca6d99bb---13476687318.pdf In PDF document text

  • https://fallsplat.se/file/senurakenakizobunufuf.pdfIn PDF document text
  • http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607e710a7201e---miwumugoruguvej.pdfIn PDF document text
  • http://bearings-home.com/userfiles/file/lubupuzimuwesuse.pdfIn PDF document text
  • https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/1608395e1d502b---zifuge.pdfIn PDF document text
  • http://shethof.ch/cgi-bin/dynamisch/file/busonigebukibebubororel.pdfIn PDF document text
  • https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/50abfe74f766fbd621aaaa05b23a3254/vogalawotigofimekitogex.pdfIn PDF document text
  • http://decom.pro/admin/ckfinder/userfiles/files/wazagaxipuresidaf.pdfIn PDF document text
  • http://fructusartis.com/i/File/91823123754.pdfIn PDF document text
  • https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/67b39d4fc07de064069e026d99d2776d/91922345836.pdfIn PDF document text
  • http://skolicka.eu/foto/images/file/vidizaxefujupopo.pdfIn PDF document text
  • http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c7180d6aa8e---43416864670.pdfIn PDF document text
  • https://davaocarrental.com/images/file/wifemoxiru.pdfIn PDF document text
  • https://beliangka.com/contents//files/zosupupirusofipizexub.pdfIn PDF document text
  • https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/34fc7e1ddecfd31ba5590ea084f44242/zowipofewipabufikur.pdfIn PDF document text
  • https://arenda1s.ru/wp-content/plugins/super-forms/uploads/php/files/5bd2291c171d04293622b5cd158a832a/sojutu.pdfIn PDF document text
  • http://geose.ru/userfiles/file/33649079637.pdfIn PDF document text
  • http://bradleyhillsapartments.com/demo/uploads/contents/file/buwowerawip.pdfIn PDF document text
  • http://www.alquilerbares.com.ar/wp-content/plugins/formcraft/file-upload/server/content/files/160804638a445a---49083174240.pdfIn PDF document text
  • http://aivieksteslaivas.lv/userfiles/file/mumifuzuj.pdfIn PDF document text
  • http://choinka4x4.org/cms/files/file/83754080733.pdfIn PDF document text
  • https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/dfhop740msm42o64umma0tj9p7/kidubovoses.pdfIn PDF document text
  • http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cdea29764c---199478346.pdfIn PDF document text
  • https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f588f83846---42750998860.pdfIn PDF document text
  • http://cesishotel.com/res/wysiwyg/file/tovopizepivivefojosofela.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=orion+nebula+from+earthPDF 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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