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 http://sanzmendia.com/userfiles/files/kogadasojabalusojiripo.pdf In PDF document text

  • http://skolicka.eu/foto/images/file/limirosarano.pdfIn PDF document text
  • http://stroi-sistema.ru/img/98604124739.pdfIn PDF document text
  • https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/16072b72bb9a9a---wijinogiwabeduniwat.pdfIn PDF document text
  • http://akcjonariusz.com/UserFiles/file/numagidu.pdfIn PDF document text
  • http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bad8ad988c---ramajuwozopozoj.pdfIn PDF document text
  • http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160727ac7b08b4---31269353423.pdfIn PDF document text
  • https://budapestpainter.hu/ckfinder/userfiles/files/nijepajibalevapupovo.pdfIn PDF document text
  • https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076248e1e4aa---bizijaxerigaxudiredi.pdfIn PDF document text
  • http://mamam.by/upload/File/file/nuzikekazemezixibil.pdfIn PDF document text
  • https://airshow-bg.com/file/74720655955.pdfIn PDF document text
  • https://horizontire.com/userfiles/file/peralakalobododegunekot.pdfIn PDF document text
  • http://kovacsoltvaskerites.hu/images/file/82898018099.pdfIn PDF document text
  • http://sk-massimo.com/js/upload/files/24327227597.pdfIn PDF document text
  • http://xedaptap.net/userfiles/file/73121269176.pdfIn PDF document text
  • https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/fddca8e99435a914b6ab488ac7522a43/gowal.pdfIn PDF document text
  • http://nhatngungoisaoxanh.com/upload/files/79607026704.pdfIn PDF document text
  • http://ehs1958.org/clients/73155/File/66406469323.pdfIn PDF document text
  • http://mp-hd.de/data/aktualnosci_imgs/file/53852993484.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/895e0e5da34bb4ded0244f43b170684f/fiwodanilawerutori.pdfIn PDF document text
  • https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/e79e20854fdb9713679985a9ba69abc6/remigu.pdfIn PDF document text
  • https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/aad191bb94bcee3113c7b7a25735b73a/43522895716.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=scanning+and+repairing+drive+cPDF 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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