Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://crysiq.ru/uplcv?utm_term=special+segments+in+circles+worksheet PDF link annotation

  • http://elsekmont.eu/userfiles/file/vuzogekeka.pdfIn PDF document text
  • https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/859d3435895b8ef4e0c2d1c4806450c6/latutelaxojomedugafepi.pdfIn PDF document text
  • https://abcoegypt.com/userfiles/files/17954175382.pdfIn PDF document text
  • http://signaturecruise.com/js/ckfinder/userfiles/files/vizerudomogawobafona.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/161137ff407e7b---rexib.pdfIn PDF document text
  • https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/1607582a8ba7ca---tudilapixevolorete.pdfIn PDF document text
  • https://securityguardsupply.org/php/uploads/file/21875891258.pdfIn PDF document text
  • http://emailreceptionist.net/userfiles/file/vanewawakigafavomujelawuj.pdfIn PDF document text
  • http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/ets6fgj96fmrla17l1knvqqd3t/42076402415.pdfIn PDF document text
  • https://homeuu.biz/upload/ckeditor/pages//files/91819966980.pdfIn PDF document text
  • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce04b30a72d---26692802393.pdfIn PDF document text
  • http://aldo-ins.com/userfiles/file/36190471921.pdfIn PDF document text
  • http://agataklimowska.pl/userfiles/file/moxijeweber.pdfIn PDF document text
  • https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/qei1mqu1711ar4729qni5413t0/dewirorivozokega.pdfIn PDF document text
  • http://uco-kampen.com/media/files/milimerikevonor.pdfIn PDF document text
  • http://brandiassociati.it/userfiles/file/83491595913.pdfIn PDF document text
  • http://e-park.es/img/uploads/files/wofaridaluvis.pdfIn PDF document text
  • https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c68f132fa54---mogakiwimosimon.pdfIn PDF document text
  • http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/160722fb4ea5fe---12247183924.pdfIn PDF document text
  • https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/04ba3e4ef92a9039cc02a24f7a9f33af/dewamemavenetukenu.pdfIn PDF document text
  • https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160776b9077781---18655659900.pdfIn PDF document text
  • https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160bb1f186e79e---43042066312.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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