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://infrive.ru/uplcv?utm_term=fundamentals+of+meal+management+5th+edition+pdf+download PDF link annotation

  • http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2e34fc66d5---fasitebifikusa.pdfIn PDF document text
  • http://coreaad.com/DreamDataUpload/file/56087925104.pdfIn PDF document text
  • https://sailstudy.in/ckfinder/userfiles/files/xigix.pdfIn PDF document text
  • http://donauwell.at/userfiles/file/81100292731.pdfIn PDF document text
  • https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608415e33e03d---81314769273.pdfIn PDF document text
  • http://xn--m1age8bh.xn--p1ai/files/file/19643472666.pdfIn PDF document text
  • https://morethancleaningservices.com/wp-content/plugins/super-forms/uploads/php/files/0c2d22034cfa9c30bce6acd01095d1ef/64161477519.pdfIn PDF document text
  • http://xn--clinicaquirogavilario-vbc.com/wp-content/plugins/super-forms/uploads/php/files/o5n2q6ng8nbkcli7b5utk46ol7/47341291550.pdfIn PDF document text
  • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1606d55b68e9e3---lodenojipopopeve.pdfIn PDF document text
  • http://kraski-chernila.ru/resources/file/kexigop.pdfIn PDF document text
  • http://tiszaikaland.hu/upload/file/16704965376.pdfIn PDF document text
  • http://cimkezes.hu/uploads/ckfinder/userfiles/files/35076924714.pdfIn PDF document text
  • http://www.socalgreatwhite.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083442ea42c8---31546678353.pdfIn PDF document text
  • http://maasmartcity.com/userfiles/file/88338817346.pdfIn PDF document text
  • http://opuspointpartners.com/ckfinder/userfiles/files/wesawadu.pdfIn PDF document text
  • http://epmachine.ru/d/files/21374238378.pdfIn PDF document text
  • http://reutlinger.pl/userfiles/file/nariduvalosexazisafi.pdfIn PDF document text
  • http://iberia-ex.com/images/blog/file/28594525135.pdfIn PDF document text
  • http://hi-reid-solutions.com/wp-content/plugins/super-forms/uploads/php/files/c388a5c88c3d70a9d363d7fc1eb5c5ce/30082740457.pdfIn PDF document text
  • http://020tzs.com/baige/images/userfiles/file/28537393794.pdfIn PDF document text
  • http://tumakuruvoice.com/tumkurvoice/ckeditor/ckfinder/userfiles/files/sixevowefisizefokabajes.pdfIn PDF document text
  • http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609402c48167d---somemuwijilawomizo.pdfIn PDF document text
  • http://quatanggiabao.com/images/uploads/files/sapazun.pdfIn PDF document text
  • http://www.erealitysolutions.com/tennisontario/assets/appsadmin/js/ckfinder/userfiles/files/dafumogirotexegukar.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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