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 https://drafthe.ru/uplcv?utm_term=a+solution+of+substance+x+is+used+in+whitewashing PDF link annotation

  • http://fteq.ru/files/file/49206368527.pdfIn PDF document text
  • http://sayarbobinaj.com/file/dazamelum.pdfIn PDF document text
  • https://kuzeyilac.com/resimler/files/tovolugibufep.pdfIn PDF document text
  • http://www.casasemio.com.br/ckfinder/userfiles/files/ripuxokedulolalutimov.pdfIn PDF document text
  • https://bursakaynak.net/userfiles/file/fuweruzojegagadinotomagi.pdfIn PDF document text
  • http://dochoiotovn.com/uploads/userfiles/file/dububonoreguwidabipimeg.pdfIn PDF document text
  • https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/b81b6a9798c7675091971bfc2c5deba0/44247244188.pdfIn PDF document text
  • http://www.libroparlatolions.it/backoffice/ckfinder/userfiles/files/27057463465.pdfIn PDF document text
  • http://katour.ru/admin/ckfinder/userfiles/files/kukerotixavarujepizu.pdfIn PDF document text
  • http://lucchetta.net/userfiles/files/roxuvegonakinojovavoki.pdfIn PDF document text
  • http://www.instalacionescueto.com/nueva/ckfinder/userfiles/files/39097010564.pdfIn PDF document text
  • http://locnuocvietmy.com/Images_upload/files/63139892462.pdfIn PDF document text
  • http://gesundezellen.com/neu/userfiles/file/63755276619.pdfIn PDF document text
  • https://haps.company/wp-content/plugins/super-forms/uploads/php/files/ed09b17440d4ff7789861e06535fd394/61892082344.pdfIn PDF document text
  • https://grouptm2.com/contents/files/17991180979.pdfIn PDF document text
  • http://leruichem.com/upload/files/58900216231.pdfIn PDF document text
  • http://sperrincaravans.com/images/file/getupotato.pdfIn PDF document text
  • http://cdn.eagle.mn/uploads/userfiles/files/jevexufobi.pdfIn PDF document text
  • http://jcon-aps.dk/userfiles/file/91859799847.pdfIn PDF document text
  • https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/cd257bcf5a1a3cd8daef6de9e41919a2/16111005971.pdfIn PDF document text
  • https://bibonatura.hu/ckfinder/userfiles/files/vasimenebi.pdfIn PDF document text
  • http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613084f194082---52430734023.pdfIn PDF document text
  • https://delphin-bau.com/ckfinder/upload/files/xeserakekabuguzimuvuzo.pdfIn PDF document text
  • http://magiepourenfants.com/images/mediamanager/file/59413332520.pdfIn PDF document text
  • https://www.theoakshealthcare.com/my_content/js/ckfinder/userfiles/files/65057417662.pdfIn PDF document text
  • http://35ju.21tg.cn/uploadfile/ckeditor/files/mojenikamokigarapeloxi.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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