Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://nomylo.ru/uplcv?utm_term=the+blue+crab PDF link annotation

  • http://yishiweb.com/upfiles/files/20210629_151028.pdfIn PDF document text
  • https://unique.global/wp-content/plugins/super-forms/uploads/php/files/9b85cf1c38c4f71d7988275f2279be9d/basidezufakuz.pdfIn PDF document text
  • https://www.mysmilestudios.com/wp-content/plugins/super-forms/uploads/php/files/c4dadb87c8c796b625cc77313f1850bf/rulolezunigokedidakajo.pdfIn PDF document text
  • https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/aa1eab35171129c1689de811f0dede4b/zatagaminitizonobo.pdfIn PDF document text
  • http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160bfbbb47d5a6---dumanagilufuvolofi.pdfIn PDF document text
  • http://chiangmai-esc.net/user_img/files/4707992300.pdfIn PDF document text
  • https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/95133b22a84bfcbe7c42172dec03d001/38307464659.pdfIn PDF document text
  • https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160a4e22137501---11926261086.pdfIn PDF document text
  • https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/97d9bfa4aa86c384275a5d39f585c230/lebigorexukope.pdfIn PDF document text
  • https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c657c66252---22553676788.pdfIn PDF document text
  • http://www.prieteniitehnicii.ro/documente/file/losej.pdfIn PDF document text
  • https://alternativecarrepair.com/userfiles/file/48617551018.pdfIn PDF document text
  • http://telmeed.com/web/ckfinder/userfiles/files/97272813728.pdfIn PDF document text
  • https://coastalstudio.com/images/main/file/dobudasupuvapizi.pdfIn PDF document text
  • http://soldresold.com/Shradhdha-Mehra/soldresold/final/ckeditorimage/files/7786044434.pdfIn PDF document text
  • https://performanceltg.com/wp-content/plugins/super-forms/uploads/php/files/cdbf644c335500378ea84c4c15a30bc0/41399181858.pdfIn PDF document text
  • http://ztkammer.at/uploads/file/dapukufajesirado.pdfIn PDF document text
  • http://donghozibistore.com/luutru/files/vijalutegetavuwujid.pdfIn PDF document text
  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a0d4113dccd0dbd6be7ebe4e1caa92cf/fifowovixozor.pdfIn PDF document text
  • https://www.nosolodespedidas.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607b17f6c05bd---66314334698.pdfIn PDF document text
  • http://adabaskimerkezi.com/upload/file/12955950198.pdfIn PDF document text
  • http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1ed7a852f2---nepatalavofolujelowamovat.pdfIn PDF document text
  • http://altelaw.com/uploads/image/file/bolimiketinadojodupulanil.pdfIn PDF document text
  • https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/7fa3fjbed1pts71c8v577jlcrr/xamupofobonaw.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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