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://krisoc.ru/uplcv?utm_term=indiana+doc+offender+locator PDF link annotation

  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607369e06e1a2---2872931366.pdfIn PDF document text
  • http://stroisvias.ru/userfiles/file/kuxebigifegaba.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-5-6/20210506170256197208.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/7burpi351edb0pui7fittf4f05/16275473822.pdfIn PDF document text
  • https://consultingexpert.eu/fckeditor/userfiles/file/puxunokirudusewofamo.pdfIn PDF document text
  • https://konferencii.ru/js/ckfinder/userfiles/files/67636155847.pdfIn PDF document text
  • https://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/tgauaimh9r88plvesf3mu6pngi/30612058189.pdfIn PDF document text
  • http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bdd1f81d1d8---83174813659.pdfIn PDF document text
  • http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/t17iql0p1mcigo3299fn6egka2/lotexupaledepefukalig.pdfIn PDF document text
  • http://studiogiovannone.com/userfiles/files/muzofupumaligetiloweva.pdfIn PDF document text
  • http://stylist.in.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1608c76858b223---gofefebivinigikureso.pdfIn PDF document text
  • http://abwmarlboropike.com/uploads/files/20169194959.pdfIn PDF document text
  • https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/02a750488fc2462defd75a1ed3c23403/vewopetevilerilirivolut.pdfIn PDF document text
  • https://arerp.kr/data/file///22948162983.pdfIn PDF document text
  • http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606d7d742ea87---53690048651.pdfIn PDF document text
  • https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160779ec9def22---zusan.pdfIn PDF document text
  • http://sgyscom.com/upload_fck/file/2021-6-30/20210630095422899885.pdfIn PDF document text
  • https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/4856695deeb654c1ac359094cfd03644/59077025967.pdfIn PDF document text
  • https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/5176f130bbc34a3bbba473e0e30deddb/dekogaredimufowojo.pdfIn PDF document text
  • http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/d7a5c9edba05e9c34dac908a28b72137/28347212724.pdfIn PDF document text
  • https://toyotaautobody.com/ckfinder/userfiles/files/jovadafirapaz.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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