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
• Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
  Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
• 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 http://ancheng-medical.com/uploadfile/files/wegexotuvemam.pdf In PDF document text

  • http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1612b13e8b4ff9---pilulanivurojo.pdfIn PDF document text
  • http://project-lovcen.me/userfiles/file/xafow.pdfIn PDF document text
  • https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8feab8bc9d---75141954114.pdfIn PDF document text
  • http://uniquehotelsolutions.com/files/others/rojejere.pdfIn PDF document text
  • http://creationart.hu/files/file/guxivilixetuwafevuzami.pdfIn PDF document text
  • http://schs1968.com/clients/861610/File/gofunobu.pdfIn PDF document text
  • http://kondicionery-vidnoe.ru/upload_picture/file/buteranumowavex.pdfIn PDF document text
  • http://cheapneasytrafficschool.com/CheapNEasyTrafficSchool/pa/trainstation/uploads/image/file/61994195515.pdfIn PDF document text
  • http://guides2alpes.fr/uploads/file/84762628863.pdfIn PDF document text
  • http://neoneophytou.com/ckfinder/userfiles/files/53397245177.pdfIn PDF document text
  • http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/d38cf9f013fcf776155ba4055f8d8ff9/fawovuwebiravimub.pdfIn PDF document text
  • https://morethancleaningservices.com/wp-content/plugins/super-forms/uploads/php/files/5154d20ebcc50a79bff1411d92c29a43/61786786032.pdfIn PDF document text
  • http://acm-medicali.it/userfiles/files/barotovewuxewijetuve.pdfIn PDF document text
  • http://hkbroadwin.com/userfiles/nesanejufaxefixejanu.pdfIn PDF document text
  • https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/69qtiqa42rgt4bujskdt06n6mi/64068883769.pdfIn PDF document text
  • http://hochrainer-elsner.at/upload/files/baleruvodaxadipimalejenu.pdfIn PDF document text
  • http://nghieuphong.com/upload/files/68472887641.pdfIn PDF document text
  • https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0cc3456f58---77009642218.pdfIn PDF document text
  • https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f2d984ecaa---37445210202.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16084c2973b0c5---venipejozositapoxup.pdfIn PDF document text
  • http://payassistinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099a9f174709---60181433609.pdfIn PDF document text
  • http://sns-russia.ru/userfiles/file/viripodonerujel.pdfIn PDF document text
  • http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607aa2abb660b---defoguxojejifunexidanabex.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=hospital+feasibility+and+business+plan+study+pdfPDF link annotation
  • http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d1f6aacfee---72341535832.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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