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://cructi.ru/uplcv?utm_term=the+structure+of+social+action+talcott+parsons+pdf PDF link annotation

  • https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/8c1583c336d380aa0b3887fd58d95d34/kafodufigoxotizenasawo.pdfIn PDF document text
  • http://computergramm.com/userfiles/file/sufagejelavupazotip.pdfIn PDF document text
  • http://martonelektro.hu/files/file/korilazinumebapifagijudar.pdfIn PDF document text
  • http://bulmarconsult.com/files/63396978698.pdfIn PDF document text
  • http://xinyaoqiye.com/upload_fck/file/2021-7-6/20210706204936243708.pdfIn PDF document text
  • http://dongtienlamnghiep.com/upload/file/24602534482.pdfIn PDF document text
  • http://banghetretruc.com/media/ftp/file/6957879837.pdfIn PDF document text
  • http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/f7dbd4603fc8a30daacc3a7b8e92ee83/gowojiriwujixekogukavux.pdfIn PDF document text
  • http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/16113a5a84ca5f---lojawoxelewap.pdfIn PDF document text
  • https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/d4l8ekd2l2odoufu6fhlqt7r9h/lozetigatejinezulurubutin.pdfIn PDF document text
  • http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/1608952f8a428c---81372357698.pdfIn PDF document text
  • http://wfuchiomega.com/clients/4/46/46a815049f9cfb11ab63b386d19cdfb8/File/jakesofuz.pdfIn PDF document text
  • http://benthanhsgfarm.net/images/uploads/files/3169306402.pdfIn PDF document text
  • https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bf53031190---22298397282.pdfIn PDF document text
  • http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bfac334e988---danunezojatuz.pdfIn PDF document text
  • http://devison-matras.com/upload/file/16497777805.pdfIn PDF document text
  • http://autofactory-jin.com/js/upload/files/rififegafufenafoxudag.pdfIn PDF document text
  • https://dellrein.ru/content/file/jazelevegomux.pdfIn PDF document text
  • https://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/614bd69ede9f588649410e4e30d89cdf/jugazupegadoviwinepe.pdfIn PDF document text
  • https://ecoverservice.be/gallery/file/26317702472.pdfIn PDF document text
  • http://gdwtechnology.com/fckeditor/file/faxazawafiz.pdfIn PDF document text
  • https://shaplaconsulting.com/app/webroot/ckfinder/userfiles/files/xeputakedu.pdfIn PDF document text
  • https://inmaabiladi.com/userfiles/files/nabemesapinidufupupug.pdfIn PDF document text
  • https://299-45.com/CKEdit/upload/files/jopetutapiviju.pdfIn PDF document text
  • https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/9uhccm1b78a1j80bjkh1difmf0/17948971867.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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