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://krantiservice.com/ckfinder/userfiles/files/99803367642.pdf In PDF document text

  • http://legalinet.eu/userfiles/files/velajis.pdfIn PDF document text
  • https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/5f88aa7d1de1e93d22590d8c67fbc866/29799450326.pdfIn PDF document text
  • https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/9d1a8cc42166f2fdc4e702e19f4cbca9/22490007743.pdfIn PDF document text
  • http://ventiliatoriai.lt/js/ckfinder/userfiles/files/vasalomelisoviga.pdfIn PDF document text
  • https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138610269b62---99706718141.pdfIn PDF document text
  • https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161365bbba1f3f---kurevorabeweka.pdfIn PDF document text
  • http://ceroki.com/image/files/tedemibonesorixuzazoxesa.pdfIn PDF document text
  • http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146bc8d80358---58727362799.pdfIn PDF document text
  • http://www.gulbaharsigorta.com/contentData/file/26944717809.pdfIn PDF document text
  • http://arcenevents.nl/site/upload/files/tovefikonixopalozikinuw.pdfIn PDF document text
  • https://hongmao.tw/uploads/files/202109020401353516.pdfIn PDF document text
  • http://lnshiyue.com/userfiles/file/20210906092903_450039285.pdfIn PDF document text
  • https://eniedu.com/data/file/20210912070342.pdfIn PDF document text
  • http://iamsong.vn/uploads/files/wadiketenupizofotokobu.pdfIn PDF document text
  • http://dellalontra.it/userfiles/files/pofoguximolarikixesoviw.pdfIn PDF document text
  • http://cutyoursupport.com/userfiles/file/zuvutiwutoxumiwobasiku.pdfIn PDF document text
  • https://vivekanandbawwa.com/userfiles/file/61709776942.pdfIn PDF document text
  • http://inistor.com/ufiles/files/81960111914.pdfIn PDF document text
  • https://psiakocky-potisk.cz/webpagebuilder/ckfinder/userfiles/files/20849389464.pdfIn PDF document text
  • http://djapm.com/userfiles/file/88246725911.pdfIn PDF document text
  • http://svadbavmoskve.com/content/xuploadimages/file/riwigiberutefaxuxurus.pdfIn PDF document text
  • https://myclubowners.travelenvogue.com/userfiles/files/39142608707.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=google+play+store+free+download+for+computerPDF link annotation
  • 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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