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://inwebjor.ru/uplcv?utm_term=need+for+speed+vr+apk PDF link annotation

  • https://textosl.com/upload/editor/file/39225452434.pdfIn PDF document text
  • https://xn--fct8ml6mwue.tw/uploads/files/21513191343.pdfIn PDF document text
  • http://perechen-izdaniy.ru/js/ckfinder/userfiles/files/xejib.pdfIn PDF document text
  • http://toyotarent.tw/FileData/ckfinder/files/20210913_CEA17F10D3A2D0D4.pdfIn PDF document text
  • http://cristal-in.fr/userfiles/file/14947359912.pdfIn PDF document text
  • http://nissanotogovap.com/uploads/images/files/jetizimumu.pdfIn PDF document text
  • https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/4e6328d74db6cc02f4c00985313b54ab/91149293061.pdfIn PDF document text
  • http://heatherjansch.com/ckfinder/userfiles/files/41639903336.pdfIn PDF document text
  • http://abwrosedale.com/uploads/files/29346556856.pdfIn PDF document text
  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/71a80895844022baa7e2baaeb5c97764/5166948036.pdfIn PDF document text
  • http://talk200.com/admin/admin/uploadfiles/file/73104602408.pdfIn PDF document text
  • http://reklamavysocina.cz/UserFiles/File/zodafaxonujusazo.pdfIn PDF document text
  • http://sinhorelli.com/userfiles/file/jibibuzogebifawazemugon.pdfIn PDF document text
  • http://ebonit.light.bg/includes/libs/ckfinder/userfiles/files/78194784389.pdfIn PDF document text
  • http://pyhunlian.com/uploadfile/file/gevudu.pdfIn PDF document text
  • https://www.displaysdirectaustralia.com.au/application/third_party/ckfinder/userfiles/files/71326308404.pdfIn PDF document text
  • http://csc020.com/userfiles/file/20210912193426_p6invj.pdfIn PDF document text
  • http://tumakuruvoice.com/tumkurvoice/ckeditor/ckfinder/userfiles/files/subogawivobisiwekabejut.pdfIn PDF document text
  • http://drairtools.com/ckfinder/userfiles/files/11040493106.pdfIn PDF document text
  • http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614122e491232---93013958322.pdfIn PDF document text
  • http://midoriku.zaitakunet.jp/app/webroot/upload_images/files/95730674873.pdfIn PDF document text
  • http://naturestuff.nl/siteimages/file/8533564505.pdfIn PDF document text
  • https://sportyou.fr/ckfinder/userfiles/files/xadovelebilixi.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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