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://drafthe.ru/uplcv?utm_term=robux+free+robux+no+human+verification PDF link annotation

  • https://mk-promotions.com/ckfinder/userfiles/files/53196796138.pdfIn PDF document text
  • http://keramann.ru/uploads/files/segavubodevitarape.pdfIn PDF document text
  • http://status.cz/UserFiles/File/94560508636.pdfIn PDF document text
  • http://uco-kampen.com/media/files/85225330187.pdfIn PDF document text
  • http://loveperfectionschool.com/upload/file/domamadapijowilutibugozo.pdfIn PDF document text
  • https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/945b751acdc3e9e8364bee0d682206e6/lorowoluneb.pdfIn PDF document text
  • http://animationcoach.com/userfiles/file/9339294264.pdfIn PDF document text
  • http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f6b82a9036---57779918034.pdfIn PDF document text
  • http://rbtyutj01.com/userfiles/files/11297499726.pdfIn PDF document text
  • http://worldofpacifiers.com/editor_uploads/system/files/taxadolafaxanipaxo.pdfIn PDF document text
  • http://www.stadion-zarya.ru/ckfinder/userfiles/files/kuzibefipevijoruwixu.pdfIn PDF document text
  • http://basyapiemlak.com/yukleme_klasoru/userfiles/file/zuzutividofiboraxotuw.pdfIn PDF document text
  • https://apexsafetyproducts.com/ckfinder/userfiles/files/xojalamutubuvaroxogezuvul.pdfIn PDF document text
  • http://fresh-j.info/images/uploadedimages/file/warijizo.pdfIn PDF document text
  • https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/161398cbb10aff---32395803821.pdfIn PDF document text
  • https://taipeitccia.org/CKEdit/upload/files/91711677308.pdfIn PDF document text
  • http://devison-matras.com/upload/file/bazitugif.pdfIn PDF document text
  • https://newchat.xyz/js/ckfinder/userfiles/files/5177689361.pdfIn PDF document text
  • https://tese.in/ckfinder/userfiles/files/97002596825.pdfIn PDF document text
  • https://doan295doson.vn/namthuan/images/news/files/wekerejaxalijisepiv.pdfIn PDF document text
  • https://defi128.phpascal.com/userfiles/files/73140288832.pdfIn PDF document text
  • http://tauben-buchmeier.de/kleinberliner-schuetzen/userfiles/files/supizotef.pdfIn PDF document text
  • http://ceomit.com/fckupload/file/mowofaruwojevakut.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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