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://infrive.ru/uplcv?utm_term=managerial+accounting+15th+edition+chapter+3+solutions PDF link annotation

  • https://bhsbeacon.com/FCKeditor/file/75510547673.pdfIn PDF document text
  • https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/fbd5a7e9fd9dec1203a8a2e739cbd941/sirexupesenawipavupusozem.pdfIn PDF document text
  • https://motelandratecuci.ro/userfiles/file/28775340030.pdfIn PDF document text
  • http://boonfagrandhome.com/user_img/files/31982108586.pdfIn PDF document text
  • http://gatewayhotelbangkok.com/upfile_hotel/files/57651484855.pdfIn PDF document text
  • https://aviatroglo.fr/IMG/file/44849114704.pdfIn PDF document text
  • http://massiimo.com/piceditor/file/56337052818.pdfIn PDF document text
  • https://www.mftelhas.com.br/adm/Editor/ckfinder/userfiles/files/96655933139.pdfIn PDF document text
  • http://neapol-m.ru/usr/file/wurov.pdfIn PDF document text
  • http://www.likoda.com.tw/upload/ckimg/files/92395071311.pdfIn PDF document text
  • https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/p8egjm4nkdjkjmotihb7d7k9ua/tegodumewaroduwimizupu.pdfIn PDF document text
  • http://alburigiott.it/userfiles/files/78430481471.pdfIn PDF document text
  • http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614a387e57963---putukomu.pdfIn PDF document text
  • https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/2d88117f0b760510e4e7ab89933d0603/74891064590.pdfIn PDF document text
  • http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/16151e55b47c0a---23181797930.pdfIn PDF document text
  • http://sadiqandsons.com/userfiles/files/56886222544.pdfIn PDF document text
  • http://bkht.vn/userfiles/file/kitumiwo.pdfIn PDF document text
  • https://diarch.in/WYSIWYGImage/file/fomunubopawazi.pdfIn PDF document text
  • http://a9188.com/upload_files/art_files/files/20210917_170541.pdfIn PDF document text
  • http://cw-cut.com/uploads/file/xubidaguf.pdfIn PDF document text
  • http://technoauto.jp/js/upload/files/59023540746.pdfIn PDF document text
  • https://erdenet.mn/userfiles/file/40688067178.pdfIn PDF document text
  • https://plentis.eu/ckfinder/userfiles/files/zimegarame.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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