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
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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.
• 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://krisoc.ru/uplcv?utm_term=reliance+tax+saver+direct PDF link annotation

  • http://toyteepee.com/uploadfiles/file/210807073842029629g05mku.pdfIn PDF document text
  • https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/5bbcaccd5c3d0581bfdec90c9df5d846/lagejabopa.pdfIn PDF document text
  • http://aisef.org/uploads/userfiles/file/file/kojujitagomuvegazu.pdfIn PDF document text
  • http://chongthamnguoc.vn/img/files/66079150906.pdfIn PDF document text
  • https://123natura.com/stockages/files/fumanebuxajasukunot.pdfIn PDF document text
  • https://drddvichitra.com/userfiles/file/riteb.pdfIn PDF document text
  • http://maraulsan.com/ckfinder/userfiles/files/11845371207.pdfIn PDF document text
  • https://equalland.com/uploads/File/67459700025.pdfIn PDF document text
  • http://vitalenzyme.com/uploads/fckupload/file/83431685719.pdfIn PDF document text
  • https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d53d2eb270e---92011380284.pdfIn PDF document text
  • https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a91f1b35308---63000021216.pdfIn PDF document text
  • http://csc028.com/userfiles/file/20210825034404_373909.pdfIn PDF document text
  • http://www.octopus-quatuorvocal.com/ckfinder/userfiles/files/7372330416.pdfIn PDF document text
  • https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/16086e81d20b04---demonozudusumatemup.pdfIn PDF document text
  • http://pphu-joanna.pl/fckpliki/file/70235817539.pdfIn PDF document text
  • https://imagebeaute.fr/userfiles/file/59755027020.pdfIn PDF document text
  • http://chickendaylacrescenta.com/uploads/files/18643378149.pdfIn PDF document text
  • http://www.alexgis.com/siteuploads/editorimg/file/xugetub.pdfIn PDF document text
  • https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/bp8ljc3hteas58k2abvmo907u2/53493213256.pdfIn PDF document text
  • http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/160aa9d9ac02e5---pusapa.pdfPDF link annotation
  • http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609b7f8fa7580---nopegeweruwijuf.pdfIn PDF document text
  • https://fsreloading.com/userfiles/files/75359055877.pdfIn PDF document text
  • http://enerjipiyasalarizirvesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160de3cf5208ad---vakiborigigibejix.pdfIn PDF document text
  • http://adamlegal.com/userfiles/file/xedufasav.pdfIn PDF document text
  • http://batiment-tunisie.com/userfiles/file/28310309137.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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