Malicious PDF — malware analysis report

Heuristics 10

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
  Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• MFA / one-time-code harvesting lure high SE_MFA_LURE
  Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
• 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://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/fb1c1a407eb5c95bf4a95ab88556919b/31949642325.pdf In PDF document text

  • https://avukatwebsitesi.trakyasoft.com/upload/files/betarutolononivureruwoke.pdfIn PDF document text
  • https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/0b36f22f99c5fd57246a3e61ca99fbba/bisuwimivaworok.pdfIn PDF document text
  • http://micdelhi.in/userfiles/file/tuvagubotev.pdfIn PDF document text
  • http://roland-toys.eu/userfiles/file/37302624743.pdfIn PDF document text
  • http://cu-hinothai.com/ckfinder/userfiles/files/lavokazubimitabek.pdfIn PDF document text
  • https://www.habitat-morvan.fr/ckfinder/userfiles/files/39620194212.pdfIn PDF document text
  • http://abwingsbuffalo.com/uploads/files/73577420774.pdfIn PDF document text
  • http://taketty.xyz/js/ckfinder/userfiles/files/ruwufozagerujiripov.pdfIn PDF document text
  • http://alexlunacoach.com/img/editor/file/61260101937.pdfIn PDF document text
  • http://geologocarmignani.com/userfiles/files/38957144997.pdfIn PDF document text
  • https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/vutikiban.pdfIn PDF document text
  • http://tecs4.com/intranet/ckfinder/userfiles/files/85814527513.pdfIn PDF document text
  • https://kitchensofdiablo.com/upload/file/rinekevibirefekusibuwovuz.pdfIn PDF document text
  • http://songpinhao.com/userfiles/files/tabezipovojabizexedog.pdfIn PDF document text
  • http://humidorio.de/ckfinder/userfiles/files/vuxamiwoxupowir.pdfIn PDF document text
  • http://aminotp.com/upload/files/79759413182.pdfIn PDF document text
  • http://sspvjd.com/FileData/ckfinder/files/20210912_1851F112485463BA.pdfIn PDF document text
  • http://myappartement.de/web/editor/files/banojejodulapovepelatej.pdfIn PDF document text
  • https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/55537ebdb70c83ec5d248799a4ebf53b/40313822589.pdfIn PDF document text
  • https://pinpointfeedtech.com/ckfinder/userfiles/files/59706821339.pdfIn PDF document text
  • http://kutyasturak.hu/images/files/jowezolazub.pdfIn PDF document text
  • http://immobilieninvestors.de/userfiles/file/57466216155.pdfIn PDF document text
  • https://alebusph.centralcms.cloud/galeria/files/43612637336.pdfIn PDF document text
  • https://empezo.xyz/js/ckfinder/userfiles/files/45473093342.pdfIn PDF document text
  • http://goldenpeak.it/userfiles/files/1719471482.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=signing+in+to+hotmail+accountPDF 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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