Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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
• 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://nomylo.ru/uplcv?utm_term=negocios+internacionales+libro+pdf PDF link annotation

  • http://paillasse.hu/userfiles/file/wunakodegux.pdfIn PDF document text
  • https://farmacieitaliane.com/documenti/file/dolononozovadizubuzirave.pdfIn PDF document text
  • http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/160c5d946e8ac1---32801076466.pdfIn PDF document text
  • http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b664522d87a---98406046726.pdfIn PDF document text
  • http://ventiliatoriai.lt/js/ckfinder/userfiles/files/36377767816.pdfIn PDF document text
  • https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/o3sutjjkjgjkluah46o9nfb9l7/fobazogopusodefu.pdfIn PDF document text
  • http://com123.vn/uploads/file/kemixubifutev.pdfIn PDF document text
  • https://tlpnw.com/wp-content/plugins/super-forms/uploads/php/files/597e146e102fd9d1e37dd6d30fe88af5/rekunelufusamowo.pdfIn PDF document text
  • https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1609d642e17ee4---28166614374.pdfIn PDF document text
  • https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160773139bab84---97724361032.pdfIn PDF document text
  • http://aristosaigonhotel.vn/uploads/files/19861206009.pdfIn PDF document text
  • http://maplewoodmachine.com/clients/1/17/17f0ea2532424b9b8bf99baf53cd3763/File/pudol.pdfIn PDF document text
  • http://cocoal.com/uploads/file/biboputalonibuvufofofeme.pdfIn PDF document text
  • https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a47b08d40be---50975811247.pdfIn PDF document text
  • https://kartplast.com/resimler/files/nibuzininebepeselavoler.pdfIn PDF document text
  • http://marsalanoleggio.it/userfiles/files/36938688488.pdfIn PDF document text
  • https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/16086ccea9824a---tebixexonudeb.pdfIn PDF document text
  • http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a08c861ef9a---44576150329.pdfIn PDF document text
  • http://docando.es/js/ckfinder/userfiles/files/95038441726.pdfIn PDF document text
  • http://vote4dannybarry.com/clients/2/2f/2f5d4f67c16906f9b09010289963de11/File/28190768052.pdfIn PDF document text
  • http://nw-line.ru/generic/uploaded/zavedopu.pdfIn PDF document text
  • http://zhodnoceni-penez.cz/is/images/FCKeditor/File/lezojivuxotositowoguj.pdfIn PDF document text
  • http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/8affda3e36567bcf0cf569ccbe36d961/34927635123.pdfIn PDF document text
  • https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fa95945ce42---zajinuzewonoxijixegosozif.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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