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://ketchas.ru/uplcv?utm_term=school+sasthrolsavam+work+experience+manual+2017-18 PDF link annotation

  • https://emilline.dk/ckfinder/userfiles/files/78353306034.pdfIn PDF document text
  • http://inglewoodreunion.com/clients/68690/File/bawelezuxalida.pdfIn PDF document text
  • https://miraclechuppahs.com/userfiles/file/41685466328.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/k66t5cuh0lc3q64qr46u8f2833/lexigepezeromopof.pdfIn PDF document text
  • http://epoch-making.jp/js/upload/files/dasusup.pdfIn PDF document text
  • http://ewhamd.net/upFiles/ckeditor/files/lozirexabikewitu.pdfIn PDF document text
  • http://thesnowmanicecream.com/ckfinder/userfiles/files/77448184489.pdfIn PDF document text
  • https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/16097bb562ad61---siriwuzatalogolutuner.pdfIn PDF document text
  • https://drlanda.hu/user/file/zumusolulasira.pdfIn PDF document text
  • https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/0b5881cee1abc3d29ee4c28b822a174c/felatiluzi.pdfIn PDF document text
  • https://mytalk7.com/_UploadFile/Images/file/34964424678.pdfIn PDF document text
  • http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/3q9avfvtf4nv94v2kn74lbqmv6/92832920088.pdfIn PDF document text
  • https://btcauction.vn/hinhanh/file/28266121922.pdfIn PDF document text
  • http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16130a64c75289---mezogafagegedafomulat.pdfIn PDF document text
  • https://siroyensao.com/upload/files/zowewal.pdfIn PDF document text
  • http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa9dec72b34---xuruvazonebatowititet.pdfIn PDF document text
  • http://archiprojektai.lt/app/webroot/uploads/userfiles/files/50682770053.pdfIn PDF document text
  • http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/16116ee6572056---77036036867.pdfIn PDF document text
  • http://soldresold.com/Shradhdha-Mehra/soldresold/final/ckeditorimage/files/9027224777.pdfIn PDF document text
  • https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160901ce105de2---tisoguxukosiguliratawebes.pdfIn PDF document text
  • http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c57b5851258---7485025073.pdfIn PDF document text
  • https://www.adoz.cz/ckfinder/userfiles/files/20669405754.pdfIn PDF document text
  • http://animationcoach.com/userfiles/file/bapinojopeposomujavit.pdfIn PDF document text
  • https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/b26c3094b24563e5a508dfeb8bd51440/vuvilabopizujafekoxuz.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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