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
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://oniceh.ru/uplcv?utm_term=license+key+generator+for+pc+games PDF link annotation

  • http://intertermo.nl/userfiles/file/77054535435.pdfIn PDF document text
  • http://wych123.com/upload/files/busotewuboguduno.pdfIn PDF document text
  • https://cs168.tw/upfiles/editor/files/xoxonololi.pdfIn PDF document text
  • https://juraganmonyet.com/contents/files/wawif.pdfIn PDF document text
  • http://benetworkingpro.com/ckfinder/userfiles/files/88818314395.pdfIn PDF document text
  • https://karpzbeldowa.pl/uploads/userfiles/files/tepixepanajakugo.pdfIn PDF document text
  • http://t-eamplus.de/web/editor/files/worez.pdfIn PDF document text
  • http://gotoippc.com/ckfinder/userfiles/files/97581701551.pdfIn PDF document text
  • http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ea421c279e---9742978162.pdfIn PDF document text
  • http://elcivan.com/admin/UserFiles/file/dunedot.pdfIn PDF document text
  • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/161461d10bb0e7---80567682032.pdfIn PDF document text
  • http://rideabikenews.com/user_img/files/mukizivapasi.pdfIn PDF document text
  • http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/nezapud.pdfIn PDF document text
  • http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/161381e9505f91---merepi.pdfIn PDF document text
  • https://mamam.by/upload/File/file/mobewatabo.pdfIn PDF document text
  • https://purevdavaa.mn/uploads/ckfinder/files/jakezovelit.pdfIn PDF document text
  • http://drigungkagyurinchenpalbarling.org/upload/userfiles/files/tedogiwasugigud.pdfIn PDF document text
  • http://magendans.com/imagefiles/file/63740785437.pdfIn PDF document text
  • http://webs123.com/userfiles/file/4571714698.pdfIn PDF document text
  • https://borgopitti.it/userfiles/file/39322292603.pdfIn PDF document text
  • https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/169af78879c1c3eb98f72b4c47b4f84d/73352426402.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/karb8on6vrtid5k2ibce7eo6o0/nusivililuladikifiroxeb.pdfIn PDF document text
  • http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ab0ecd2f4d---32353703177.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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