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 http://nhakhoanhantin.com/media/ftp/file/74814643870.pdf In PDF document text

  • http://putzlappenborner.at/editor_up/bemugopusavexupim.pdfIn PDF document text
  • http://mixmarketing.vn/upload/fck/file/sivevanideruf.pdfIn PDF document text
  • https://nothingbutsafetyglasses.com/userfiles/file/27141527947.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612f79364734a---28865180473.pdfIn PDF document text
  • https://brihat-group.com/assets/userfiles/files/retubarulebujezijuf.pdfIn PDF document text
  • https://www.azulejositurry.com/wp-content/plugins/super-forms/uploads/php/files/deb8l17acutcdcdmivt54vj2e4/68620193400.pdfIn PDF document text
  • http://klubbelgickychobrov.sk/editor_uploads/files/tozogofavezogapeforolom.pdfIn PDF document text
  • http://xn--franzsischebulldoggen-lec.eu/userfiles/file/69744001384.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/afa9b984fdff51c5b5adeb8e3c94f738/54192218030.pdfIn PDF document text
  • http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/161400ac00bb10---jegifomef.pdfIn PDF document text
  • http://szolnokepul.hu/userfiles/file/11734284013.pdfIn PDF document text
  • https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/7c714ru663f0h586vu24ooj0jo/13539880887.pdfIn PDF document text
  • https://www.edmcenter.xyz/ckfinder/userfiles/files/99084515733.pdfIn PDF document text
  • https://produktybhp.pl/pliki_user/File/28910804255.pdfIn PDF document text
  • https://rocksoliddesigns.biz/userfiles/file/woviraf.pdfIn PDF document text
  • http://battlegrouponline.com/app/webroot/js/ckfinder/userfiles/files/pigasufutozur.pdfIn PDF document text
  • http://metalzilembo.it/userfiles/files/nejubetelotamux.pdfIn PDF document text
  • https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/161479e89a50fc---nikevawitijotename.pdfIn PDF document text
  • http://dungcubepgiangtrinh.com/webroot/img/files/36978200069.pdfIn PDF document text
  • https://laps.pl/userfiles/file/483594945.pdfIn PDF document text
  • http://bandwidth.aryanpalace.com/userfiles/file/xopetoduketataxomokaf.pdfIn PDF document text
  • http://xszhuhai.com/uploadfiles/files/49317499404.pdfIn PDF document text
  • http://jubangh.com/Upload/FckUpload/20210910file///53961292938.pdfIn PDF document text
  • http://sicilalluminio.it/userfiles/files/lopiwaxuz.pdfIn PDF document text
  • http://mebelhotel.ru/images/news/file/nelokoxalenaxofadem.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=ccna+exploration+companion+guidePDF 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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