Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://irlanc.ru/uplcv?utm_term=porque+no+puedo+descargar+aplicaciones+en+android PDF link annotation

  • http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/89a84e61cee56d23a373adce85702c99/zufeketizexugawemefav.pdfIn PDF document text
  • https://ubk-sad.de/azubi/userfiles/files/69215681795.pdfIn PDF document text
  • https://abzesolar.com/uploads/files/13477952387.pdfIn PDF document text
  • https://www.theoakshealthcare.com/my_content/js/ckfinder/userfiles/files/98990552764.pdfIn PDF document text
  • https://b2b-intelligence.it/uploads/file/96674105141.pdfIn PDF document text
  • http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1612f14b47b8df---zojanona.pdfIn PDF document text
  • http://stapper.de/sites/default/files/userfilesfile/suvomamiw.pdfIn PDF document text
  • http://patroha.hu/file/62160476812.pdfIn PDF document text
  • https://volpatoebrum.com.br/_common/admin/scripts/ckfinder/userfiles/files/60749114874.pdfIn PDF document text
  • http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d7c27efbb7---fixizileme.pdfIn PDF document text
  • https://pointvirgule.ca/upload/editor/file/13196910139.pdfIn PDF document text
  • http://iberia-ex.com/images/blog/file/57824173434.pdfIn PDF document text
  • https://ahreco.com/uploads/news_file/migixipizawunotu.pdfIn PDF document text
  • http://euro-ex.net/images/blog/file/fobotagibedipapim.pdfIn PDF document text
  • https://jamuiboe.com/webroot/upload_media/vavarudaka.pdfIn PDF document text
  • http://zatexpress.com/upload/userfiles/files/kilojetudidedekanuboxubo.pdfIn PDF document text
  • http://koszyczarek.pl/userfiles/file/85270062003.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d85235942c---71423731694.pdfIn PDF document text
  • http://massvt.sk/editor_uploads/system/files/gubibituwizusedijobono.pdfIn PDF document text
  • https://dauglita.lt/components/com_mijoshop/opencart/image/data/files/36734666548.pdfIn PDF document text
  • http://jamalcar.com/userfiles/file/90114027999.pdfIn PDF document text
  • https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/751053ca27b9af2e9f1a78a91d05eb8f/85746006977.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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