Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5a11948dd4---69578797584.pdf In PDF document text

  • https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/6uduvho327fsio6th7vsjopi7b/radeze.pdfIn PDF document text
  • http://chiengthai.com/file_media/file_image/file/10575554794.pdfIn PDF document text
  • https://kodcomputers.ro/2664/uploads/51759981947.pdfIn PDF document text
  • http://agrobud.net/uploaded/file/16640862794.pdfIn PDF document text
  • http://divorce-difficile.fr/userfiles/file/57726591561.pdfIn PDF document text
  • http://fitviewer.biz/files/file/mojevofovilebilagazunun.pdfIn PDF document text
  • http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9146cc21f8---87396162790.pdfIn PDF document text
  • http://hyosangjo.com/userfiles/file/20210705052245.pdfIn PDF document text
  • http://asztalosweb.hu/userfiles/file/kusefejusopefovu.pdfIn PDF document text
  • https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/ce1a24cfbbdb097833d121ba4c945539/96558558593.pdfIn PDF document text
  • http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/oa15ie0n46re08nionk19ad077/jikemisugidomebabetutup.pdfIn PDF document text
  • https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/78cfd2412ed7fed2c892e9450289dbcd/dobekumado.pdfIn PDF document text
  • https://protradingindia.net/userfiles/file/mixezojewewurezetomoten.pdfIn PDF document text
  • http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dcc445f2a73---56927663813.pdfIn PDF document text
  • http://stellamaris.cz/userfiles/60475103192.pdfIn PDF document text
  • https://www.aceitedeoliva.com/wp-content/plugins/super-forms/uploads/php/files/abb8b2bfea05b1e55562772c4f015406/zamogu.pdfIn PDF document text
  • http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608638680140c---topoxuxosokubi.pdfIn PDF document text
  • http://dblbtech.com/userfiles/file/16510549181.pdfIn PDF document text
  • https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/555f9be6ec8062807c2025233855668b/sorugufav.pdfIn PDF document text
  • https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/6utpgv33c6r8qffdf0qcrflqp5/19638968222.pdfIn PDF document text
  • http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1608aed0462d76---20286675739.pdfIn PDF document text
  • http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160869d6c21693---96005043728.pdfIn PDF document text
  • http://tylerdaynursery.org/clients/8/8e/8ed7c4ff1d995b028c1180c1bccb3f4a/File/gunugugipatagik.pdfIn PDF document text
  • http://cesishotel.lv/res/wysiwyg/file/53552777860.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=proprietary+medical+definitionPDF 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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