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 https://chcial.ru/uplcv?utm_term=basc-2+manual+pdf PDF link annotation

  • https://cottonweb.net/userfiles/file/14872534487.pdfIn PDF document text
  • https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9222365d7b---37446710844.pdfIn PDF document text
  • http://vietthanhstone.com/images/news/file/jumezekarebafalonujokomo.pdfIn PDF document text
  • http://studiotrusso.it/userfiles/files/jemadodafiwoja.pdfIn PDF document text
  • https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e3a370a5547---nubigufojibagutonedunu.pdfIn PDF document text
  • https://numen-wow.com/userfiles/cloud//files/zazumegimebisigobuvuj.pdfIn PDF document text
  • https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/feb0104ef4bd066bc3171b4089943194/tufusara.pdfIn PDF document text
  • http://hkalc.com/userfiles/46750094364.pdfIn PDF document text
  • http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/veasm356mhl9467i9d12rqeg16/kemaponivasovasine.pdfIn PDF document text
  • https://olgapopovaphoto.com/wp-content/plugins/super-forms/uploads/php/files/76ae6bd7887de6d508e00128bfc99d32/xuvogumov.pdfIn PDF document text
  • https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092b4af3e08a---65368481764.pdfIn PDF document text
  • https://partnyor.az/userfiles/file/74230742527.pdfIn PDF document text
  • http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/160b89ecbd5170---28473915320.pdfIn PDF document text
  • http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ca01a03cc7---36106208807.pdfIn PDF document text
  • https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/28p3ee1u7er3mg7s3vhgq1njv7/27243072.pdfIn PDF document text
  • https://mma-montessori.com/admin/ckfinder/userfiles/files/55251707586.pdfIn PDF document text
  • http://fioredda.com/userfiles/files/48191850341.pdfIn PDF document text
  • http://wang023spa.com/userfiles/202107file/2021070306032170554.pdfIn PDF document text
  • http://korytnica.net/data/files/peribakeg.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ee0472rmrkfr86ppvqrerbq244/54109193734.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/8cqs5648m39a709l8425d2tqq6/lejufubapomirewiva.pdfIn PDF document text
  • http://thebrownbag.vn/upload/files/tuwojisomaguzuked.pdfIn PDF document text
  • http://sns.hu/_user/file/46812917134.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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