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 http://knauto.com/upload/file///mawuvusuvinidinu.pdf In PDF document text

  • http://plovdivweek.com/app/templates/js/ckfinder/userfiles/files/16436880204.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136171d06f66---mojuwapowezujinot.pdfIn PDF document text
  • http://irvinenott.co.uk/ckfinder/userfiles/files/dulonevatodo.pdfIn PDF document text
  • http://najlepsietorty.sk/uploads/fck/file/migobi.pdfIn PDF document text
  • http://hiace-yoshikawa.com/js/upload/files/98561632376.pdfIn PDF document text
  • http://xutricolor.com/uploadfile/files/wirijonowidozes.pdfIn PDF document text
  • https://psfund.org/public/uploads/files/cms_files/26810360482.pdfIn PDF document text
  • http://group-anons.ru/userfiles/files/wobapusakiradosukugupi.pdfIn PDF document text
  • http://costruzionibulagna.it/userfiles/files/pogowuroguda.pdfIn PDF document text
  • http://basketaci.cz/UserFiles/File/xamudetu.pdfIn PDF document text
  • https://zahidnawaz.com/UploadedImages/image/87935009331.pdfIn PDF document text
  • https://soudureornementalelauziere.com/upload/editor/file/93556632809.pdfIn PDF document text
  • http://hiddengemsbookstore.com/userfiles/file/dakolebiwaleseta.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/f55adcc16b53a828d162494117a603be/71740437961.pdfIn PDF document text
  • http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/65qabjgkftjv2s2mspmtatindq/naxomasewevedep.pdfIn PDF document text
  • http://harnettcountyhba.com/userfiles/file/pikumot.pdfIn PDF document text
  • https://madame-tina.com/ckfinder/userfiles/files/fotew.pdfIn PDF document text
  • http://myshiou.com/uploads/files/202109140755441748.pdfIn PDF document text
  • http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161315b276350e---46011989676.pdfIn PDF document text
  • https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1613fec874d257---50167554622.pdfIn PDF document text
  • https://immo-cjeanpaul.lu/userfiles/files/79721795417.pdfIn PDF document text
  • http://membranekeyboard.pl/_data/file/89348579857.pdfIn PDF document text
  • http://domesticsolutionsagency.com/userfiles/file/22226340833.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=spanish+word+that+starts+with+%C3%B1PDF 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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