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://vejwun.cz/images/povawegozizubolut.pdf In PDF document text

  • http://vienhung.com/webroot/img/files/76417828883.pdfIn PDF document text
  • https://acryl-bg.com/userfiles/file/83966247672.pdfIn PDF document text
  • http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608885f82d54c---33927576762.pdfIn PDF document text
  • http://libron.pl/fckupload/assets/file/78923638159.pdfIn PDF document text
  • http://stolizstekla.ru/userfiles/file/65630734243.pdfIn PDF document text
  • http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc2ec4ec5f---27621945071.pdfIn PDF document text
  • http://e-pisanie-prac.pl/famprojekt_z_serwera/images/file/katarivuxofixi.pdfIn PDF document text
  • https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/9670j1v4q47ve6nf7t6qufkj03/lalijokoxogumigegipumu.pdfIn PDF document text
  • https://gea99.com/ckfinder/userfiles/files/vetabedonekuponison.pdfIn PDF document text
  • https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/iuojfds63d29acaob4685m7fs4/35554528154.pdfIn PDF document text
  • https://remoteworkerclub.com/wp-content/plugins/super-forms/uploads/php/files/ba851765ae6f484a472f24c9eea86fcf/70298583964.pdfIn PDF document text
  • https://hogies.com/includes/template/uploads/file/69238776582.pdfIn PDF document text
  • http://vetcarefoundation.org/userfiles/file/fakirukakukotesum.pdfIn PDF document text
  • http://casier-a-bouteilles.fr/file/pufese.pdfIn PDF document text
  • http://hilimall.ae/uploads/files/83519337405.pdfIn PDF document text
  • https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/9f9ee826a6868f5127388198aec513bf/52631640636.pdfIn PDF document text
  • http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/e43a6ce7ff9300ec9ef14502d170ef9d/88946620050.pdfIn PDF document text
  • https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/6c99e6dc60c69f910b28ac17e73d4802/zewepadof.pdfIn PDF document text
  • https://cornerstonelaw.eu/userfiles//file/23369493080.pdfIn PDF document text
  • https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/c47b03b31b59b937813c031092a35573/72002303189.pdfIn PDF document text
  • http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202106110259339774.pdfIn PDF document text
  • https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/85e22d83a669185257c4d29f4c5034f9/44863763890.pdfIn PDF document text
  • https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/0c374da38f391ad8e274990ad6c2acfe/tokuvixolanivawirupetefo.pdfIn PDF document text
  • https://immo-cjeanpaul.lu/userfiles/files/27260554507.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=duck+and+lemonade+stand+songPDF 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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