Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://smidgel.ru/uplcv?utm_term=ludo+fantastic+apk+download PDF link annotation

  • https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f8794c3c6e---24506039399.pdfIn PDF document text
  • http://sungwoo-n.com/userfiles/file/figozobe.pdfIn PDF document text
  • https://osakadentalcare.com/contents/files/52573876384.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16135ac6f2011c---48596108029.pdfIn PDF document text
  • http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f9e75781ea---48712449089.pdfIn PDF document text
  • http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/88333a9bf59e2dcdaa4059e68cea1482/28999606370.pdfIn PDF document text
  • https://instalacje-elektryczne.net/ckfinder/userfiles/files/89167043547.pdfIn PDF document text
  • http://stphilomenaonline.org/userfiles/file/94543717905.pdfIn PDF document text
  • http://studiotecnicoarduini.eu/userfiles/files/refonizoxidegiw.pdfIn PDF document text
  • https://wmu24.ru/media/file/zoxoxafometuluwatemufu.pdfIn PDF document text
  • https://hitourkorea.com/FileData/ckfinder/files/20210904_20117E99FCC6A0C6.pdfIn PDF document text
  • https://astefin.ro/ckfinder/userfiles/files/jukebasemunidolikinimob.pdfIn PDF document text
  • http://ylpqzl.com/ckfinder/userfiles/files/69758212837.pdfIn PDF document text
  • https://taiwancy.com/app/webroot/userfiles/files/gederameweduzaxi.pdfIn PDF document text
  • https://www.tamilsaga.com/ckfinder/userfiles/files/58887525059.pdfIn PDF document text
  • http://yakutiaprime.ru/SITE/files/editor/file/72953879494.pdfIn PDF document text
  • https://maintogelonline2.bet/contents/files/sabinotutini.pdfIn PDF document text
  • http://okeefesreef.com/ckfinder/userfiles/files/gawuwosufefag.pdfIn PDF document text
  • https://best-of-geldanlagen.de/userfiles/file/xojirok.pdfIn PDF document text
  • http://vitacanes.com/uploads/files/9614893906.pdfIn PDF document text
  • http://thanglong.vn-greenenergy.com/ckfinder/userfiles/files/pubigefejogu.pdfIn PDF document text
  • http://foto-preiss.at/upload_files/files/devularepetirewofamizapi.pdfIn PDF document text
  • https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/eb034c6d5ef1a0fbcb50777d81b63490/75841749276.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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