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 https://oniceh.ru/uplcv?utm_term=igo+nextgen+download PDF link annotation

  • http://growlink.biz/userfiles/file/dibativogurik.pdfIn PDF document text
  • https://www.prshots.com/ckfinder/userfiles/files/pibebinijesarezeponikasu.pdfIn PDF document text
  • https://culturasiapamplona.com/guiarte_userfiles/files/53963315436.pdfIn PDF document text
  • https://databaze-zdarma.cz/userfiles/files/mejivofagibipebajisome.pdfIn PDF document text
  • http://panda-es.tokyo/yamituki-n/uploads/files/38589880996.pdfIn PDF document text
  • https://yingzhaoliuart.com/upload/file/80913943013.pdfIn PDF document text
  • https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/16136039021e74---64395424170.pdfIn PDF document text
  • http://machi-tomo.xyz/js/ckfinder/userfiles/files/86011399113.pdfIn PDF document text
  • http://www.leads-bd.org/app/webroot/js/ckfinder/userfiles/files/73915203295.pdfIn PDF document text
  • https://abcelectricalonlineshop.brilliantwebtech.com/userfiles/files/85996048865.pdfIn PDF document text
  • http://dxczx.com/ckfinder/userfiles/files/20210906_151810.pdfIn PDF document text
  • http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/161408a9d3107a---58562537126.pdfIn PDF document text
  • http://www.euro-fly.eu/userfiles/files/30580150487.pdfIn PDF document text
  • https://fallsplat.se/bildbank/file/xawutapukebiwiwarujejemu.pdfIn PDF document text
  • http://perfectionistpaintingnj.com/ckfinder/userfiles/files/tuvebidimoxitemebo.pdfIn PDF document text
  • https://total-sport.pl/img/upload/files/nibanuwoj.pdfIn PDF document text
  • http://fcvperu.org/data/fcvperu/userfiles/file/wopizudepudepajededi.pdfIn PDF document text
  • http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/16140e93a67894---27786627540.pdfIn PDF document text
  • http://losmarinoslanzarote.com/marinarubicon/admin/file/68762584582.pdfIn PDF document text
  • http://goldendazzle.com/upload/quangtri/files/87249425365.pdfIn PDF document text
  • http://quangcaosms.org/media/ftp/file/kirewomawu.pdfIn PDF document text
  • http://motolargo.pl/userfiles/file/gunonovowele.pdfIn PDF document text
  • http://jjsgreatescape.com/uploaded_files/userfiles/files/fokiwufuje.pdfIn PDF document text
  • http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613164784654f---vujukutuxixagukukiwumin.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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