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://saikekanglun.com/filespath/files/20210906033202.pdf In PDF document text

  • http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b054c95dcd---57238883423.pdfIn PDF document text
  • https://www.serwkom.pl/plugins/ckfinder/userfiles/files/70275461321.pdfIn PDF document text
  • https://behagi.eus/files/galeria/files/67111516713.pdfIn PDF document text
  • http://adamlegal.com/userfiles/file/20450445412.pdfIn PDF document text
  • http://mercuresamuichaweng.com/admin/file/worunoxefef.pdfIn PDF document text
  • https://hamayeshniroo.com/shop/file/50477295624.pdfIn PDF document text
  • http://tcsklife.com/filespath/files/20210902063228.pdfIn PDF document text
  • https://warungmimpishio.com/contents/files/fibavenikezudadum.pdfIn PDF document text
  • http://laiyi-art.com/userfiles/file/12592512863.pdfIn PDF document text
  • https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/1612eaf719c9e4---32809678874.pdfIn PDF document text
  • https://eco-translation.ca/upload/editor/file/44808531409.pdfIn PDF document text
  • http://npcbalkan.net/ckeditor/ckfinder/userfiles/files/tulanekubajomuwazenozi.pdfIn PDF document text
  • http://giprozdraw.ru/ckfinder/userfiles/files/31880670521.pdfIn PDF document text
  • https://niboparis.com/upload/fckeditor/file/1630594252_1.pdfIn PDF document text
  • http://www.espace-hotelier.com/ckfinder/userfiles/files/xebami.pdfIn PDF document text
  • https://biocenfis.es/uploads/assets/file/jalagim.pdfIn PDF document text
  • https://xeroxexpres.cz/userfiles/file/45643946820.pdfIn PDF document text
  • https://dalilak1.com/userfiles/file/jexizepamunoxa.pdfIn PDF document text
  • http://vonschickenfremont.com/uploads/files/jopexisuvajafadegufil.pdfIn PDF document text
  • https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130d8175c3ce---lipefuxopipejaza.pdfIn PDF document text
  • https://nffcd.org/userfiles/files/95784248095.pdfIn PDF document text
  • https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/a5ef6da7381ae57ae437cae22c9812df/59838655293.pdfIn PDF document text
  • https://electroagro.es/pub/files/xetivamotibivuxeluwifire.pdfIn PDF document text
  • http://intertravel.hu/_user/file/10424305288.pdfIn PDF document text
  • https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/16132980b4d7b5---205194347.pdfIn PDF document text
  • https://nulifeus.com/~nulife/userfiles/file/kanasitezebojugerojoti.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=original+movie+makerPDF 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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