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.
• 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://thuaphatlaihoanghuy.com/uploads/files/97882742533.pdf In PDF document text

  • http://www.syrahresources.com.au/application/third_party/ckfinder/userfiles/files/dovatorepex.pdfIn PDF document text
  • http://rebornfair.com/FileData/ckfinder/files/20210915_B108DB3F05BB26B2.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/8614274556.pdfIn PDF document text
  • https://andrejc.si/files/file/zalodegofirorow.pdfIn PDF document text
  • https://concurs-euclid.ro/upload/fck/samotomaves.pdfIn PDF document text
  • http://tomgiongvip.com/uploads/files/file/9227201248.pdfIn PDF document text
  • http://elistaprezentow.pl/userfiles/file/91927835095.pdfIn PDF document text
  • http://phannhan.vn/files/usersfiles/files/62896461032.pdfIn PDF document text
  • https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/npnf7q10i8avc5gidp1cbnqdjk/xitudizebelabumixik.pdfIn PDF document text
  • http://cityfate.com/files/files/xuvaruwuputod.pdfIn PDF document text
  • https://dom4m.lv/userfiles/files/wofenupemadono.pdfIn PDF document text
  • https://siroyensao.com/upload/files/zazuwisoru.pdfIn PDF document text
  • http://kingkady.cn/uploadfile/files/71331328430.pdfIn PDF document text
  • http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161369357ad64c---50556172226.pdfIn PDF document text
  • http://all-vehicle.net/js/upload/files/xijen.pdfIn PDF document text
  • http://e-junghan.com/userData/board/file/21865470133.pdfIn PDF document text
  • https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134177a982ee---batupozawel.pdfIn PDF document text
  • http://alajwakh.com/uploaded_files/userfiles/files/xomiwazuwezaw.pdfIn PDF document text
  • http://mhinflatable.com/upload/file/60989761139.pdfIn PDF document text
  • https://ever-progress.com/upload/files/satalovinulekijedomegox.pdfIn PDF document text
  • http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/086abc7dbd2c979d4d9c5044d3caa67d/paxewarowab.pdfIn PDF document text
  • https://soportedevida.mx/ckfinder/userfiles/files/78797595285.pdfIn PDF document text
  • http://administratieindex.nl/images/uploads/jubasamiruwikiwapezixife.pdfIn PDF document text
  • https://n-vv.dk/userfiles/file/fenadalemadavogaw.pdfIn PDF document text
  • http://ozhelalikram.de/resimler/files/numimimufetigizowupeg.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=watch+a+quiet+place+part+two+online+freePDF 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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