Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://3gr-group-com.gbintl.com/ci/userfiles/files/18739003586.pdf In PDF document text

  • http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614b063284091---63395642121.pdfIn PDF document text
  • http://safiorida.dk/operatori/userfiles/file/zebusokarugapabuzazege.pdfIn PDF document text
  • https://bhsbeacon.com/FCKeditor/file/37476038724.pdfIn PDF document text
  • http://saatgaamkansarasamaj.com/admin/uploads/files/xumujeduguwun.pdfIn PDF document text
  • https://akvanova.ru/sites/default/files/23323418176.pdfIn PDF document text
  • https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1612e9add1b20d---kozovezijabo.pdfIn PDF document text
  • https://www.huaikrachaohospital.go.th/assets/global/lib/ckfinder/userfiles/files/degezamug.pdfIn PDF document text
  • http://studiotecnicoarduini.eu/userfiles/files/62339310288.pdfIn PDF document text
  • http://brno-skoleni.cz/ckfinder/userfiles/files/72380297396.pdfIn PDF document text
  • http://japhina.com/upload/file/29358468771.pdfIn PDF document text
  • https://dynasty888.com/image/files/20211004_101406.pdfIn PDF document text
  • https://dacinsara.ro/fckfiles/file/57461834938.pdfIn PDF document text
  • http://spartapr.com/images/upload/file/ludawiromik.pdfIn PDF document text
  • http://e-skala.pl/userfiles/file/57982959060.pdfIn PDF document text
  • http://bbpcosmetics.com/admin/upFiles/2021-9/file/58140010137.pdfIn PDF document text
  • http://camara.acessoainformacao.org/uploads/ckfinder/files/54819451100.pdfIn PDF document text
  • http://zhjpharm.com/upload/files/94895816665.pdfIn PDF document text
  • https://thegioibaobicarton.com/Images_upload/files/22111233480.pdfIn PDF document text
  • http://canshu.dlzj.net/upload/files/20211012004837587784.pdfIn PDF document text
  • http://bjhtdszdh.com/v15/Upload/file/202110261317353618.pdfIn PDF document text
  • http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d6ea2eafc4---44230706959.pdfIn PDF document text
  • http://www.hkimm.hk/_bin/ckfinder/userfiles/files/segob.pdfIn PDF document text
  • https://onthespothousing.com/userfiles/file/kanezu.pdfIn PDF document text
  • http://didopack.com/files/joviz.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Gsjc/~3/cmwvf4RlXg4/uplcv?utm_term=best+food+for+indigestion+problemsPDF 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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