1) Login to the Kordil EDMS application and go to documents and add a document, like how will u add documents to an EDMS system.
2) Then choose the document as a simple php backdoor file or any backdoor/web shell could be used.
3) upload .php web shell or backdoor
4) After uploading the document go to “/documents” folder, for eg; “example.com/kordil_edms/documents/”
5) Now go to example.com/kordil_edms/documents/backdoor.php?cmd=dir to get the command response in browser.