Suspicious Print Spooler SPL File Created

file where host.os.type == "windows" and event.type != "deletion" and
  file.extension : "spl" and
  file.path : "?:\\Windows\\System32\\spool\\PRINTERS\\*" and
  not process.name : ("spoolsv.exe",
                      "printfilterpipelinesvc.exe",
                      "PrintIsolationHost.exe",
                      "splwow64.exe",
                      "msiexec.exe",
                      "poqexec.exe",
                      "System") and
  not user.id : "S-1-5-18" and
  not process.executable :
            ("?:\\Windows\\System32\\mmc.exe",
             "\\Device\\Mup\\*.exe",
             "?:\\Windows\\System32\\svchost.exe",
             "?:\\Windows\\System32\\mmc.exe",
             "?:\\Windows\\System32\\printui.exe",
             "?:\\Windows\\System32\\mstsc.exe",
             "?:\\Windows\\System32\\spool\\*.exe",
             "?:\\Program Files\\*.exe",
             "?:\\Program Files (x86)\\*.exe",
             "?:\\PROGRA~1\\*.exe",
             "?:\\PROGRA~2\\*.exe",
             "?:\\Windows\\System32\\rundll32.exe")