Characters coming as NULL

[vikrant-sancheti]

Number from my pdf file are coming as null.
These numbers sytle is showing -1.
After conversion to JSON , I have this.
{"x":6.078,"y":3.2969999999999997,"w":5.6,"oc":"#747474","sw":0.3450625,"A":"left","R":[{"T":"%00","S":-1,"TS":[2,13,0,0]}]}],"Fields":[],"Boxsets":[]}]}

Please guide how to solve this.

[modesty]

can you upload the PDF?