How do I highlight the tags value in pdf

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C#

.NET

Blazor

I am having one upload functionality in blazor,i.e.,i have one upload document in pdf format and am reading the tags and values from pdf using c# in blazor pages.
after doing that reading tags and its values,i am dispalying the data in table format using mudpanel tab.
The problem here is whenever i mouse over the table row, in pdf the tag value should highlight in red color.
I am trying to resolve this thing from 2 days still did not found.i was unable to attach screen shot
So please help me to resolve this

What I have tried:

did not found anything related to this