You can simply ignore the binary check as well using the following props attribute.
#******************************************************************************
# Binary file configuration
#******************************************************************************
NO_BINARY_CHECK = [true|false]
* When set to true, Splunk processes binary files.
* Can only be used on the basis of [<sourcetype>], or [source::<source>], not [host::<host>].
* Defaults to false (binary files are ignored).
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