From here:

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Searches related to da39a3ee5e6b4b0d3255bfef95601890afd80709

Problem is: That is the SHA-1 hash of the empty string:
>>> import hashlib
>>> hashlib.sha1('').hexdigest()
'da39a3ee5e6b4b0d3255bfef95601890afd80709'

And of course the complaint is about files that are porn.image