Malware Files Collected By Nepenthes - Imported Symbols Relation

With several binaries collected by nepenthes I have correlate the imported symbols with python module pefile and generate an interesting graph.

CSV:
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b02a18d2dca59219b86354a442a95b0e,USER32.DLL
146d61fca77d748f5a5ecff53afd30e4,KERNEL32.DLL
146d61fca77d748f5a5ecff53afd30e4,COMCTL32.DLL
95a7a3e5ea764eed286b53623f9521ab,KERNEL32.DLL
2059abe419dfeca527b7cf5b53bbee6f,KERNEL32.DLL
005472c686a5f84ad8e2dea597f50e1d,KERNEL32.DLL
005472c686a5f84ad8e2dea597f50e1d,ADVAPI32.DLL
005472c686a5f84ad8e2dea597f50e1d,MPR.DLL
005472c686a5f84ad8e2dea597f50e1d,OLEAUT32.DLL
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Regards