Really possible trojans??

Possible Trojan - /usr/bin/pl2pm
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Possible Trojan - /usr/bin/pod2man
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Possible Trojan - /usr/bin/pod2text
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Possible Trojan - /usr/bin/podchecker
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Possible Trojan - /usr/bin/pstruct
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Possible Trojan - /usr/bin/s2p
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Possible Trojan - /usr/bin/splain