Observations, not findings. Every construct below appears in ordinary, legitimate plugins — they are listed so you can judge for yourself. Only ClamAV decides this package's verdict.
shell_exec
Runs an operating-system command
System command15
assert
Can execute a string as code on old PHP
Code execution2
exec / system
Runs an operating-system command
System command2
unserialize
Unsafe when given untrusted input
Deserialization1
base64_decode
Decodes base64 — routine, but also how packed code hides
Obfuscation1
Referenced hosts
20 distinct
Domains appearing in the package source. Most are documentation links or CDNs; their presence is not evidence the package contacts them.