magic(5) on FreeBSD
The text 4ad383072e7a, as FreeBSD 9.0-RELEASE, FreeBSD 8.4-RELEASE, FreeBSD 8.3-RELEASE, FreeBSD 8.2-RELEASE, FreeBSD 8.1-RELEASE shipped it.
file command's magic pattern file
The text 4ad383072e7a, as FreeBSD 9.0-RELEASE, FreeBSD 8.4-RELEASE, FreeBSD 8.3-RELEASE, FreeBSD 8.2-RELEASE, FreeBSD 8.1-RELEASE shipped it.
file command's magic pattern file