Abstract of INFO-MAC archived encoded Mac binary file
   'vir/sam4-virus-defs-95-11.hqx'
  Uploaded 11/27/1995   32335 bytes

From: "Allan M. Bloom" <IRBLOOM@VTVM1.CC.VT.EDU>
Subject: SAM 4 Virus Defs 11/95

This is the latest version (4.07, 11/22/95) of SAM virus definitions
for version 4 of SAM. Do not use with version 3.

Sorry, no equivalent for SAM-3 was on CompuServe's Symantec forum. The
below message from Stephen Zeffren explains the update.

Al Bloom

New SAM Virus Definitions file and SAM Help file for DETECTION ONLY of
  the new MSWord Macro Viruses.  Download this file, expand by double
  clicking on it, and then drop the two files onto your System folder to
  replace  the older files there now.  Restart and you're set.