commit afaa950: [Minor] Further improve patterns

[Vsevolod Stakhov]

Author: Vsevolod Stakhov
Date: 2020-05-11 17:03:00 +0100
URL: https://github.com/rspamd/rspamd/commit/afaa9500bb5b70e7e8d940ada684fff6e94793bc (HEAD -> master)

[Minor] Further improve patterns

---
 lualib/lua_magic/patterns.lua | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lualib/lua_magic/patterns.lua b/lualib/lua_magic/patterns.lua
index f741900ce..a19aba03c 100644
--- a/lualib/lua_magic/patterns.lua
+++ b/lualib/lua_magic/patterns.lua
@@ -26,13 +26,13 @@ local patterns = {
     -- These are alternatives
     matches = {
       {
-        string = [[^%PDF-\d]],
+        string = [[%PDF-[12]\.\d]],
         position = {'<=', 1024},
         weight = 60,
         heuristic = heuristics.pdf_format_heuristic
       },
       {
-        string = [[^%FDF-\d]],
+        string = [[%FDF-[12]\.\d]],
         position = {'<=', 1024},
         weight = 60,
         heuristic = heuristics.pdf_format_heuristic