@@ -229,6 +229,7 @@ char *pdf_parse_string(struct pdf_struct *pdf, struct pdf_obj *obj, const char *

     char *res;

     int likelyutf = 0;

     uint32_t objid;

+    size_t i;

     /*

      * Yes, all of this is required to find the start and end of a potentially UTF-* string

@@ -349,7 +350,15 @@ char *pdf_parse_string(struct pdf_struct *pdf, struct pdf_obj *obj, const char *

                     free(begin);

                     break;

                 default:

-                    res = pdf_convert_utf(begin, sb.st_size);

+                    for (i=0; i < sb.st_size; i++) {

+                        if (begin[i] >= 0x7f) {

+                            likelyutf=1;

+                            break;

+                        }

+                    }

+

+                    res = likelyutf ? pdf_convert_utf(begin, sb.st_size) : NULL;

+

                     if (!(res))

                         res = begin;

                     else