Hebrew letters are written in Chinese calligraphy style, they were transformed to Chinese radicals or strokes lookalike.
Re-arrange the Hebrew letters into a square, start from top to bottom, or right to left. The final words look like Chinese characters. This video shows the writing of :
שנה טובה
גמר חתימה טובה
חג סוכות שמח
שמה ישראל