def get_suspicious_level(apk):
    """
    Compute suspicious level
    1 : Low
    2 : Medium
    3 : High
    """
    level = 1
    if apk.vt_link:
        if apk.vt_positives > 5:
            level = 3
        elif apk.vt_positives > 0:
            level = 2
    else:
        level = 2
    if apk.permissions_suspicious > 5:
        level = max(level, 2)
    return level
