ValueError: Unknown load command

[tr4px]

The following two malicious Mach-O files trigger an exception when loading the file:

• https://www.virustotal.com/gui/file/7d70bcde28fdf634b61a7e4d19c9cb5a6b8672c2ff81e20cd409004a9682c9e4
• https://www.virustotal.com/gui/file/a94e8454fee5ae105f707b7052cc4e91e1327d95562d0592afe2d2823d46c5ea

Using version https://pypi.org/project/macholib/1.16.3/

0cd0648adf0ac11168052f450bae6c5a8694b6de.zip (password "infected")
0615ead415b0603d3079469db5a24c94c9aa57d2.zip (password "infected")

Traceback (most recent call last):
  File "/home/user/mach.py", line 301, in parse
    mach = MachO(filepath)
  File "/usr/local/lib/python3.8/dist-packages/macholib/MachO.py", line 121, in __init__
    self.load(fp)
  File "/usr/local/lib/python3.8/dist-packages/macholib/MachO.py", line 136, in load
    self.load_header(fh, 0, size)
  File "/usr/local/lib/python3.8/dist-packages/macholib/MachO.py", line 171, in load_header
    hdr = MachOHeader(
  File "/usr/local/lib/python3.8/dist-packages/macholib/MachO.py", line 229, in __init__
    self.load(fh)
  File "/usr/local/lib/python3.8/dist-packages/macholib/MachO.py", line 266, in load
    raise ValueError("Unknown load command: %d" % (cmd_load.cmd,))
ValueError: Unknown load command: 268435456

parsererror_macho/0cd0648adf0ac11168052f450bae6c5a8694b6de
Traceback (most recent call last):
  File "/home/user/mach.py", line 301, in parse
    mach = MachO(filepath)
  File "/usr/local/lib/python3.8/dist-packages/macholib/MachO.py", line 121, in __init__
    self.load(fp)
  File "/usr/local/lib/python3.8/dist-packages/macholib/MachO.py", line 136, in load
    self.load_header(fh, 0, size)
  File "/usr/local/lib/python3.8/dist-packages/macholib/MachO.py", line 171, in load_header
    hdr = MachOHeader(
  File "/usr/local/lib/python3.8/dist-packages/macholib/MachO.py", line 229, in __init__
    self.load(fh)
  File "/usr/local/lib/python3.8/dist-packages/macholib/MachO.py", line 266, in load
    raise ValueError("Unknown load command: %d" % (cmd_load.cmd,))
ValueError: Unknown load command: 322376503