# MAL-2025-5837: Malicious code in test-package-avinav (PyPI)


- **Type:** Malicious package
- **Package:** `test-package-avinav` (PyPI)
- **Published:** 12 Jul 2025

## What is MAL-2025-5837?

MAL-2025-5837 is a malicious package in test-package-avinav, published on 12 Jul 2025. 

### Official description

During installation, a heavily obfuscated code is executed. Exact behaviour unclear

---

Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.

Campaign: 2025-07-test-package-avinav

Reasons (based on the campaign):

 - obfuscation

The OpenSSF Package Analysis project identified 'test-package-avinav' @ 0.0.1 (pypi) as malicious.

It is considered malicious because:

- The package communicates with a domain associated with malicious activity.

## What should I do about MAL-2025-5837?

Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.

## Fix prompt for AI coding agents

```text
MAL-2025-5837 is a malicious package: test-package-avinav (PyPI). Every version was published to cause harm.

Task:
1. Search this repository's dependency manifests and lockfiles for the package, including transitive dependencies.
2. If it is present, remove it, regenerate the lockfile with the project's package manager, and replace whatever it was used for.
3. List any CI runners, developer machines or containers that installed it, so their secrets can be rotated.
4. If the package is not used anywhere, say so and change nothing.

Reference: https://insights.sbomify.com/MAL-2025-5837/ (Markdown: https://insights.sbomify.com/MAL-2025-5837/index.md)
```

## Sources

- OSV: https://osv.dev/vulnerability/MAL-2025-5837

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From sbomify Insights: https://insights.sbomify.com/MAL-2025-5837/
Summaries are generated and may contain mistakes; the official description above is the record.