PDF malware analysis — malicious · 67bb9b25cda43250

MALICIOUS

PDF

43.3 KB Created: 2021-05-10 21:36:29 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 29e4ec8d5963f8b2f3c4c242967818b7 SHA-1: f8c6787713436b3db3b53ea85e6453f168fb6e83 SHA-256: 67bb9b25cda4325000ac9d9552464da4185f1b96b1d02944872699390a2ade20

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The document presents a lure for free Robux and game hacks, indicated by the document body and numerous embedded URLs. The presence of a fake CAPTCHA heuristic strongly suggests a social engineering tactic to trick users into interacting with malicious links or content. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

Nyx PDF Classifier malicious score 0.9969

Heuristics 4

Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA

Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
External URI info PDF_URI

PDF contains an external URL action
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL https://netcdn.xyz/app/431946152/get-me-free-robux-game-hack
- https://www.sauvonsleclimat.org/images/wurst-client-112-2_GM479516143.pdf
- https://www.sauvonsleclimat.org/images/roblox-got-talent-piano-hack_GM431946152.pdf
- https://www.sauvonsleclimat.org/images/roblox-hack-client_GM431946152.pdf
- https://www.sauvonsleclimat.org/images/free-exploits-for-roblox_GM431946152.pdf
- https://www.sauvonsleclimat.org/images/how-to-hack-roblox-passwords_GM431946152.pdf
- https://www.sauvonsleclimat.org/images/robux-scam_GM431946152.pdf
- https://www.sauvonsleclimat.org/images/free-robux-codes-2021-not-used_GM431946152.pdf
- https://www.sauvonsleclimat.org/images/free-coin-master-androd-cheats-2021_GM406889139.pdf
- https://www.sauvonsleclimat.org/images/smart-lodhi-coin-master-hack_GM406889139.pdf
- https://www.sauvonsleclimat.org/images/free-robux-human-verification_GM431946152.pdf
- https://www.sauvonsleclimat.org/images/roblox-its-free_GM431946152.pdf
- https://www.sauvonsleclimat.org/images/free-robux-earn_GM431946152.pdf
- https://www.sauvonsleclimat.org/images/coin-master-hack-version-2021-free-download_GM406889139.pdf
- https://www.sauvonsleclimat.org/images/websites-that-give-you-free-robux_GM431946152.pdf
- https://www.sauvonsleclimat.org/images/coin-master-attack-hack-apk_GM406889139.pdf
- https://www.sauvonsleclimat.org/images/is-minecraft-free-on-ps4_GM479516143.pdf
- https://www.sauvonsleclimat.org/images/free-spins-for-coin-master-2021_GM406889139.pdf
- https://www.sauvonsleclimat.org/images/minecraft-that-you-can-play-for-free_GM479516143.pdf
- https://www.sauvonsleclimat.org/images/coin-master-free-spons-apk-2021_GM406889139.pdf
- https://www.sauvonsleclimat.org/images/coin-master-free-spins-twitter_GM406889139.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004a39.bin` `ad8ff76205026c69121b347f2d91ae5306d82db0b2feb9fe81e6034dfa44b70b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4A39	26072 bytes
`font_01_sfnt_off000086dc.bin` `e3f176f8735a7a9c211288ec5f3dfc0a25536bb398bd4870e4b297ba4f960079`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x86DC	18312 bytes

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