PDF malware analysis — malicious · 8fab489eb3ed5478

MALICIOUS

PDF

43.9 KB Created: 2021-05-14 02:37:39 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: dbb185a342cc26958ad858f2529dae99 SHA-1: 23ea8d9f72927f54d7a7de3f880c41284de0a307 SHA-256: 8fab489eb3ed54789a6f02a97878e64a30e8a693a31b6e98d90e771f7635ac31

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The document displays a fake CAPTCHA and download button, aiming to trick the user into clicking a malicious link. The embedded URL and numerous other URLs point to sites offering game-related cheats or hacks, suggesting a lure for potentially unwanted software or malware. The ML classifier also strongly flagged this PDF as malicious.

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/479516143/how-to-get-minecraft-windows-10-for-free-2021-game-hack
- https://gimnaziya6.kz/images/roblox-zone-free-robux_GM431946152.pdf
- https://gimnaziya6.kz/images/the-coin-master-hack_GM406889139.pdf
- https://gimnaziya6.kz/images/robux-premium_GM431946152.pdf
- https://gimnaziya6.kz/images/roblox-com-free-robux_GM431946152.pdf
- https://gimnaziya6.kz/images/www-robux-us_GM431946152.pdf
- https://gimnaziya6.kz/images/100-robux_GM431946152.pdf
- https://gimnaziya6.kz/images/coin-master-free-spin-today-2021_GM406889139.pdf
- https://gimnaziya6.kz/images/minecraft-free-reddit_GM479516143.pdf
- https://gimnaziya6.kz/images/free-robux-no-email_GM431946152.pdf
- https://gimnaziya6.kz/images/hacks-for-minecraft-windows-10_GM479516143.pdf
- https://gimnaziya6.kz/images/can-you-get-minecraft-for-free-on-pc_GM479516143.pdf
- https://gimnaziya6.kz/images/coin-master-hack-2021-apk-download_GM406889139.pdf
- https://gimnaziya6.kz/images/how-can-i-play-minecraft-for-free_GM479516143.pdf
- https://gimnaziya6.kz/images/how-to-get-free-spins-on-coin-master-2021_GM406889139.pdf
- https://gimnaziya6.kz/images/how-to-get-robux-easy_GM431946152.pdf
- https://gimnaziya6.kz/images/free-robux-glitch_GM431946152.pdf
- https://gimnaziya6.kz/images/roblox-robux-hack-generator_GM431946152.pdf
- https://gimnaziya6.kz/images/coin-master-game-hack-kaise-kare_GM406889139.pdf
- https://gimnaziya6.kz/images/coin-master-hack-that-actually-works_GM406889139.pdf
- https://gimnaziya6.kz/images/how-to-hack-and-get-free-robux_GM431946152.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_off00004d63.bin` `865c23bfabc153d6ff6defb326ca74352c65dea0bd67c1a752a0f90cd844055a`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4D63	25836 bytes
`font_01_sfnt_off0000884b.bin` `354bb2c2c4fae14b5c7df711c8f5a389dfe67cd832e4a835714c7b2f7ea7fa4d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x884B	18648 bytes

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