PDF malware analysis — malicious · b29748d163cbf1c0

MALICIOUS

PDF

43.8 KB Created: 2021-05-13 22:34:26 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: f082fb1a11ea74e630338041a97d3a82 SHA-1: 6c3b876db6eac1d81ae04f9ed9c0f243669b47d4 SHA-256: b29748d163cbf1c0883bd85c8a6dde084c3439d0eb2de22b59b04be76c2d1d03

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The document presents a fake CAPTCHA or human verification prompt to deceive users into interacting with malicious links. The embedded URL, https://netcdn.xyz/app/431946152/roblox-mobile-hack-game-hack, is likely intended to lead to the download of a second-stage payload. The document body and numerous other URLs suggest a lure related to game cheats or hacks.

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/roblox-mobile-hack-game-hack
- https://hotelyetihome.com/userfiles/files/free-coins-and-spins-coin-master_GM406889139.pdf
- https://hotelyetihome.com/userfiles/files/free-spins-for-coin-masters_GM406889139.pdf
- https://hotelyetihome.com/userfiles/files/coin-master-email-rewards-link_GM406889139.pdf
- https://hotelyetihome.com/userfiles/files/coin-master-hack-programmers_GM406889139.pdf
- https://hotelyetihome.com/userfiles/files/free-roblox-shirt-templates-2021_GM431946152.pdf
- https://hotelyetihome.com/userfiles/files/coin-master-cheat-codes-free_GM406889139.pdf
- https://hotelyetihome.com/userfiles/files/robuxy-com-free-robux_GM431946152.pdf
- https://hotelyetihome.com/userfiles/files/coin-master-hack-without-root_GM406889139.pdf
- https://hotelyetihome.com/userfiles/files/coin-master-hack-mod-apk-2021-download_GM406889139.pdf
- https://hotelyetihome.com/userfiles/files/login-robux_GM431946152.pdf
- https://hotelyetihome.com/userfiles/files/coin-master-new-link-free-spin_GM406889139.pdf
- https://hotelyetihome.com/userfiles/files/how-to-get-daily-free-spins-on-coin-master_GM406889139.pdf
- https://hotelyetihome.com/userfiles/files/coin-master-free-spins-and-coins-2021_GM406889139.pdf
- https://hotelyetihome.com/userfiles/files/free-robux-hack-no-verification_GM431946152.pdf
- https://hotelyetihome.com/userfiles/files/coin-master-pc-hack_GM406889139.pdf
- https://hotelyetihome.com/userfiles/files/robux-free-online_GM431946152.pdf
- https://hotelyetihome.com/userfiles/files/free-robux-2021_GM431946152.pdf
- https://hotelyetihome.com/userfiles/files/roblox-free-clothes-codes_GM431946152.pdf
- https://hotelyetihome.com/userfiles/files/coin-master-free-download-pc_GM406889139.pdf
- https://hotelyetihome.com/userfiles/files/get-free-spins-coin-master_GM406889139.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00004add.bin` `aeedae448371cee19b693c9a2e3d14d9c49e1a75d5ce10149c75402f03f81a67`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4ADD	26212 bytes
`font_01_sfnt_off00008832.bin` `e5e44b7d88d65c0aa39187413bdce35fa7eb26b841b7c8af9c826d312b99eefc`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8832	18500 bytes

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