PDF malware analysis — malicious · 1ed6cd3de73a47c7

MALICIOUS

PDF

46.2 KB Created: 2021-05-15 03:01:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 96f684cf06d6a93a88e3eec8087303d7 SHA-1: a70d8d43e0f14920e7fe63827756caf07526f5f1 SHA-256: 1ed6cd3de73a47c709a3468ff80ded91e6f6bba6df0ee6b57ee255c26775b50d

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The document presents a fake CAPTCHA or human verification prompt to trick the user into clicking a link. The primary embedded URL, https://netcdn.xyz/app/406889139/free-spins-coin-master-links-blogspot-game-hack, and numerous other URLs point to sites offering game-related cheats or hacks, suggesting a lure for potentially malicious downloads or redirects. No scripts were extracted, but the PDF structure and heuristics indicate a malicious intent to deceive the user.

Machine Learning

Nyx PDF Classifier malicious score 0.9432

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/406889139/free-spins-coin-master-links-blogspot-game-hack
- http://sd-olimp.hr/files/bloxawards-com-earn-free-robux_GM431946152.pdf
- https://www.sd-olimp.hr/files/how-to-hack-roblox-to-get-free-robux_GM431946152.pdf
- https://www.sd-olimp.hr/files/how-to-hack-minecraft_GM479516143.pdf
- http://sd-olimp.hr/files/how-do-you-get-free-robux_GM431946152.pdf
- https://www.sd-olimp.hr/files/free-minecraft-codes_GM479516143.pdf
- https://www.sd-olimp.hr/files/free-robux-exe_GM431946152.pdf
- http://sd-olimp.hr/files/rbxfree-com-free-robux_GM431946152.pdf
- http://sd-olimp.hr/files/is-minecraft-free-on-xbox_GM479516143.pdf
- https://www.sd-olimp.hr/files/coin-master-hack-tips_GM406889139.pdf
- https://www.sd-olimp.hr/files/app-store-coin-master-free-spins_GM406889139.pdf
- https://www.sd-olimp.hr/files/coin-master-daily-free-spins-link-app_GM406889139.pdf
- http://sd-olimp.hr/files/free-robux-hack-no-human-verification-or-survey_GM431946152.pdf
- http://sd-olimp.hr/files/free-roblox-hack_GM431946152.pdf
- https://www.sd-olimp.hr/files/play-full-version-of-minecraft-for-free-no-download_GM479516143.pdf
- https://www.sd-olimp.hr/files/robux-com-free-robux_GM431946152.pdf
- http://sd-olimp.hr/files/instant-robux_GM431946152.pdf
- https://www.sd-olimp.hr/files/free-roblox-glasses_GM431946152.pdf
- https://www.sd-olimp.hr/files/how-to-get-spins-on-coin-master-hack_GM406889139.pdf
- http://sd-olimp.hr/files/free-robux-no-scam_GM431946152.pdf
- https://www.sd-olimp.hr/files/coin-master-free-coins-link-2021_GM406889139.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004941.bin` `6f2a3807916af5638cda2c5076d72c79f283437164a5f973fb74d110dab1737f`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4941	26288 bytes
`font_01_sfnt_off0000873b.bin` `10d025f04f706eb71cdda4f99784df1b9ccb52e48080e43095e0398eaef6f132`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x873B	2880 bytes
`font_02_sfnt_off00009125.bin` `e19cb03e4db5dc0ff2825ab1b6cd29120edbbac4e5fd870bab1836bcb421f615`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9125	18632 bytes

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