PDF malware analysis — malicious · 61761171e48edf92

MALICIOUS

PDF

44.0 KB Created: 2021-05-13 02:09:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 1c4a07592eba492cc87d4d26cc886ca8 SHA-1: 19e3f3fd1a47adcecbf31e54dc6fcb28fce57b1b SHA-256: 61761171e48edf92037db9dfa7b3a254e6156f7225876e531b34cebd680eb1d1

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF document contains a fake CAPTCHA lure, designed to trick the user into executing a malicious file or visiting a malicious URL. The document body and extracted URLs suggest the lure is related to game hacks and cheats for popular games like Roblox and Coin Master. The primary malicious URL identified is https://netcdn.xyz/app/431946152/roblox-adopt-me-free-pets-game-hack, which likely serves as a download or redirect point for the payload.

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-adopt-me-free-pets-game-hack
- https://www.sonestad.se/library/repository/free-robux-codes-no-human-verification_GM431946152.pdf
- https://www.sonestad.se/library/repository/roblox-apk-hack_GM431946152.pdf
- https://www.sonestad.se/library/repository/apps-for-free-robux_GM431946152.pdf
- https://www.sonestad.se/library/repository/coin-master-hack-pro-gamers_GM406889139.pdf
- https://www.sonestad.se/library/repository/robux-free-com_GM431946152.pdf
- https://www.sonestad.se/library/repository/free-spin-card-exchange-coin-master_GM406889139.pdf
- https://www.sonestad.se/library/repository/coin-master-hack-tool-v1-9-download-free_GM406889139.pdf
- https://www.sonestad.se/library/repository/free-robux-clothes_GM431946152.pdf
- https://www.sonestad.se/library/repository/roblox-free-clothes-hack_GM431946152.pdf
- https://www.sonestad.se/library/repository/robux-free-online_GM431946152.pdf
- https://www.sonestad.se/library/repository/minecraft-launcher-download-free_GM479516143.pdf
- https://www.sonestad.se/library/repository/coin-master-hack-2021-apk_GM406889139.pdf
- https://www.sonestad.se/library/repository/free-robux-no-verification-or-survey_GM431946152.pdf
- https://www.sonestad.se/library/repository/free-vip-server-roblox_GM431946152.pdf
- https://www.sonestad.se/library/repository/coin-master-heaven-free-spins-link-2021_GM406889139.pdf
- https://www.sonestad.se/library/repository/how-to-play-coin-master_GM406889139.pdf
- https://www.sonestad.se/library/repository/easy-robux-today-com_GM431946152.pdf
- https://www.sonestad.se/library/repository/rbxoffers-com-free-robux_GM431946152.pdf
- https://www.sonestad.se/library/repository/roblox-free-robux-website_GM431946152.pdf
- https://www.sonestad.se/library/repository/coin-master-blogspot-links_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_off00004baf.bin` `c0b7ee03e678976a491ca98bbca326288d972cc5caec6e9c87fc15b18c886b11`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4BAF	25832 bytes
`font_01_sfnt_off00008832.bin` `a111e2dc8205dfc00e4555b4d98f662ede2d97dc3f371afa84f139f680d29251`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8832	18752 bytes

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