PDF malware analysis — malicious · 3121fa6634107726

MALICIOUS

PDF

43.8 KB Created: 2021-06-03 09:25:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 4af60cb4fe9d87bf5aa23aca24c94c88 SHA-1: b920ab1d148666c305a4c4503da11037d88bc901 SHA-256: 3121fa663410772608c49d450cb6856b4df288dda105552cf28bf777cc1e82c2

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious File

The document contains lures for game cheats and hacks, specifically mentioning 'Coin Master' and 'Robux'. It includes a direct link to download a file from 'netcdn.online', which is likely a malicious payload. The heuristic 'SE_SECRET_RECOVERY_LURE' suggests the document may also attempt to phish for sensitive credentials.

Machine Learning

Nyx PDF Classifier malicious score 0.9865

Heuristics 4

Recovery secret / private key request critical SE_SECRET_RECOVERY_LURE

Document requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
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.online/app/406889139/coin-master-gift-hack-game-hack
- https://morishita-tc.com.tw/image/data/files/how-to-get-free-coins-in-coin-master_GM406889139.pdf
- https://morishita-tc.com.tw/image/data/files/minecraft-xbox-one-free_GM479516143.pdf
- https://morishita-tc.com.tw/image/data/files/free-spins-for-coin-master-game_GM406889139.pdf
- https://morishita-tc.com.tw/image/data/files/coin-master-free-spins-hacktman_GM406889139.pdf
- https://morishita-tc.com.tw/image/data/files/coin-master-hack-safe_GM406889139.pdf
- https://morishita-tc.com.tw/image/data/files/coin-master-hack-with-facebook-login_GM406889139.pdf
- https://morishita-tc.com.tw/image/data/files/free-robux-generator-no-human-verification-2021_GM431946152.pdf
- https://morishita-tc.com.tw/image/data/files/coin-master-free-spins-2021-today_GM406889139.pdf
- https://morishita-tc.com.tw/image/data/files/coin-master-hack-to-get-free-spins_GM406889139.pdf
- https://morishita-tc.com.tw/image/data/files/coin-master-daily-gifts_GM406889139.pdf
- https://morishita-tc.com.tw/image/data/files/free-400-spins-coins-master_GM406889139.pdf
- https://morishita-tc.com.tw/image/data/files/free-robux-gen_GM431946152.pdf
- https://morishita-tc.com.tw/image/data/files/free-coins-and-spins-for-coin-master-game_GM406889139.pdf
- https://morishita-tc.com.tw/image/data/files/coin-master-100-spin-hack_GM406889139.pdf
- https://morishita-tc.com.tw/image/data/files/free-spin-coin-master-twitter_GM406889139.pdf
- https://morishita-tc.com.tw/image/data/files/how-to-get-more-spins-on-coin-master-hack_GM406889139.pdf
- https://morishita-tc.com.tw/image/data/files/plug-toolbox-for-minecraft-free-ios_GM479516143.pdf
- https://morishita-tc.com.tw/image/data/files/coin-master-hack-tool-apk-download_GM406889139.pdf
- https://morishita-tc.com.tw/image/data/files/minecraft-free-exe_GM479516143.pdf
- https://morishita-tc.com.tw/image/data/files/free-draw-roblox_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_004_off0000506c.bin` `6b1ef10724e92273d6779013caaaf8780ec921bfc94e3a7962e2e6149ab6f847`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x506C	25260 bytes
`font_01_sfnt_off00008a2c.bin` `957a0c75666bd7c87feeac74b2953bd857188234cb967c7fff45393338fdcac0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8A2C	17716 bytes

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