PDF malware analysis — malicious · feb4ee27912e9087

MALICIOUS

PDF

45.4 KB Created: 2021-06-08 16:45:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: ef982c5fbf9a1fbd7eeae131306b7055 SHA-1: 6b3980714069cbd6d2e3141a0830425a01d7d21c SHA-256: feb4ee27912e90874ac4ba32e7c1d638434bf396746eed03b6b1c88eac79da8f

62 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a clear lure related to hacking online game accounts, specifically mentioning Roblox and Coin Master. The document body and extracted URLs point to websites offering "hacks" for these games. The presence of embedded URLs and the ML classifier's high confidence score indicate malicious intent, likely to redirect users to malicious sites for credential theft or further payload delivery.

Machine Learning

Nyx PDF Classifier malicious score 0.9864

Heuristics 4

Callback phishing phone lure medium SE_CALLBACK_LURE

Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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.tw/app/431946152/how-to-hack-your-roblox-password-game-hack
- https://www.angelsbasket.com/uploaded_files/userfiles/files/coin-master-hack-spins-and-coins-unlimited-free_GM406889139.pdf
- https://www.angelsbasket.com/uploaded_files/userfiles/files/robux-hack-free-robux_GM431946152.pdf
- https://www.angelsbasket.com/uploaded_files/userfiles/files/roblox-bux-free_GM431946152.pdf
- https://www.angelsbasket.com/uploaded_files/userfiles/files/how-to-get-free-robux-hack_GM431946152.pdf
- https://www.angelsbasket.com/uploaded_files/userfiles/files/2021-free-spins-coin-master_GM406889139.pdf
- https://www.angelsbasket.com/uploaded_files/userfiles/files/how-to-download-minecraft-for-free_GM479516143.pdf
- https://www.angelsbasket.com/uploaded_files/userfiles/files/minecraft-redeem-code-free-2021_GM479516143.pdf
- https://www.angelsbasket.com/uploaded_files/userfiles/files/free-spins-for-coin-master_GM406889139.pdf
- https://www.angelsbasket.com/uploaded_files/userfiles/files/how-to-get-free-robux-instantly_GM431946152.pdf
- https://www.angelsbasket.com/uploaded_files/userfiles/files/free-robux-live_GM431946152.pdf
- https://www.angelsbasket.com/uploaded_files/userfiles/files/coin-master-free-coins-twitter_GM406889139.pdf
- https://www.angelsbasket.com/uploaded_files/userfiles/files/free-coin-link-for-coin-master_GM406889139.pdf
- https://www.angelsbasket.com/uploaded_files/userfiles/files/free-coins-and-spins-coin-master-2021_GM406889139.pdf
- https://www.angelsbasket.com/uploaded_files/userfiles/files/rbxfree-com-free-robux_GM431946152.pdf
- https://www.angelsbasket.com/uploaded_files/userfiles/files/free-minecraft-codes-2021_GM479516143.pdf
- https://www.angelsbasket.com/uploaded_files/userfiles/files/juego-hackeado-de-coin-master_GM406889139.pdf
- https://www.angelsbasket.com/uploaded_files/userfiles/files/how-to-hack-roblox-accounts-on-phone-2021_GM431946152.pdf
- https://www.angelsbasket.com/uploaded_files/userfiles/files/coin-master-hack-app-android-download_GM406889139.pdf
- https://www.angelsbasket.com/uploaded_files/userfiles/files/minecraft-pocket-apk_GM479516143.pdf
- https://www.angelsbasket.com/uploaded_files/userfiles/files/free-minecraft-maps-pe_GM479516143.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_off00004eff.bin` `cc220e61e62e21a2fe20fbaebd095c9c60763f64e76150b2a314ae17cf15dbaa`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4EFF	26676 bytes
`font_01_sfnt_off00008cd1.bin` `08c3abf848c2e32acc26679b92a0b21aaf88a29e059ec61ebdb31703a215af76`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8CD1	18976 bytes

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