MALICIOUS
62
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The ML classifier strongly indicated maliciousness, and the document body, though heavily obfuscated, contains references to game hacks and free spins, aligning with a lure for malicious downloads. The presence of multiple embedded URLs pointing to similar game-related content further supports this. Although no scripts were explicitly extracted, the PDF structure and embedded URIs suggest a potential for JavaScript execution (T1059.007) to facilitate the download of a second-stage payload, likely delivered via spearphishing attachment (T1566.001).
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
Heuristics 4
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Callback phishing phone lure medium SE_CALLBACK_LUREDocument 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.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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External URI info PDF_URIPDF contains an external URL action
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Embedded URL info EMBEDDED_URLOne 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/pixies-gigantic-coin-master-free-spins-and-coins-game-hack
- http://www.6636.com.tw/ad6636/upload/files/wizard-hacks_GM479516143.pdf
- http://www.6636.com.tw/ad6636/upload/files/script-executor-roblox-free_GM431946152.pdf
- http://www.6636.com.tw/ad6636/upload/files/roblox-adopt-me-hack_GM431946152.pdf
- http://www.6636.com.tw/ad6636/upload/files/roblox-bloxburg-hack_GM431946152.pdf
- http://www.6636.com.tw/ad6636/upload/files/minecraft-launcher-free_GM479516143.pdf
- http://www.6636.com.tw/ad6636/upload/files/free-robux-accounts_GM431946152.pdf
- http://www.6636.com.tw/ad6636/upload/files/hacking-apps-for-roblox_GM431946152.pdf
- http://www.6636.com.tw/ad6636/upload/files/free-robux-on-iphone_GM431946152.pdf
- http://www.6636.com.tw/ad6636/upload/files/windows-10-minecraft-free-with-java_GM479516143.pdf
- http://www.6636.com.tw/ad6636/upload/files/coin-master-hacks-for-cards_GM406889139.pdf
- http://www.6636.com.tw/ad6636/upload/files/roblox-robux-hack_GM431946152.pdf
- http://www.6636.com.tw/ad6636/upload/files/android-coin-master-3433-apk-hack_GM406889139.pdf
- http://www.6636.com.tw/ad6636/upload/files/www-free-robux_GM431946152.pdf
- http://www.6636.com.tw/ad6636/upload/files/coin-master-claim-free-spins_GM406889139.pdf
- http://www.6636.com.tw/ad6636/upload/files/how-to-hack-roblox_GM431946152.pdf
- http://www.6636.com.tw/ad6636/upload/files/free-spins-coin-master-2021-no-verification_GM406889139.pdf
- http://www.6636.com.tw/ad6636/upload/files/coin-master-daily-gift-free-spins-and-coins_GM406889139.pdf
- http://www.6636.com.tw/ad6636/upload/files/earn-free-robux_GM431946152.pdf
- http://www.6636.com.tw/ad6636/upload/files/minecraft-ps4-free_GM479516143.pdf
- http://www.6636.com.tw/ad6636/upload/files/free-robux-picture_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_003_off0000494d.bin3ce73964e4afc7969e5d33ed1f72ca7654af70db28ce7f29287c4efdc9c45462 |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x494D | 25220 bytes |
font_01_sfnt_off000081ba.bin8f000bae38c69ec85c136b70395cc10e4f920ccf38053110581b6f837f7501c8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x81BA | 18712 bytes |
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