MALICIOUS — free-robux-glitch-2021_GM431946152.pdf

MALICIOUS — free-robux-glitch-2021_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (75/100). 4 of 50 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: 2165bf01862ea68344352a0a4b23573e0519f4a2e35425c627017e63ad5095ae
• SHA-1: a444074aba5b4e44c7d938c8a7e58670f807e2de
• MD5: a3d7dd49e7e960beedadbbb4d51d31d6
• ssdeep: 384:wLxWqf9VQQYxjqLfsSG5dMtBbfLr2Pk/1yw5GosIc0jcMerPnBWCUS9QpnqGPVFC:+QwXsgFW8cwgopInQFVHFPuoW
• TLSH: T19E2F6CF721D7CC4C364A8F0768F6244924D9F384627BEA5044E8BB6DE07C6BD6B11621
• Submitted as: free-robux-glitch-2021_GM431946152.pdf
• File type: pdf · Size: 35562 bytes
• Verdict: malicious (75/100)

Detections (4 of 50 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• Microsoft Defender: Trojan:PDF/Phish.CFN!MTB
• Emsisoft (Emergency Kit): PDF.Spam.Heur.2
• Trellix Stinger (McAfee): PDF/Phish-TWM!A3D7DD49E7E9

MITRE ATT&CK

• T1566.002

Why this verdict

The malicious score of 75/100 is the fusion of 4 weighted signals:

• Embedded link rated malicious by URL analysis: http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-free-coins-2021_GM406889139.pdf - network signal, weight 0.70, confidence 0.80
• Embedded network infrastructure: http://netcdn.tw/app/431946152/free-robux-glitch-2021-game-hack, http://www.biochemix.com/uploaded_files/userfiles/files/moonactive-coin-master-hack_GM406889139.pdf, http://www.biochemix.com/uploaded_files/userfiles/files/free-robux-with-no-survey_GM431946152.pdf - static signal, weight 0.35, confidence 0.60
• Document active content: uri-action - static signal, weight 0.30, confidence 0.60
• Packing/obfuscation: high-entropy-blob - static signal, weight 0.25, confidence 0.55

Dynamic analysis

No runtime behaviour was captured for this sample, so the analysis above is static only. That is a limit of this run rather than evidence the sample does nothing.

Embedded URLs

• http://netcdn.tw/app/431946152/free-robux-glitch-2021-game-hack
• http://www.biochemix.com/uploaded_files/userfiles/files/moonactive-coin-master-hack_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-robux-with-no-survey_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-robux-generator-for-kids_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/roblox-hack-page_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-robuxs-works_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-robux-python_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-minecraft-for-free-ios_GM479516143.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-free-spins-activegamer_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-free-coins-2021_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-give-robux-on-mobile_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/roblox-working-robux-hack-2021_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-free-spin-codes_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/today-free-spin-coin-master_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/www-roblox-com-free-play_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-robux-hack-us_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-bc-generator-roblox_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/roblox-install-free_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-coin-master-free-spins-in-email_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/roblox-how-to-get-free-robux-website_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/hack-coin-master-spin_GM406889139.pdf

Embedded domains

• netcdn.tw
• www.biochemix.com

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