MALICIOUS — coin-master-free-spins-link-2021-twitter_GM406889139.pdf

MALICIOUS — coin-master-free-spins-link-2021-twitter_GM406889139.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (75/100). 4 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: 9451b82de38dec5a6418e6f3e52d4e3800ea47eac2b7d86167ee9ea747458331
• SHA-1: 0b5eeda5fdc2a894fb1239caaca970dcf2c690e9
• MD5: c406b312fbb0b996a5e0a025661108ca
• ssdeep: 768:RTflc2ltPWsAnFxEWcOkaN7WRx5iq3pLIKOjWEnP8NGffdr8O:RREsPbo7OTiq3VrGNnP8NGfFr8O
• TLSH: T12F30BFF3521BCD5816838B13EAB552657109968D7261CE84A6D93EBCCC282FC9F60732
• Submitted as: coin-master-free-spins-link-2021-twitter_GM406889139.pdf
• File type: pdf · Size: 39268 bytes
• Verdict: malicious (75/100)

Detections (4 of 53 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!C406B312FBB0

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://instrutech.co.th/images/coinmaster-rewards_GM406889139.pdf - network signal, weight 0.70, confidence 0.80
• Embedded network infrastructure: https://netcdn.xyz/app/406889139/coin-master-free-spins-link-2021-twitter-game-hack, http://instrutech.co.th/images/coinmaster-rewards_GM406889139.pdf, http://instrutech.co.th/images/free-minecraft-shaders_GM479516143.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

• https://netcdn.xyz/app/406889139/coin-master-free-spins-link-2021-twitter-game-hack
• http://instrutech.co.th/images/coinmaster-rewards_GM406889139.pdf
• http://instrutech.co.th/images/free-minecraft-shaders_GM479516143.pdf
• http://instrutech.co.th/images/roblox-hack-site_GM431946152.pdf
• http://instrutech.co.th/images/earn-robux-for-roblox_GM431946152.pdf

Embedded domains

• netcdn.xyz
• instrutech.co.th

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report