SUSPICIOUS — oprewards-robux_GM431946152.pdf

SUSPICIOUS — oprewards-robux_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (44/100). 5 of 50 detection engines flagged it.

Identification

• SHA-256: eecc0646c4e0d0f3882abe317a26db9537531169c0def30fecbc0b6d73be974d
• SHA-1: 24011e07670db8438738ae08ec03833c09305ef7
• MD5: e8f80b96c5f8325fe3daf31d8df09b59
• ssdeep: 768:XRm66K5qkjlWqS3vzhnCNrgt035uRaNhjcvI/NRIIIIIIh4i2CNIflZ5PEFlGvQx:Z5Hk3vzIhYRaNhj7/3IIIIIIhYCIlZ5s
• TLSH: T1DA328EF31193DD4C7A5E8F03A5BA142AA4CDE3882177EA5090D8762CE43C9EE5F15631
• Submitted as: oprewards-robux_GM431946152.pdf
• File type: pdf · Size: 47450 bytes
• Verdict: suspicious (44/100)

Detections (5 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!E8F80B96C5F8
• Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

Why this verdict

The suspicious score of 44/100 is the fusion of 3 weighted signals:

• Embedded network infrastructure: https://netcdn.xyz/app/431946152/oprewards-robux-game-hack, http://www.biochemix.com/uploaded_files/userfiles/files/earn-free-robux-for-roblox_GM431946152.pdf, http://www.biochemix.com/uploaded_files/userfiles/files/free-old-roblox-accounts_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

• https://netcdn.xyz/app/431946152/oprewards-robux-game-hack
• http://www.biochemix.com/uploaded_files/userfiles/files/earn-free-robux-for-roblox_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-old-roblox-accounts_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-free-robux-2021-no-human-verification_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-minecraft-account-and-password-generator_GM479516143.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/minecraft-client-download_GM479516143.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/sites-to-get-free-robux_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-hacks-and-cheats_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-robux-generator-for-kids_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/hack-coin-master-mod-apk_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-free-spins-and-coins-daily_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-robux-no-verification-2021-ios_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/roblox-bloxburg-hack_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-do-you-get-free-robux-without-doing-anything_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-date-and-time-hack_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/minecraft-launcher-download-free_GM479516143.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-free-faces-on-roblox_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-really-hack-coin-master_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/hack-coin-master-ios_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-roblox-accounts-with-robux_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/www-roblox-com-robux-free_GM431946152.pdf

Embedded domains

• netcdn.xyz
• www.biochemix.com

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