MALICIOUS — free-robux-co_GM431946152.pdf

MALICIOUS — free-robux-co_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (75/100). 5 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: 25559699e53714dab2bd3c92dd47eaf0dbf37a97e7209ad2c819e4c2395f59de
• SHA-1: b7eda282d52129b71e6a4cde20e6deda9a1658e3
• MD5: 3d6805d4de27520438bb90fb8766b658
• ssdeep: 768:sTPEbRCVsxfTjOnOB4p3uLDVcw0ckDz2A/3X9WYSz:u0CeLKnOBxL5cw0c8KAVWY4
• TLSH: T16F2F5DF75093CC4C658A9B1379F614A934C9E78861BBEA5084DC7B2CE0BD5BE2F10921
• Submitted as: free-robux-co_GM431946152.pdf
• File type: pdf · Size: 35517 bytes
• Verdict: malicious (75/100)

Detections (5 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!3D6805D4DE27
• Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

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/free-spin-today-coin-master_GM406889139.pdf - network signal, weight 0.70, confidence 0.80
• Embedded network infrastructure: http://netcdn.co/app/431946152/free-robux-co-game-hack, http://www.biochemix.com/uploaded_files/userfiles/files/rbx-claim_GM431946152.pdf, http://www.biochemix.com/uploaded_files/userfiles/files/dora-creates-a-free-robux-scam_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.co/app/431946152/free-robux-co-game-hack
• http://www.biochemix.com/uploaded_files/userfiles/files/rbx-claim_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/dora-creates-a-free-robux-scam_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/ez-how-to-get-free-robux_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/unlimited-robux_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/louka-roblox-hacks_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/minecraft-launcher-download-free_GM479516143.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/hack-para-tener-robux-gratis-sorteo-de-100-robux_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-free-spins-link_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-spin-today-coin-master_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-level-4_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-minecraft-addons_GM479516143.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/fast-and-easy-way-to-get-free-robux_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/cm-spins_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-free-spins-link-today-hack_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-create-group-in-coin-master-free-spins_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-a-free-minecraft-account_GM479516143.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-hack-no-human-verification-2021_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-minecraft-worlds_GM479516143.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/top-5-juego-hackeado-roblox_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-hack-roblox-in-1-min_GM431946152.pdf

Embedded domains

• netcdn.co
• www.biochemix.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report