MALICIOUS — free-robux-windows-7_GM431946152.pdf

MALICIOUS — free-robux-windows-7_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: aa16eb0ba1b9b7be8863d3882b305bd97790db7f70ac731ff20f480c67080542
• SHA-1: 3b074014a233947bcc4c3a0d0e3b554bdc91c163
• MD5: 762d298842b5f5ac877f038eef17a74d
• ssdeep: 768:b9P9IdsO73MpUJcR4GaeddCt5HPlllqG4FM:BP9A2UJcR4neTy50FM
• TLSH: T1B52F6CF70057CD8C764A8F077AFA252964C9D38964BBEA5085987B3CE07D0BE3B11921
• Submitted as: free-robux-windows-7_GM431946152.pdf
• File type: pdf · Size: 34635 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!762D298842B5
• 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-spins-and-coins-on-coin-master_GM406889139.pdf - network signal, weight 0.70, confidence 0.80
• Embedded network infrastructure: http://netcdn.co/app/431946152/free-robux-windows-7-game-hack, http://www.biochemix.com/uploaded_files/userfiles/files/free-coin-master-coins-and-spins_GM406889139.pdf, http://www.biochemix.com/uploaded_files/userfiles/files/free-spins-and-coins-on-coin-master_GM406889139.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-windows-7-game-hack
• http://www.biochemix.com/uploaded_files/userfiles/files/free-coin-master-coins-and-spins_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-spins-and-coins-on-coin-master_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/minish-roblox-hacker_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-free-robux-inspect-element-no-wait-2021_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-free-robux-100-working-secret-method_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/roblox-hack-game_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-robux-com-2021_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-roblox-games-for-geust_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/hackear-juego-coin-master_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-spins-on-coin-master-cheat_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-free-spins-haktuts_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-ban-people-on-roblox-hack_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-cheats-free_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/roblox-glitch-site-free-robux_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/earn-robux-online_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-free-robux-gift-cards_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/roblox-hack-me_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-free-robux-without-download-apps-or-survey_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-hack-robux-items-for-free_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/minecraft-iphone-free_GM479516143.pdf

Embedded domains

• netcdn.co
• www.biochemix.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report