MALICIOUS — rbl-robux-gives-hack_GM431946152.pdf

MALICIOUS — rbl-robux-gives-hack_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: 4b3b465d332316a04ad4161b26cdc0647d658e2b4742893184b5accf51449cf8
• SHA-1: 15ff8826ce11d16d44edf062699e28dfa4b07801
• MD5: 5ea70bbb6434435f404bad0622257293
• ssdeep: 768:Usc/kjxYssKwyUH+RYf9tryh0c8iTAGx9Ev0:6/kjUeRY3GDT9x9Ev0
• TLSH: T140306BF751D3CC9C7A9A4B0369E7245964C8E384A177EA0041E87ABCE07C5BE6B60931
• Submitted as: rbl-robux-gives-hack_GM431946152.pdf
• File type: pdf · Size: 36127 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!5EA70BBB6434

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/minecraft-free-android_GM479516143.pdf - network signal, weight 0.70, confidence 0.80
• Embedded network infrastructure: http://netcdn.co/app/431946152/rbl-robux-gives-hack-game-hack, http://www.biochemix.com/uploaded_files/userfiles/files/free-roblox-account-site-youtubecom_GM431946152.pdf, http://www.biochemix.com/uploaded_files/userfiles/files/free-robux-no-verification-no-download_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/rbl-robux-gives-hack-game-hack
• http://www.biochemix.com/uploaded_files/userfiles/files/free-roblox-account-site-youtubecom_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-robux-no-verification-no-download_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-earn-robux-for-free-2021_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-hack-accounts-in-roblox-2021_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/hey-google-how-do-you-get-free-robux_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-robux-codes-2021-no-survey_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-robux-wheel_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/minecraft-free-android_GM479516143.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/roblox-free-hair-boy_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-free-robux-without-verification-or-surveys_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/como-tener-robux-gratis-sin-hacks-facil-y-rapido-2021_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/robux-earner_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/roblox-fun-robux_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-tiktok-followers-without-verification_GM835599320.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/roblox-how-to-get-free-stuff-2021_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/apk-hack-coin-master_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/legit-free-spins-coin-master_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-daily-spin-free_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-hack-no-verification-2021_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/roblox-gmes-were-their-isa-in-game-money-cheat_GM431946152.pdf

Embedded domains

• netcdn.co
• www.biochemix.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report