MALICIOUS — free-items-roblox-avatar_GM431946152.pdf

MALICIOUS — free-items-roblox-avatar_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: b56acb23bb75ad81f8f1c5fa9b2c04df663861f072eeddbaee3ca285f1b17958
• SHA-1: a3a6d24a2b54f269b5c9fe971f2ed4547c508eb5
• MD5: d6ce0ade6ee29e13cb3e0c9a51cc73cc
• ssdeep: 768:VUrw1UoUrdpTIq7qPc0aQbHxz6w+KjtAhGrCktG+l/UD+KKlnVxJI7BEQ1y32:VUU1U3Rp9Mn74SpCiG+kUxS7ts32
• TLSH: T1D0327DF710A7DD9C7A4A4F0329F6342E749AE3846276EA9044D87A2CD13C6FD6F00621
• Submitted as: free-items-roblox-avatar_GM431946152.pdf
• File type: pdf · Size: 46546 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!D6CE0ADE6EE2
• 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/roblox-robux-codes-2021_GM431946152.pdf - network signal, weight 0.70, confidence 0.80
• Embedded network infrastructure: https://netcdn.tw/app/431946152/free-items-roblox-avatar-game-hack, http://www.biochemix.com/uploaded_files/userfiles/files/2021-free-spins-on-coin-master_GM406889139.pdf, http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-cheats_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

• https://netcdn.tw/app/431946152/free-items-roblox-avatar-game-hack
• http://www.biochemix.com/uploaded_files/userfiles/files/2021-free-spins-on-coin-master_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-cheats_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/robux-fun-hack_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/rbx-claim_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/roblox-robux-codes-2021_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/dominus-roblox-free_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-free-coins-and-spins-link_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-hack-app-2021-download_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-robux-without-survey_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-hack-mod-apk-unlimited-spins_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-free-robux-without-human-verification-2021_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-daily-free-coins-link-today_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/roblox-survivalist-alpha-hack_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-spins-and-coins-coin-master_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/ways-to-get-free-robux_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-cheat-codes-for-coin-master_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/roblox-generator-no-verification_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-coin-master-coins-and-spins_GM406889139.pdf

Embedded domains

• netcdn.tw
• www.biochemix.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report