MALICIOUS — how-to-free-robux-2021_GM431946152.pdf

MALICIOUS — how-to-free-robux-2021_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: 38e515a24194384033e912c823d32ea8937aa23ff932a0a5a301091af3b64bc4
• SHA-1: 8b78f7af6507cbd9c21e70f03c7cfb8db749d89f
• MD5: 38146a9fca51dfe567f273462ce1d2e2
• ssdeep: 768:5GXuscc1SdsC0tPa0iFc8Qe0Xjur4iroF/U/gUrcF:6KsC0tPajBQeIar4iEt6gUrcF
• TLSH: T14A2F6CF35157DC5C3A4BDF039EB7151E7482E2AD2162CA5461E9336CC0A8BDEAF40522
• Submitted as: how-to-free-robux-2021_GM431946152.pdf
• File type: pdf · Size: 35154 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!38146A9FCA51
• 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://library.futureuniversity.com/repository/free-minecraft-games-for-kids_GM479516143.pdf - network signal, weight 0.70, confidence 0.80
• Embedded network infrastructure: http://netcdn.co/app/431946152/how-to-free-robux-2021-game-hack, http://library.futureuniversity.com/repository/roblox-cheat-money-in-jailbreak_GM431946152.pdf, http://library.futureuniversity.com/repository/how-many-free-spin-links-is-there-for-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/how-to-free-robux-2021-game-hack
• http://library.futureuniversity.com/repository/roblox-cheat-money-in-jailbreak_GM431946152.pdf
• http://library.futureuniversity.com/repository/how-many-free-spin-links-is-there-for-coin-master_GM406889139.pdf
• http://library.futureuniversity.com/repository/roblox-polyguns-hack-credits_GM431946152.pdf
• http://library.futureuniversity.com/repository/free-redeem-code-on-roblox_GM431946152.pdf
• http://library.futureuniversity.com/repository/coin-master-free-spin-link-app_GM406889139.pdf
• http://library.futureuniversity.com/repository/roblox-exploit-level-7-free_GM431946152.pdf
• http://library.futureuniversity.com/repository/free-minecraft-games-for-kids_GM479516143.pdf
• http://library.futureuniversity.com/repository/coin-master-free-spins-no-generator_GM406889139.pdf
• http://library.futureuniversity.com/repository/how-to-get-free-robux-easy-2021-no-human-verification_GM431946152.pdf
• http://library.futureuniversity.com/repository/minecraft-pocket-edition-free_GM479516143.pdf
• http://library.futureuniversity.com/repository/how-to-get-free-robux-no-scam_GM431946152.pdf
• http://library.futureuniversity.com/repository/minecraft-free-apk-java-edition_GM479516143.pdf
• http://library.futureuniversity.com/repository/roblox-skywars-hack-script_GM431946152.pdf
• http://library.futureuniversity.com/repository/how-to-download-wall-hacks-on-roblox_GM431946152.pdf
• http://library.futureuniversity.com/repository/roblox-airport-free-game_GM431946152.pdf
• http://library.futureuniversity.com/repository/c00kid-roblox-hack-gui_GM431946152.pdf
• http://library.futureuniversity.com/repository/how-to-put-hacks-on-roblox_GM431946152.pdf
• http://library.futureuniversity.com/repository/how-can-you-get-free-robux_GM431946152.pdf
• http://library.futureuniversity.com/repository/free-spins-october-28-2021-coin-master_GM406889139.pdf
• http://library.futureuniversity.com/repository/roblox-free-promo-codes-2021_GM431946152.pdf

Embedded domains

• netcdn.co
• library.futureuniversity.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report