MALICIOUS — free-robux-without-offers_GM431946152.pdf

MALICIOUS — free-robux-without-offers_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: de5bed77308c6f49bf3804b9a3179292be5c5832b7fe0c3d96fd64dc86524d64
• SHA-1: 14442c65f5b873243310d1b6b81e20e0e14a66c5
• MD5: 106f5823ae3629ea6650468ef46b881f
• ssdeep: 768:+omiLNYhpBpAs1cut8jDuaKGyGqXhEwrRj1vijp3l:+GLqDLCuB/XhEek3l
• TLSH: T1F02F6DF740E7CD5C7A869B137AFA1529A0CDE3887076EA1044EC771DA0BC5BE9B10521
• Submitted as: free-robux-without-offers_GM431946152.pdf
• File type: pdf · Size: 35405 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!106F5823AE36
• 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/coin-master-promo-code-2021_GM406889139.pdf - network signal, weight 0.70, confidence 0.80
• Embedded network infrastructure: http://netcdn.tw/app/431946152/free-robux-without-offers-game-hack, http://www.biochemix.com/uploaded_files/userfiles/files/minecraft-mobile-free_GM479516143.pdf, http://www.biochemix.com/uploaded_files/userfiles/files/como-sacar-buen-puntaje-en-juego-coin-master-free-spins_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.tw/app/431946152/free-robux-without-offers-game-hack
• http://www.biochemix.com/uploaded_files/userfiles/files/minecraft-mobile-free_GM479516143.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/como-sacar-buen-puntaje-en-juego-coin-master-free-spins_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-gold-cards-for-coin-master_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/minecraft-iphone-free_GM479516143.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-free-clothing-on-roblox_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-gift-hack_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-promo-code-2021_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-robux-generator-no-verification_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/javascript-free-robux_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/hackear-coin-master-android_GM406889139.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-robux-codes-live_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/roblox-bubble-gum-simulator-hack-script-pastebin-2021_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-free-clothes-on-roblox-iphone_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/minecraft-windows-10-free_GM479516143.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-make-a-free-admin-game-in-roblox_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/free-minecraft-skin-creator_GM479516143.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/elemental-battlegrounds-roblox-hacks_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-free-robux-without-downloading-any-games_GM431946152.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/pokemon-go-free-hack-download_GM1094591345.pdf
• http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-robux-for-free-no-hacks-2021_GM431946152.pdf

Embedded domains

• netcdn.tw
• www.biochemix.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report