SUSPICIOUS — claim-free-robux_GM431946152.pdf

SUSPICIOUS — claim-free-robux_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (58/100). 5 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: 7139ca4341cb246e0b6bfba799baa6edf8b904b43ecd853a4935c81bbd83a16a
• SHA-1: e7423294ece9dcc01c81944eac34872ae9043b5c
• MD5: 33e2f385fd95c173942f281f130a5ed6
• ssdeep: 768:sXw/W38xjsc3O+nYqr3kEN57V9beyb3DDz3RmOakLr:yYXxwcYonx9beyjzc9kLr
• TLSH: T186307CF34157DC6C7A46AF03AEBB256E78CAE3546122CA5491C8363DD43C5DDAF00922
• Submitted as: claim-free-robux_GM431946152.pdf
• File type: pdf · Size: 35943 bytes
• Verdict: suspicious (58/100)

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!33E2F385FD95
• Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

MITRE ATT&CK

• T1566.002

Why this verdict

The suspicious score of 58/100 is the fusion of 4 weighted signals:

• Embedded link rated suspicious by URL analysis: http://library.futureuniversity.com/repository/how-to-get-free-robux-without-verifying_GM431946152.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: http://netcdn.tw/app/431946152/claim-free-robux-game-hack, http://library.futureuniversity.com/repository/how-to-get-free-robux-without-verifying_GM431946152.pdf, http://library.futureuniversity.com/repository/coin-master-hack-tuts_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/claim-free-robux-game-hack
• http://library.futureuniversity.com/repository/how-to-get-free-robux-without-verifying_GM431946152.pdf
• http://library.futureuniversity.com/repository/coin-master-hack-tuts_GM406889139.pdf
• http://library.futureuniversity.com/repository/how-to-hack-any-roblox-account_GM431946152.pdf
• http://library.futureuniversity.com/repository/roblox-lumber-tycoon-2-cheat-codes_GM431946152.pdf
• http://library.futureuniversity.com/repository/free-roblox-accounts-and-passwords-in-roblox-shown-on-wikia_GM431946152.pdf
• http://library.futureuniversity.com/repository/how-many-levels-does-coin-master-have_GM406889139.pdf
• http://library.futureuniversity.com/repository/how-to-get-free-robux-gift-cards_GM431946152.pdf
• http://library.futureuniversity.com/repository/how-to-change-your-roblox-username-for-free_GM431946152.pdf
• http://library.futureuniversity.com/repository/hacking-tool-roblox_GM431946152.pdf
• http://library.futureuniversity.com/repository/robux-free-co_GM431946152.pdf
• http://library.futureuniversity.com/repository/coin-master-free-spins-promo-code_GM406889139.pdf
• http://library.futureuniversity.com/repository/coin-master-hack-without-verification_GM406889139.pdf
• http://library.futureuniversity.com/repository/robux-page_GM431946152.pdf
• http://library.futureuniversity.com/repository/minecraft-apk-free-download-016-0_GM479516143.pdf
• http://library.futureuniversity.com/repository/lumber-tycoon-2-glitch-to-get-free-robux_GM431946152.pdf
• http://library.futureuniversity.com/repository/freer-robux-codes_GM431946152.pdf
• http://library.futureuniversity.com/repository/roblox-play-now-for-free_GM431946152.pdf
• http://library.futureuniversity.com/repository/coin-master-heaven-free-spins-today_GM406889139.pdf
• http://library.futureuniversity.com/repository/free-vip-roblox_GM431946152.pdf
• http://library.futureuniversity.com/repository/how-do-you-earn-free-robux_GM431946152.pdf

Embedded domains

• netcdn.tw
• library.futureuniversity.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report