SUSPICIOUS — free-robux-only-1-step_GM431946152.pdf

SUSPICIOUS — free-robux-only-1-step_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (58/100). 4 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: c872bbc45f69e18e04b3ccc24211396b66f47ad83d8950cd4278fa643e28473f
• SHA-1: 8c4516950092047c9930ff1894901ac1bfb28c09
• MD5: 821218e0d4061d96f4a95061ee610019
• ssdeep: 768:nY+53qhEHLI7Ho4UfiQ8Ob5qwE3SJuv2SvmcCJ7xPPgX:W7H9Lq5qwpm2XcYFP4X
• TLSH: T11A339EF35057DD0C7A866B03AEB7610E798AD79C2126965051D87A3CC4782EEBE00B72
• Submitted as: free-robux-only-1-step_GM431946152.pdf
• File type: pdf · Size: 49512 bytes
• Verdict: suspicious (58/100)

Detections (4 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!821218E0D406

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/free-spins-for-coin-master-2021_GM406889139.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: https://netcdn.online/app/431946152/free-robux-only-1-step-game-hack, http://library.futureuniversity.com/repository/free-spins-for-coin-master-2021_GM406889139.pdf, http://library.futureuniversity.com/repository/free-spins-and-coins-coin-master-facebook_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.online/app/431946152/free-robux-only-1-step-game-hack
• http://library.futureuniversity.com/repository/free-spins-for-coin-master-2021_GM406889139.pdf
• http://library.futureuniversity.com/repository/free-spins-and-coins-coin-master-facebook_GM406889139.pdf
• http://library.futureuniversity.com/repository/free-800-robux_GM431946152.pdf
• http://library.futureuniversity.com/repository/coin-master-daily-free-spins-link-today-2021_GM406889139.pdf
• http://library.futureuniversity.com/repository/free-spins-from-coin-master_GM406889139.pdf
• http://library.futureuniversity.com/repository/how-to-get-free-spins-on-coin-master-android_GM406889139.pdf
• http://library.futureuniversity.com/repository/coin-master-free-spins-app-for-iphone_GM406889139.pdf
• http://library.futureuniversity.com/repository/original-roblox_GM431946152.pdf
• http://library.futureuniversity.com/repository/80-free-spins-coin-master_GM406889139.pdf
• http://library.futureuniversity.com/repository/haktuts-2021-coin-master-free-spin-link_GM406889139.pdf
• http://library.futureuniversity.com/repository/coin-master-free-spins-through-coin-pop_GM406889139.pdf
• http://library.futureuniversity.com/repository/apps-to-get-free-robux_GM431946152.pdf
• http://library.futureuniversity.com/repository/pokemon-go-fest-free_GM1094591345.pdf
• http://library.futureuniversity.com/repository/how-to-get-minecraft-for-free-on-xbox-360_GM479516143.pdf
• http://library.futureuniversity.com/repository/how-to-get-a-lot-of-robux_GM431946152.pdf
• http://library.futureuniversity.com/repository/free-coin-master-spins-blog_GM406889139.pdf
• http://library.futureuniversity.com/repository/free-robux-please_GM431946152.pdf
• http://library.futureuniversity.com/repository/real-free-robux-generator_GM431946152.pdf
• http://library.futureuniversity.com/repository/card-hack-in-coin-master_GM406889139.pdf
• http://library.futureuniversity.com/repository/free-roblox-accounts-with-robux-that-work-not-banned_GM431946152.pdf

Embedded domains

• netcdn.online
• library.futureuniversity.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report