SUSPICIOUS — robux-2021-free_GM431946152.pdf

SUSPICIOUS — robux-2021-free_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: a990ca666ac4aabcef5eb2e92f096195b2d7ccc2dff5ffe4645d9c9e742b9128
• SHA-1: bc46129cd012151216ec804a8ddd2610e70069b7
• MD5: c0769b1ca17985088508750e1153f6ae
• ssdeep: 768:jf3263ReHsMPGLVd6KHOq8A/PP5vNQk8UUKS0wy2:qtP+P60Oq88BVSUC0wy2
• TLSH: T17E2F6CF7019BCC5C7A4E8B079AA7256974CAE38C71729A5091D43B6C90BC1EEAF10960
• Submitted as: robux-2021-free_GM431946152.pdf
• File type: pdf · Size: 35024 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!C0769B1CA179

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://lib.stie-aub.ac.id/repository/free-models-on-roblox-are-giving-viruses_GM431946152.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: http://netcdn.co/app/431946152/robux-2021-free-game-hack, http://lib.stie-aub.ac.id/repository/free-models-on-roblox-are-giving-viruses_GM431946152.pdf, http://lib.stie-aub.ac.id/repository/coin-master-free-spins-link-2021-iphone_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/robux-2021-free-game-hack
• http://lib.stie-aub.ac.id/repository/free-models-on-roblox-are-giving-viruses_GM431946152.pdf
• http://lib.stie-aub.ac.id/repository/coin-master-free-spins-link-2021-iphone_GM406889139.pdf
• http://lib.stie-aub.ac.id/repository/coin-master-hack-apk-2021_GM406889139.pdf
• http://lib.stie-aub.ac.id/repository/free-robux-scams_GM431946152.pdf
• http://lib.stie-aub.ac.id/repository/how-to-get-free-robux-2021-no-scam_GM431946152.pdf
• http://lib.stie-aub.ac.id/repository/free-coin-master-s_GM406889139.pdf
• http://lib.stie-aub.ac.id/repository/roblox-fun-com-free-robux_GM431946152.pdf
• http://lib.stie-aub.ac.id/repository/free-spin-link-for-coin-master-game_GM406889139.pdf
• http://lib.stie-aub.ac.id/repository/free-decals-roblox_GM431946152.pdf
• http://lib.stie-aub.ac.id/repository/free-coin-master-spins-link_GM406889139.pdf
• http://lib.stie-aub.ac.id/repository/cheat-tools-for-roblox_GM431946152.pdf
• http://lib.stie-aub.ac.id/repository/coin-master-free-spins-heaven_GM406889139.pdf
• http://lib.stie-aub.ac.id/repository/tiktok-free-followers-and-likes_GM835599320.pdf
• http://lib.stie-aub.ac.id/repository/how-to-get-free-robux-without-verification_GM431946152.pdf
• http://lib.stie-aub.ac.id/repository/roblox-promo-codes-generator-no-human-verification_GM431946152.pdf
• http://lib.stie-aub.ac.id/repository/medival-gives-free-robux_GM431946152.pdf
• http://lib.stie-aub.ac.id/repository/how-to-send-free-spins-on-coin-master_GM406889139.pdf
• http://lib.stie-aub.ac.id/repository/minecraft-the-complete-handbook-collection_GM479516143.pdf
• http://lib.stie-aub.ac.id/repository/coin-master-hack-without-verification-code_GM406889139.pdf
• http://lib.stie-aub.ac.id/repository/claimrbx-free-robux_GM431946152.pdf

Embedded domains

• netcdn.co
• lib.stie-aub.ac.id

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report