SUSPICIOUS — robux-hack-2021_GM431946152.pdf

SUSPICIOUS — robux-hack-2021_GM431946152.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (44/100). 4 of 53 detection engines flagged it.

Identification

• SHA-256: a89bb4e9f628825ae160287ac4969b199ade33494208c75c124bd8f4d1580cbb
• SHA-1: c44461cbe27b4d2bdbb78df56475944cf5bd5582
• MD5: 2f4099414b1b67f74374567e3f6beb38
• ssdeep: 768:vPGeUlJJ8MBILxW65dGKDHulzFh/vLT+R:We+JJzBIFW6SKDOlzFh/jT+R
• TLSH: T15E2D9EF3228BDDD87212D703B6BD201175889BDC75118E9466F67A3C84B42BC5A84772
• Submitted as: robux-hack-2021_GM431946152.pdf
• File type: pdf · Size: 27263 bytes
• Verdict: suspicious (44/100)

Detections (4 of 53 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• Microsoft Defender: flagged
• Emsisoft (Emergency Kit): PDF.Spam.Heur.2
• Trellix Stinger (McAfee): PDF/Phish-TWM!2F4099414B1B

Why this verdict

The suspicious score of 44/100 is the fusion of 3 weighted signals:

• Embedded network infrastructure: http://netcdn.tw/app/431946152/robux-hack-2021-game-hack - 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/robux-hack-2021-game-hack

Embedded domains

• netcdn.tw

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report