PDF malware analysis — malicious · b767f91597067de5

MALICIOUS

PDF

34.2 KB Created: 2021-06-27 22:38:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 5405a374bf1dff8592aa38d438bea38a SHA-1: 65eb1591846892b58764c4153bbe6eaf22a0d386 SHA-256: b767f91597067de5efb190abd0498c3cd38174a3efac884d4cf5eba063d5f04f

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a launch action that directs the user to a URL promising game hacks and free currency, indicating a phishing or scam attempt. The ML classifier strongly flagged this PDF as malicious, and the presence of numerous related URLs reinforces the malicious intent. No scripts were extracted, but the PDF's structure and embedded URLs suggest it's designed to trick users into downloading a second-stage payload.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

Heuristics 4

Launch action high PDF_LAUNCH

PDF contains a /Launch action with an unresolved or extension-less target — treat as potentially dangerous
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
External URI info PDF_URI

PDF contains an external URL action
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL http://netcdn.co/app/431946152/oprewards-robux-hack-game-hack
- https://www.jcn.co.uk/uploads/files/files/coin-master-free-spins-and-coins_GM406889139.pdf
- https://www.jcn.co.uk/uploads/files/files/free-minecraft-account-list_GM479516143.pdf
- https://www.jcn.co.uk/uploads/files/files/minecraft-windows-10-hack-client-2021_GM479516143.pdf
- https://www.jcn.co.uk/uploads/files/files/free-minecraft-skin-maker_GM479516143.pdf
- https://www.jcn.co.uk/uploads/files/files/free-robux-with-no-survey_GM431946152.pdf
- https://www.jcn.co.uk/uploads/files/files/guide--coin-master-free-tips_GM406889139.pdf
- https://www.jcn.co.uk/uploads/files/files/roblox-apps-info-hack-generator_GM431946152.pdf
- https://www.jcn.co.uk/uploads/files/files/best-hacking-software-for-roblox_GM431946152.pdf
- https://www.jcn.co.uk/uploads/files/files/get-verified-tiktok-free_GM835599320.pdf
- https://www.jcn.co.uk/uploads/files/files/coin-master-free-spins-app-for-iphone_GM406889139.pdf
- https://www.jcn.co.uk/uploads/files/files/launch-hack-roblox_GM431946152.pdf
- https://www.jcn.co.uk/uploads/files/files/filled-surveys-for-free-robux_GM431946152.pdf
- https://www.jcn.co.uk/uploads/files/files/free-robux-with-no-verification-2021_GM431946152.pdf
- https://www.jcn.co.uk/uploads/files/files/cheat-jailbreak-rush-hacked-roblox_GM431946152.pdf
- https://www.jcn.co.uk/uploads/files/files/coin-master-free-spins-link-2021_GM406889139.pdf
- https://www.jcn.co.uk/uploads/files/files/how-to-make-a-free-vip-server-on-roblox-jailbreak_GM431946152.pdf
- https://www.jcn.co.uk/uploads/files/files/free-coins-coin-master-hack_GM406889139.pdf
- https://www.jcn.co.uk/uploads/files/files/free-robux-no-download_GM431946152.pdf
- https://www.jcn.co.uk/uploads/files/files/roblox-robux-hack_GM431946152.pdf
- https://www.jcn.co.uk/uploads/files/files/free-robux-without-extra_GM431946152.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00002ec6.bin` `3a2f83325eda82c85f4a85b5560e17aa2f13250c0c51ee0e6a45c231f867c2a7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2EC6	22044 bytes
`font_01_sfnt_off00005fb0.bin` `4800969e213549dcd891c804cadd4ac738706d10af793f4106d94a872e165eba`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5FB0	19236 bytes

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