PDF malware analysis — malicious · 974bc5041ea65063

MALICIOUS

PDF

43.0 KB Created: 2021-05-12 20:03:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: ef80f9756ea112b826705b8cd7b5a586 SHA-1: 78708bb4b369e98f6a85bd9eb89d511982fd3370 SHA-256: 974bc5041ea65063680173d938d4393d6dc52553fd775a6e2d7010e269cec246

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF document contains multiple embedded URLs and a heuristic firing for a browser installation lure, indicating a social-engineering attempt to trick the user into downloading malicious content. The document body and extracted URLs suggest the lure is related to game hacks and cheats, likely leading to the download of malware or unwanted applications. No scripts were extracted from this sample.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

Heuristics 4

Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE

Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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 https://netcdn.xyz/app/406889139/coin-master-hack-apk-facebook-login-game-hack
- http://pustaka1.unindra.id/repository/coin-master-free-daily-spins_GM406889139.pdf
- http://pustaka1.unindra.id/repository/roblox40com-robux_GM431946152.pdf
- http://pustaka1.unindra.id/repository/coin-master-admin-free-spins_GM406889139.pdf
- http://pustaka1.unindra.id/repository/robux-app_GM431946152.pdf
- http://pustaka1.unindra.id/repository/hack-master-coin-pc_GM406889139.pdf
- http://pustaka1.unindra.id/repository/coin-master-free-coins-and-spins-today_GM406889139.pdf
- http://pustaka1.unindra.id/repository/bloxland-earn-free-robux_GM431946152.pdf
- http://pustaka1.unindra.id/repository/daily-free-spins-coin-master-2021_GM406889139.pdf
- http://pustaka1.unindra.id/repository/coin-master-free-spin-and-coins-links_GM406889139.pdf
- http://pustaka1.unindra.id/repository/free-robux-exe_GM431946152.pdf
- http://pustaka1.unindra.id/repository/roblox-free-robux-no-human-verification_GM431946152.pdf
- http://pustaka1.unindra.id/repository/coin-master-free-spin-link-today-16-11-2021_GM406889139.pdf
- http://pustaka1.unindra.id/repository/how-to-get-free-robux-fast-and-easy_GM431946152.pdf
- http://pustaka1.unindra.id/repository/free-roblox-intros_GM431946152.pdf
- http://pustaka1.unindra.id/repository/coin-master-free-pet-snacks_GM406889139.pdf
- http://pustaka1.unindra.id/repository/free-minecraft-severs_GM479516143.pdf
- http://pustaka1.unindra.id/repository/how-you-get-free-robux_GM431946152.pdf
- http://pustaka1.unindra.id/repository/free-spins-coin-master-2021-no-verification_GM406889139.pdf
- http://pustaka1.unindra.id/repository/how-to-get-free-robux-hack-2021_GM431946152.pdf
- http://pustaka1.unindra.id/repository/village-coin_GM406889139.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off000048d2.bin` `937851366df75c3863836cfd295836a7c55a3d3eb7cc5f2a6b89189b62f2eff2`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x48D2	26064 bytes
`font_01_sfnt_off00008539.bin` `09f845dbab102c2a44680f08ef0cb39b809a24ce37ab1af9b7c1c0a4ff52117a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8539	18504 bytes

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