PDF malware analysis — malicious · 97a89f59480e125a

MALICIOUS

PDF

46.8 KB Created: 2021-05-11 21:39:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 848a763b1c6d968ff9e94df53dedc3a6 SHA-1: 6a8c43e95e0b533b0446cdce337bb3a028576263 SHA-256: 97a89f59480e125ae3c1e8ddaa0cbf4f55b6a4f8a5d851805bee61d33d2faa16

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious File

The document presents itself as a game hack, likely a lure to trick users into downloading a malicious payload. It contains a high-confidence ML classification and instructs the user to interact with a command-line interface, indicating an attempt to execute further malicious code. The embedded URL points to a potential download location for the secondary payload.

Machine Learning

Nyx PDF Classifier malicious score 0.8948

Heuristics 4

Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE

Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
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/431946152/roblox-hack-download-game-hack
- http://vedrachemicals.ro/images/coin-master-card-collection-hack_GM406889139.pdf
- http://vedrachemicals.ro/images/coin-master-hack-without-verification-code_GM406889139.pdf
- http://vedrachemicals.ro/images/free-spins-coin-master-2021-today_GM406889139.pdf
- http://vedrachemicals.ro/images/how-to-change-your-username-on-roblox-for-free_GM431946152.pdf
- http://vedrachemicals.ro/images/coin-master-gift-link-hack_GM406889139.pdf
- http://vedrachemicals.ro/images/best-minecraft-hacks_GM479516143.pdf
- http://vedrachemicals.ro/images/roblox-free-robux-generator_GM431946152.pdf
- http://vedrachemicals.ro/images/is-there-a-way-to-get-free-robux_GM431946152.pdf
- http://vedrachemicals.ro/images/apps-for-free-robux_GM431946152.pdf
- http://vedrachemicals.ro/images/spin-hack-for-coin-master_GM406889139.pdf
- http://vedrachemicals.ro/images/mobihack-net-roblox-hack_GM431946152.pdf
- http://vedrachemicals.ro/images/how-to-get-free-spins-and-coins-in-coin-master_GM406889139.pdf
- http://vedrachemicals.ro/images/free-limiteds-roblox_GM431946152.pdf
- http://vedrachemicals.ro/images/como-hackear-coin-master-2021_GM406889139.pdf
- http://vedrachemicals.ro/images/try-minecraft-free_GM479516143.pdf
- http://vedrachemicals.ro/images/coin-master-firebird-card-free_GM406889139.pdf
- http://vedrachemicals.ro/images/robux-download_GM431946152.pdf
- http://vedrachemicals.ro/images/roblox-skins-boy-free_GM431946152.pdf
- http://vedrachemicals.ro/images/free-roblox-accounts-with-robux-that-work-not-banned_GM431946152.pdf
- http://vedrachemicals.ro/images/coin-master-hack-spin-link_GM406889139.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004679.bin` `d05bca4f4eefea88118f621ec23003c2f8c81af9b4720147be33ac44d1c1ac42`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4679	26736 bytes
`font_01_sfnt_off000082f2.bin` `ae114634718854704d615808d33fb1b747d90eb28e420080bd5adbdfe7fb6a27`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x82F2	6700 bytes
`font_02_sfnt_off00009330.bin` `777ecd9bf4cba19c66ac3b03e370a33bd01ed4cf882c145341853d771ac6f80e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9330	18688 bytes

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