Malicious PDF — malware analysis report

Static analysis result for SHA-256 858ba8feebb61eb4…

MALICIOUS

PDF

41.7 KB Created: 2021-05-13 10:27:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: a00d0fb0b5be9a42c0022e3e739fa10f SHA-1: acfe8e3996d51cfb8a34cd038904f4527efa3ef4 SHA-256: 858ba8feebb61eb4b671698aa02e9c938e14196ad1c6cef77bf026921fb82c49
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF document was flagged by an ML classifier as malicious. It contains multiple embedded URLs, including one pointing to 'free-minecraft-skins-java-game-hack', and a heuristic indicating a remote support tool lure. The document body, though heavily obfuscated, suggests a lure related to game items, likely to trick users into downloading a payload or engaging with a malicious remote support service.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 4

  • Remote-support tool lure high SE_REMOTE_SUPPORT_LURE
    Document instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
  • 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/479516143/free-minecraft-skins-java-game-hack
    • http://brandyourbody.com/images/how-to-get-free-spins-in-coin-master_GM406889139.pdf
    • http://brandyourbody.com/images/free-robux-stream_GM431946152.pdf
    • http://brandyourbody.com/images/coin-master-free-spin-and-coin_GM406889139.pdf
    • http://brandyourbody.com/images/free-spins-and-coins-on-coin-master_GM406889139.pdf
    • http://brandyourbody.com/images/how-to-hack-roblox-accounts-passwords_GM431946152.pdf
    • http://brandyourbody.com/images/get-free-robux-no-verification_GM431946152.pdf
    • http://brandyourbody.com/images/minecraft-116-1-download_GM479516143.pdf
    • http://brandyourbody.com/images/coin-master-hack-ios-app_GM406889139.pdf
    • http://brandyourbody.com/images/get-free-robux-today_GM431946152.pdf
    • http://brandyourbody.com/images/roblox-arsenal-hack_GM431946152.pdf
    • http://brandyourbody.com/images/free-daily-spins-coin-master_GM406889139.pdf
    • http://brandyourbody.com/images/coin-master-hack-link-2021_GM406889139.pdf
    • http://brandyourbody.com/images/coin-master-online-hack-download_GM406889139.pdf
    • http://brandyourbody.com/images/spin-hack-for-coin-master_GM406889139.pdf
    • http://brandyourbody.com/images/roblox-games-free_GM431946152.pdf
    • http://brandyourbody.com/images/roblox-hack-apk_GM431946152.pdf
    • http://brandyourbody.com/images/minecraft-pvp-hacks_GM479516143.pdf
    • http://brandyourbody.com/images/free-spin-link-in-coin-master-game_GM406889139.pdf
    • http://brandyourbody.com/images/free-robux-app-real_GM431946152.pdf
    • http://brandyourbody.com/images/free-robux-site_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off0000482b.bin
e9c5af1c6cb23804f09436844cb9cc8ded7824a469b876849d07819b1ba6a2db		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x482B 25056 bytes
font_01_sfnt_off00008182.bin
f7fd6d8cb8d844bd162766b28dce49d052269d8f6e1c6cc6affd3981a99932e6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8182 18020 bytes

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