Malicious PDF — malware analysis report

Static analysis result for SHA-256 9de2ab7520e7e01b…

MALICIOUS

PDF

37.1 KB Created: 2021-05-23 06:50:22 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: f90c1b13c4b63e0010bde8369994aa9c SHA-1: a83c05f58d7b5f8d4b5e1186077713ef14611d70 SHA-256: 9de2ab7520e7e01b5e11966cbabee321ba08ad603304ced32455f91b946828b6
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains social engineering lures related to free TikTok likes and game hacks, aiming to trick the user into downloading further content. It also includes a heuristic indicating a browser extension or update installation lure, a common method for malware delivery. The presence of embedded URLs suggests the document is designed to redirect the user to malicious sites for payload download.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7095

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/835599320/get-free-tiktok-likes-game-hack
    • https://www.bathshoponline.co.uk/uploads/files/files/coin-master-free-spins-link-today-new_GM406889139.pdf
    • https://www.bathshoponline.co.uk/uploads/files/files/free-spins-for-coin-master-app_GM406889139.pdf
    • https://www.bathshoponline.co.uk/uploads/files/files/free-roblox-scripts_GM431946152.pdf
    • https://www.bathshoponline.co.uk/uploads/files/files/coin-master-hack-ios-2021_GM406889139.pdf
    • https://www.bathshoponline.co.uk/uploads/files/files/free-shirt-templates-roblox_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off000032d9.bin
e446867d84c72afca7f40036cde684653e2b58ecfb90f6be1affc5aef144ebab		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x32D9 23340 bytes
font_01_sfnt_off000067d8.bin
c1a618813a64314343402b2ec738fc11c4c912460a4c7ae3029924d2f9a229cd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x67D8 2896 bytes
font_02_sfnt_off000071be.bin
c397690cc80b7cdd5818f6212e28c5067632df1cbe38d70f20361ec61b14abd9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x71BE 17456 bytes

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