Malicious PDF — malware analysis report

Static analysis result for SHA-256 eebe12e17c0e6f0e…

MALICIOUS

PDF

36.2 KB Created: 2021-07-09 08:11:13 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 6d613d9153fb62e7d9cc898b232fa444 SHA-1: 6bdff52d5b4c4dc0c266cb4ee520c22aa24877ec SHA-256: eebe12e17c0e6f0ef4142dea7f0bfda35b7128dde669c91e310a7757635ba503
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The document contains multiple external URLs disguised as links to game cheats and freebies, which is a common lure for phishing or malware distribution. The ML classifier strongly flagged this PDF as malicious, and the presence of external URIs and a 'run command' heuristic further supports a malicious intent. No scripts were extracted, but the document's content and heuristics indicate it's designed to trick users into visiting malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
    Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
  • 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.tw/app/406889139/coin-master-game-2021-free-spin-link-game-hack
    • http://mtsnslemankota-elearning.net/__statics/gudangsoal/files/cmd-hacks-for-roblox_GM431946152.pdf
    • http://mtsnslemankota-elearning.net/__statics/gudangsoal/files/claimrbx-free-robux_GM431946152.pdf
    • http://mtsnslemankota-elearning.net/__statics/gudangsoal/files/coin-master-no-download-app-but-play-for-free_GM406889139.pdf
    • http://mtsnslemankota-elearning.net/__statics/gudangsoal/files/free-robux-generator-no-human-verification-or-survey-2021_GM431946152.pdf
    • http://mtsnslemankota-elearning.net/__statics/gudangsoal/files/how-to-hack-people-on-roblox_GM431946152.pdf
    • http://mtsnslemankota-elearning.net/__statics/gudangsoal/files/haktuts-coin-master-free-spins-2021_GM406889139.pdf
    • http://mtsnslemankota-elearning.net/__statics/gudangsoal/files/earn-free-spins-in-coin-master_GM406889139.pdf
    • http://mtsnslemankota-elearning.net/__statics/gudangsoal/files/free-spins-coin-master-legit_GM406889139.pdf
    • http://mtsnslemankota-elearning.net/__statics/gudangsoal/files/coin-master-rewards-free-spins_GM406889139.pdf
    • http://mtsnslemankota-elearning.net/__statics/gudangsoal/files/free-roblox-exploits_GM431946152.pdf
    • http://mtsnslemankota-elearning.net/__statics/gudangsoal/files/coin-master-hack-ios-without-verification_GM406889139.pdf
    • http://mtsnslemankota-elearning.net/__statics/gudangsoal/files/free-coins-and-spins-in-coin-master_GM406889139.pdf
    • http://mtsnslemankota-elearning.net/__statics/gudangsoal/files/free-tiktok-comments_GM835599320.pdf
    • http://mtsnslemankota-elearning.net/__statics/gudangsoal/files/www-free-robux_GM431946152.pdf
    • http://mtsnslemankota-elearning.net/__statics/gudangsoal/files/free-robux-on-ipad_GM431946152.pdf
    • http://mtsnslemankota-elearning.net/__statics/gudangsoal/files/coin-master-online-hack-generator_GM406889139.pdf
    • http://mtsnslemankota-elearning.net/__statics/gudangsoal/files/free-20b-robux_GM431946152.pdf
    • http://mtsnslemankota-elearning.net/__statics/gudangsoal/files/free-robux-mobile_GM431946152.pdf
    • http://mtsnslemankota-elearning.net/__statics/gudangsoal/files/coin-master-lucky-patcher-hack_GM406889139.pdf
    • http://mtsnslemankota-elearning.net/__statics/gudangsoal/files/how-do-you-get-free-roebucks_GM431946152.pdf
    • http://mtsnslemankota-e
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00003496.bin
1125ec30fd8225af773358a1257e1b6ab85048aee41e5025fd589dc03d6a3321		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3496 23224 bytes
font_01_sfnt_off000068d4.bin
0380ea631ae9459a709a33ae7c12e24ce61e57c36bba07f41eb8bd34d02fd060		 pdf-font-stream PDF embedded font (sfnt) at offset 0x68D4 19004 bytes

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