Malicious PDF — malware analysis report

Static analysis result for SHA-256 d894b74951d348e9…

MALICIOUS

PDF

42.9 KB Created: 2021-05-19 09:30:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: d25e0f8684d3d8be4bf33038edc7a71f SHA-1: c6556ead060d2e9f371b043226e8c8a1efd80653 SHA-256: d894b74951d348e9c8f5ec4d304a98444c9abd5e1ebceec5996b2202cd7ad997
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File T1059.001 Command and Scripting Interpreter: PowerShell

The PDF contains embedded URLs and a lure to trick users into executing commands, likely to download a second-stage payload. The document body, though obfuscated, contains references to game hacks and free items, suggesting a phishing or scam attempt. The presence of a download button lure and clipboard command execution lure strongly indicates a malicious intent to exploit user interaction for payload delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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/479516143/minecraft-life-hacks-game-hack
    • https://elearning.manesa.sch.id/__statics/gudangsoal/files/coin-master-free-online_GM406889139.pdf
    • https://elearning.manesa.sch.id/__statics/gudangsoal/files/roblox-scam_GM431946152.pdf
    • https://elearning.manesa.sch.id/__statics/gudangsoal/files/coin-master-hack-no-download_GM406889139.pdf
    • https://elearning.manesa.sch.id/__statics/gudangsoal/files/free-100-robux_GM431946152.pdf
    • https://elearning.manesa.sch.id/__statics/gudangsoal/files/coin-master-daily-free-spins_GM406889139.pdf
    • https://elearning.manesa.sch.id/__statics/gudangsoal/files/how-to-get-minecraft-for-free-on-computer_GM479516143.pdf
    • https://elearning.manesa.sch.id/__statics/gudangsoal/files/get-me-robux_GM431946152.pdf
    • https://elearning.manesa.sch.id/__statics/gudangsoal/files/200-free-spins-coin-master_GM406889139.pdf
    • https://elearning.manesa.sch.id/__statics/gudangsoal/files/free-spins-coin-master-2021-hack_GM406889139.pdf
    • https://elearning.manesa.sch.id/__statics/gudangsoal/files/how-to-legally-get-free-spins-in-coin-master_GM406889139.pdf
    • https://elearning.manesa.sch.id/__statics/gudangsoal/files/free-minecraft-skins-java_GM479516143.pdf
    • https://elearning.manesa.sch.id/__statics/gudangsoal/files/coin-master-free-spin-link-today-2021_GM406889139.pdf
    • https://elearning.manesa.sch.id/__statics/gudangsoal/files/coin-master-free-spin-facebook-link_GM406889139.pdf
    • https://elearning.manesa.sch.id/__statics/gudangsoal/files/coin-master-free-spins-only_GM406889139.pdf
    • https://elearning.manesa.sch.id/__statics/gudangsoal/files/free-robux-2021_GM431946152.pdf
    • https://elearning.manesa.sch.id/__statics/gudangsoal/files/free-coins-and-spins-for-coin-master_GM406889139.pdf
    • https://elearning.manesa.sch.id/__statics/gudangsoal/files/coin-master-hack-spins-ios_GM406889139.pdf
    • https://elearning.manesa.sch.id/__statics/gudangsoal/files/get-more-free-spins-on-coin-master_GM406889139.pdf
    • https://elearning.manesa.sch.id/__statics/gudangsoal/files/coin-master-free-coins-and-spins-link_GM406889139.pdf
    • https://elearning.manesa.sch.id/__statics/gudangsoal/files/best-site-for-free-coin-master-free-spins_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004d19.bin
0233bfd3158274477f9cf5c7ddece8a4f5d14811a0a08c98c5edd9db1e022892		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4D19 25764 bytes
font_01_sfnt_off0000874d.bin
a9f228f82f523f82f2ec29969fa693daed0cd9273bc8dad9e6ca4184f04ba0fe		 pdf-font-stream PDF embedded font (sfnt) at offset 0x874D 17740 bytes

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