Malicious PDF — malware analysis report

Static analysis result for SHA-256 dab781ed6d99b020…

MALICIOUS

PDF

39.0 KB Created: 2021-05-24 05:45:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: e5edc23969327e973a7cc0968692dbab SHA-1: 36cfcdb77d2e90e4f563bedcf7cadac2aefd6c38 SHA-256: dab781ed6d99b020356d61084bfb848c2367e003700f5e534ae59089b525795b
82 Risk Score

Malware Insights

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

The PDF contains multiple embedded URLs pointing to sites offering game hacks, and the document body includes a lure for a 'Minecraft Windows 10 Free Hack'. The heuristic 'SE_CLIPBOARD_COMMAND_LURE' indicates the document likely instructs the user to execute commands, suggesting a payload download or execution attempt. The ML classifier also flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8060

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-windows-10-free-game-hack
    • http://tc-kulmbach.de/images/coin-master-hacking-news_GM406889139.pdf
    • http://tc-kulmbach.de/images/links-for-coin-master-free-spins_GM406889139.pdf
    • http://tc-kulmbach.de/images/free-spin-link-coin-master-today_GM406889139.pdf
    • http://tc-kulmbach.de/images/free-minecraft-hacks_GM479516143.pdf
    • http://tc-kulmbach.de/images/irobux-com-redeem_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000349b.bin
093da5958d3ecc3acd8f0fbc2321a9d9285c1e6a253815b4dac1aa89a9879248		 pdf-font-stream PDF embedded font (sfnt) at offset 0x349B 24984 bytes
font_01_sfnt_off00006c03.bin
02b35010e2614e3cc95ac6414c49295350c91fdfcc4b4cad27ffdbc10e80df7f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C03 2912 bytes
font_02_sfnt_off00007600.bin
61f4e129dbb086a6f9797ef369c55cdd3b58d633037fca8f4f59eaf5785788a4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7600 18524 bytes

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