Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d0fa4786e20e136…

MALICIOUS

PDF

38.8 KB Created: 2021-05-25 11:00:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 4f182f22a55d5af3e3494b0b0183a44a SHA-1: 77b0306c02cd00dea9b57949dcfdd4044aeebd36 SHA-256: 5d0fa4786e20e1367547b1d1e8792bef14132693b2c250f48287b8f19a5bed9c
82 Risk Score

Malware Insights

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

The PDF document contains heuristics indicating social engineering tactics, specifically a 'ClickFix' attack that prompts the user to interact with a link. The embedded URLs and document body suggest a lure for downloading game-related hacks or cheats. The primary malicious URL identified is https://netcdn.xyz/app/479516143/minecraft-for-chromebook-free-game-hack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8060

Heuristics 4

  • ClickFix social engineering attack high SE_CLICKFIX
    Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
  • 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-for-chromebook-free-game-hack
    • https://daftarmncvision.id/ckfinder/userfiles/files/coin-master-sound-daily-free-spins-link-today_GM406889139.pdf
    • https://daftarmncvision.id/ckfinder/userfiles/files/hack-to-protect-village-on-coin-master_GM406889139.pdf
    • https://daftarmncvision.id/ckfinder/userfiles/files/roblox-hackers-list_GM431946152.pdf
    • https://daftarmncvision.id/ckfinder/userfiles/files/how-to-get-free-robux_GM431946152.pdf
    • https://daftarmncvision.id/ckfinder/userfiles/files/coin-master-free-link-2021_GM406889139.pdf
    • https://education.minecraft
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000033d6.bin
d1eb7b6f069b8de36ffa54c8b3369f71ceb6d5a4fb801c35044f4218ccbf591c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x33D6 24664 bytes
font_01_sfnt_off00006b92.bin
801f6fa60decd1add2f223f91580103c35e150c924465f86a7a572b3e00674f9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B92 3128 bytes
font_02_sfnt_off000075d2.bin
2a1fd25b60091da4e89f293bc06fa32417487358dc39e20cf321c71e22d0bfdc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x75D2 18464 bytes

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