Malicious PDF — malware analysis report

Static analysis result for SHA-256 2c1c840d55798e97…

MALICIOUS

PDF

44.0 KB Created: 2021-05-17 17:32:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 53768ed39aec54e211cfd69760b73600 SHA-1: d745a5d7dd87f17b532d538debb558aa4e8507ba SHA-256: 2c1c840d55798e97383d8f2f1ec5a136f667a328d4f66a7dc747ffec4f2221c4
82 Risk Score

Malware Insights

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

The document presents itself as a guide to hacking game accounts, likely as a lure. It contains a fake CAPTCHA or human verification prompt, designed to trick users into interacting with a malicious link. The embedded URL and numerous other URLs point to sites offering game hacks or cheats, which are commonly used to distribute malware. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

Heuristics 4

  • Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
    Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
  • 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/431946152/how-to-hack-roblox-passwords-game-hack
    • https://www.laksanatravel.com/ckfinder/userfiles/files/coin-master-32-mod-hack-apk-download_GM406889139.pdf
    • https://www.laksanatravel.com/ckfinder/userfiles/files/free-robux-glitch-2021_GM431946152.pdf
    • https://www.laksanatravel.com/ckfinder/userfiles/files/how-to-hack-coins-in-archery-master-3d_GM406889139.pdf
    • https://www.laksanatravel.com/ckfinder/userfiles/files/fbchampion-com_GM406889139.pdf
    • https://www.laksanatravel.com/ckfinder/userfiles/files/how-to-get-free-robux-without-offers_GM431946152.pdf
    • https://www.laksanatravel.com/ckfinder/userfiles/files/free-coins-for-coin-master_GM406889139.pdf
    • https://www.laksanatravel.com/ckfinder/userfiles/files/coin-master-coins_GM406889139.pdf
    • https://www.laksanatravel.com/ckfinder/userfiles/files/get-free-spins-for-coin-master_GM406889139.pdf
    • https://www.laksanatravel.com/ckfinder/userfiles/files/free-robux-hacker-us_GM431946152.pdf
    • https://www.laksanatravel.com/ckfinder/userfiles/files/coin-master-hack-https-coinms-net_GM406889139.pdf
    • https://www.laksanatravel.com/ckfinder/userfiles/files/free-robux-2021_GM431946152.pdf
    • https://www.laksanatravel.com/ckfinder/userfiles/files/blox-pink-robux-free_GM431946152.pdf
    • https://www.laksanatravel.com/ckfinder/userfiles/files/get-free-robux-no-verification_GM431946152.pdf
    • https://www.laksanatravel.com/ckfinder/userfiles/files/free-robux-ad_GM431946152.pdf
    • https://www.laksanatravel.com/ckfinder/userfiles/files/coin-master-free-spin-codes_GM406889139.pdf
    • https://www.laksanatravel.com/ckfinder/userfiles/files/roblox-how-to-get-free-clothes_GM431946152.pdf
    • https://www.laksanatravel.com/ckfinder/userfiles/files/how-do-u-get-free-robux-2021_GM431946152.pdf
    • https://www.laksanatravel.com/ckfinder/userfiles/files/free-robux-games-that-actually-work-2021_GM431946152.pdf
    • https://www.laksanatravel.com/ckfinder/userfiles/files/free-coin-master-hacks_GM406889139.pdf
    • https://www.laksanatravel.com/ckfinder/userfiles/files/daily-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_off00004e54.bin
94571c7481518231066968f7389b5d50db5c03edfbc75505a89eb6caf70a68a2		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4E54 25352 bytes
font_01_sfnt_off00008863.bin
bdba0893d178c93f7db8dfb8e75fc125deebdc91658f3b2576607bd83519404f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8863 18672 bytes

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