Malicious PDF — malware analysis report

Static analysis result for SHA-256 5e29216624a6220e…

MALICIOUS

PDF

44.9 KB Created: 2021-06-08 18:44:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 8a167b62bc5ff275d9d7d01374696af8 SHA-1: ae2aa8c3934c7054f17bf55a390074f39c93bde7 SHA-256: 5e29216624a6220e05c5d78df5473eb9caf01fa89b811e8b3bc9d414c55ebc44
82 Risk Score

Malware Insights

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

The PDF document uses social engineering tactics, presenting itself as a 'Free Roblox Places Download' and instructing the user to install a browser extension or update. This is a common lure for credential theft or malware installation. The embedded URLs point to various game-related hacks and cheats, further reinforcing the deceptive nature of the document.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

Heuristics 4

  • Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
    Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
  • 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.tw/app/431946152/free-roblox-places-download-game-hack
    • http://vedrachemicals.ro/images/coin-master-hack-apk-download-for-android-mobile_GM406889139.pdf
    • http://vedrachemicals.ro/images/minecraft-games-free-download_GM479516143.pdf
    • http://vedrachemicals.ro/images/free-coin-master-cheats_GM406889139.pdf
    • http://vedrachemicals.ro/images/how-to-get-free-stuff-in-roblox-2021-september_GM431946152.pdf
    • http://vedrachemicals.ro/images/free-tiktok-accounts-and-passwords_GM835599320.pdf
    • http://vedrachemicals.ro/images/roblox-password-hacker_GM431946152.pdf
    • http://vedrachemicals.ro/images/free-roblox-hack_GM431946152.pdf
    • http://vedrachemicals.ro/images/40-free-spins-coin-master_GM406889139.pdf
    • http://vedrachemicals.ro/images/codes-how-to-get-free-robux_GM431946152.pdf
    • http://vedrachemicals.ro/images/free-links-for-coin-master_GM406889139.pdf
    • http://vedrachemicals.ro/images/how-to-get-free-spins-for-coin-master_GM406889139.pdf
    • http://vedrachemicals.ro/images/rblx-gg-free-robux_GM431946152.pdf
    • http://vedrachemicals.ro/images/minecraft-hack-mod_GM479516143.pdf
    • http://vedrachemicals.ro/images/free-roblox-generator_GM431946152.pdf
    • http://vedrachemicals.ro/images/coin-master-free-spins-link-2021-today_GM406889139.pdf
    • http://vedrachemicals.ro/images/get-free-robux_GM431946152.pdf
    • http://vedrachemicals.ro/images/get-roebucks-com_GM431946152.pdf
    • http://vedrachemicals.ro/images/roblox-free-robux-com_GM431946152.pdf
    • http://vedrachemicals.ro/images/free-spins-for-coin-master-hack_GM406889139.pdf
    • http://vedrachemicals.ro/images/can-you-make-a-minecraft-server-for-free_GM479516143.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off0000511c.bin
c54a8243c22b69c67c41d526eae16b73ca958c5b43c6cf82fb0aaf3e6dd8d2db		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x511C 25060 bytes
font_01_sfnt_off00008b0a.bin
0d05596c723a80ba8c8c20be1315fad49299a9175322038faa893f71aafd1104		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8B0A 18836 bytes

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