Malicious PDF — malware analysis report

Static analysis result for SHA-256 9777e01e24bc53d7…

MALICIOUS

PDF

42.4 KB Created: 2021-05-11 13:02:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: dc9369f711514f2d0151ee4a923c5756 SHA-1: 84247173a46a70dc2c20763c7ad0732bb0a78566 SHA-256: 9777e01e24bc53d7d3dee281f6e5d9f751628ef0a39c36700f7ae1dfea70a451
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains an embedded URI and multiple other URLs that are likely intended to lead the user to download malicious content, disguised as free in-game items. The ML classifier strongly flagged this PDF as malicious, and the presence of download lures further supports a malicious intent. No scripts were extracted, but the overall structure and embedded links indicate a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 4

  • QR-code redirect lure medium SE_QR_LURE
    Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
  • 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/how-to-get-free-minecraft-skins-game-hack
    • http://www.agasrestaurant.com/uploaded_files/userfiles/files/more-robux_GM431946152.pdf
    • http://www.agasrestaurant.com/uploaded_files/userfiles/files/apps-to-hack-coin-master_GM406889139.pdf
    • http://www.agasrestaurant.com/uploaded_files/userfiles/files/coin-master-heaven-free-spins-today_GM406889139.pdf
    • http://www.agasrestaurant.com/uploaded_files/userfiles/files/how-to-get-free-robux-promo-codes_GM431946152.pdf
    • http://www.agasrestaurant.com/uploaded_files/userfiles/files/roblox-booga-booga-hack_GM431946152.pdf
    • http://www.agasrestaurant.com/uploaded_files/userfiles/files/free-robux-today_GM431946152.pdf
    • http://www.agasrestaurant.com/uploaded_files/userfiles/files/spins-for-coin-master_GM406889139.pdf
    • http://www.agasrestaurant.com/uploaded_files/userfiles/files/games-for-robux_GM431946152.pdf
    • http://www.agasrestaurant.com/uploaded_files/userfiles/files/hack-the-coin-master-game_GM406889139.pdf
    • http://www.agasrestaurant.com/uploaded_files/userfiles/files/how-to-get-free-robux-fast-and-easy_GM431946152.pdf
    • http://www.agasrestaurant.com/uploaded_files/userfiles/files/coin-master-free-daily-spins_GM406889139.pdf
    • http://www.agasrestaurant.com/uploaded_files/userfiles/files/robuxlove-net-free-robux_GM431946152.pdf
    • http://www.agasrestaurant.com/uploaded_files/userfiles/files/how-do-i-get-free-robux_GM431946152.pdf
    • http://www.agasrestaurant.com/uploaded_files/userfiles/files/free-robux-hack_GM431946152.pdf
    • http://www.agasrestaurant.com/uploaded_files/userfiles/files/how-to-hack-roblox-accounts-for-robux_GM431946152.pdf
    • http://www.agasrestaurant.com/uploaded_files/userfiles/files/can-i-get-free-robux_GM431946152.pdf
    • http://www.agasrestaurant.com/uploaded_files/userfiles/files/games-in-roblox-that-give-you-robux_GM431946152.pdf
    • http://www.agasrestaurant.com/uploaded_files/userfiles/files/roblox-free-robux_GM431946152.pdf
    • http://www.agasrestaurant.com/uploaded_files/userfiles/files/how-do-i-get-free-robux-on-roblox_GM431946152.pdf
    • http://www.agasrestaurant.com/uploaded_files/userfiles/files/coin-master-key-free-spin_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004d9f.bin
7f3668e6e190ae054ba0ce6a59f392d89303b9ad4f12374192337d46589297d6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4D9F 24480 bytes
font_01_sfnt_off00008441.bin
2e9033515f3ff21116dec08c3b5b633a0403805954c28c410ec38fa0176f1df4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8441 18044 bytes

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