Malicious PDF — malware analysis report

Static analysis result for SHA-256 5e64e6d0ad391814…

MALICIOUS

PDF

44.1 KB Created: 2021-05-14 15:13:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: eab8b59a0dcb433db5a4bc5b6f6caa58 SHA-1: da62021f7e5f5b2d69bc97b16fc791f1a0001113 SHA-256: 5e64e6d0ad391814e5b02961cc7fad6f15d21884a069179403164240c6ccabec
82 Risk Score

Malware Insights

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

The PDF document contains a fake CAPTCHA lure, designed to trick the user into downloading a file from the embedded URL. The document body and embedded URLs suggest a lure related to game cheats or in-game currency. No scripts were extracted, but the presence of a fake CAPTCHA and external URLs strongly indicates a malicious download attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9976

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/roblox-play-as-guest-free-game-hack
    • http://iluvlocalplaces.com/images/free-robux-sites-2021_GM431946152.pdf
    • http://iluvlocalplaces.com/images/coin-master-spin-link-today-2021_GM406889139.pdf
    • http://iluvlocalplaces.com/images/free-minecraft-realms-to-join_GM479516143.pdf
    • http://iluvlocalplaces.com/images/free-roblox-card_GM431946152.pdf
    • http://iluvlocalplaces.com/images/get-free-robux-now_GM431946152.pdf
    • http://iluvlocalplaces.com/images/coin-master-500-free-spins_GM406889139.pdf
    • http://iluvlocalplaces.com/images/roblox-free-robux_GM431946152.pdf
    • http://iluvlocalplaces.com/images/download-coin-master-apk-hacked_GM406889139.pdf
    • http://iluvlocalplaces.com/images/coin-master-hack-tool_GM406889139.pdf
    • http://iluvlocalplaces.com/images/minecraft-java-edition-key-free_GM479516143.pdf
    • http://iluvlocalplaces.com/images/how-to-get-free-coins-and-spins-on-coin-master_GM406889139.pdf
    • http://iluvlocalplaces.com/images/free-spins-on-coin-master-app_GM406889139.pdf
    • http://iluvlocalplaces.com/images/free-robux-rewards_GM431946152.pdf
    • http://iluvlocalplaces.com/images/coin-master-daily-free-spins-link-facebook_GM406889139.pdf
    • http://iluvlocalplaces.com/images/roblox-hackprogamers-com_GM431946152.pdf
    • http://iluvlocalplaces.com/images/minecraft-hack-app_GM479516143.pdf
    • http://iluvlocalplaces.com/images/how-to-actually-get-free-robux_GM431946152.pdf
    • http://iluvlocalplaces.com/images/free-robux-mod_GM431946152.pdf
    • http://iluvlocalplaces.com/images/how-to-get-free-robux-codes-2021_GM431946152.pdf
    • http://iluvlocalplaces.com/images/rewards-roblox_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004845.bin
ea1f91ecf155a979d01aeb5dcc6707f3d3ac8eb83344569e35f32cf995ced4f5		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4845 28396 bytes
font_01_sfnt_off000088cc.bin
536746ef029180016b10674303df9b70bf6b2620163374f544b37f1543ff13dc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x88CC 18756 bytes

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