Malicious PDF — malware analysis report

Static analysis result for SHA-256 ea402d33e2275790…

MALICIOUS

PDF

47.6 KB Created: 2021-05-12 02:04:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: e608d7b572e34c1a5f8a776c5d0b457f SHA-1: 58e511707031edee9ee5dc6b71088739210617c2 SHA-256: ea402d33e22757902eaaaa4f893d6675bf3eb553c89c3f91c5faf6123fb339b0
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document uses a lure related to free Robux and game hacks, a common advance-fee scam. It contains embedded URLs pointing to potentially malicious download sites. The ML classifier also flagged this PDF as malicious, indicating a high likelihood of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9013

Heuristics 4

  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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/get-free-robux-no-verification-game-hack
    • https://imagetravelnepal.com/userfiles/files/coin-master-hack-generator-tool_GM406889139.pdf
    • https://imagetravelnepal.com/userfiles/files/coin-master-hack-download_GM406889139.pdf
    • https://imagetravelnepal.com/userfiles/files/robux-hack-no-verification_GM431946152.pdf
    • https://imagetravelnepal.com/userfiles/files/how-to-get-free-roebucks_GM431946152.pdf
    • https://imagetravelnepal.com/userfiles/files/worst-roblox-avatars_GM431946152.pdf
    • https://imagetravelnepal.com/userfiles/files/robux-free-gift-card_GM431946152.pdf
    • https://imagetravelnepal.com/userfiles/files/how-can-i-get-free-robux_GM431946152.pdf
    • https://imagetravelnepal.com/userfiles/files/40-free-spins-coin-master_GM406889139.pdf
    • https://imagetravelnepal.com/userfiles/files/roblox-free-robux-generator_GM431946152.pdf
    • https://imagetravelnepal.com/userfiles/files/free-robux-meme_GM431946152.pdf
    • https://imagetravelnepal.com/userfiles/files/free-coinmaster-spins_GM406889139.pdf
    • https://imagetravelnepal.com/userfiles/files/best-minecraft-hacked-client-2021_GM479516143.pdf
    • https://imagetravelnepal.com/userfiles/files/roblox-free-roblox_GM431946152.pdf
    • https://imagetravelnepal.com/userfiles/files/coin-master-daily-free-spins-link-blogspot_GM406889139.pdf
    • https://imagetravelnepal.com/userfiles/files/coin-master-free-spins-link-2021-ios_GM406889139.pdf
    • https://imagetravelnepal.com/userfiles/files/free-coin-master-links_GM406889139.pdf
    • https://imagetravelnepal.com/userfiles/files/robux-free-gift-card-org-hack_GM431946152.pdf
    • https://imagetravelnepal.com/userfiles/files/114-4-hacks_GM479516143.pdf
    • https://imagetravelnepal.com/userfiles/files/coin-master-hack-root_GM406889139.pdf
    • https://imagetravelnepal.com/userfiles/files/how-to-get-free-robux-codes-2021_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004d75.bin
3981b82227f11021e79f2fe04e8bbeeae9975da07caea66fc08646359fb05e0f		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4D75 27764 bytes
font_01_sfnt_off00008d23.bin
a66b570a908761b39e6d9e18bcb667c353840a86c6a7db528f79d01abe6b23a1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8D23 2844 bytes
font_02_sfnt_off000096ca.bin
9922d9be899d889309b30d551f0ca0ad5440aa2f545e895e218caf9f3be39a86		 pdf-font-stream PDF embedded font (sfnt) at offset 0x96CA 18600 bytes

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