Malicious PDF — malware analysis report

Static analysis result for SHA-256 ad3331517500c3fb…

MALICIOUS

PDF

42.2 KB Created: 2021-05-16 02:19:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: eb6a5b9a2a0139cf864b8fe8ebc92915 SHA-1: 8dab7b7f05345cbe3e87b58991b37df769f3980c SHA-256: ad3331517500c3fbe52b768f8dbdd477a58e2fcd927e8eec4bc9129c8ce14e62
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains heuristics indicating an advance-fee scam lure, presenting language related to lotteries or prizes and parcel delivery requirements. It also contains numerous embedded URLs pointing to potentially malicious PDF files, suggesting a download lure. The ML classifier strongly flagged this PDF as malicious, supporting the scam and download intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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/robux-websites-2021-game-hack
    • http://d-loft.com.tr/images/best-free-hacked-client_GM479516143.pdf
    • http://d-loft.com.tr/images/coin-master-free-spins-ios-2021_GM406889139.pdf
    • http://d-loft.com.tr/images/how-can-i-get-free-robux_GM431946152.pdf
    • http://d-loft.com.tr/images/codes-how-to-get-free-robux_GM431946152.pdf
    • http://d-loft.com.tr/images/mcpe-master-coin-hack-apk_GM406889139.pdf
    • http://d-loft.com.tr/images/how-to-hack-roblox-accounts_GM431946152.pdf
    • http://d-loft.com.tr/images/coin-master-hack-tips_GM406889139.pdf
    • http://d-loft.com.tr/images/free-robux-no-download_GM431946152.pdf
    • http://d-loft.com.tr/images/free-face-roblox_GM431946152.pdf
    • http://d-loft.com.tr/images/roblox-pink-free-robux_GM431946152.pdf
    • http://d-loft.com.tr/images/spin-and-coin_GM406889139.pdf
    • http://d-loft.com.tr/images/coin-master-daily-free-spins-link-today-2021_GM406889139.pdf
    • http://d-loft.com.tr/images/free-robux-codes_GM431946152.pdf
    • http://d-loft.com.tr/images/free-robux-today_GM431946152.pdf
    • http://d-loft.com.tr/images/minecraft-jar-free_GM479516143.pdf
    • http://d-loft.com.tr/images/free-minecraft-education-edition_GM479516143.pdf
    • http://d-loft.com.tr/images/coin-master-hack-without-human-verification-2021_GM406889139.pdf
    • http://d-loft.com.tr/images/coin-master-heaven-free-spins_GM406889139.pdf
    • http://d-loft.com.tr/images/free-roblox-hair-boy_GM431946152.pdf
    • http://d-loft.com.tr/images/roblox-inappropriate-games_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000048ac.bin
45d13855141a33b4e8fc7069821143a3a4b0ab25d4be431a7aa401078a8746f4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x48AC 24704 bytes
font_01_sfnt_off00008130.bin
8e35f60a006eed5ffc493481045aa1980878ced5d77eb8f37738a10bc05aa5ba		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8130 18676 bytes

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