Malicious PDF — malware analysis report

Static analysis result for SHA-256 0088363af7673cc9…

MALICIOUS

PDF

46.2 KB Created: 2021-05-16 07:14:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: de49c64bca84b3d16e5db6a461da9411 SHA-1: d600364ce08934450d3ddf656c9d3b7f6140e0a2 SHA-256: 0088363af7673cc9d8736fa5f98df1b78c1f457cbb5e2aa1c30776138a4306c4
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and lures users with promises of free game items, indicating a phishing or scam attempt. The presence of a download button lure and password protection instructions suggests the document is designed to trick users into downloading a malicious payload, likely an archive that requires a password provided within the document. No scripts were extracted, but the overall structure and embedded URLs point to a malicious download attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9278

Heuristics 4

  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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/free-roblox-usernames-and-passwords-game-hack
    • https://e-learning.mtsn4cirebon.sch.id/__statics/gudangsoal/files/coin-master-daily-free-spins-and-coins_GM406889139.pdf
    • https://e-learning.mtsn4cirebon.sch.id/__statics/gudangsoal/files/free-roblox-hack-us_GM431946152.pdf
    • https://e-learning.mtsn4cirebon.sch.id/__statics/gudangsoal/files/websites-that-give-you-free-robux_GM431946152.pdf
    • https://e-learning.mtsn4cirebon.sch.id/__statics/gudangsoal/files/free-spins-and-coins-blogspot-coin-master_GM406889139.pdf
    • https://e-learning.mtsn4cirebon.sch.id/__statics/gudangsoal/files/roblox-toy-codes-free_GM431946152.pdf
    • https://e-learning.mtsn4cirebon.sch.id/__statics/gudangsoal/files/free-robux-hack-no-human-verification_GM431946152.pdf
    • https://e-learning.mtsn4cirebon.sch.id/__statics/gudangsoal/files/free-robux-microsoft_GM431946152.pdf
    • https://e-learning.mtsn4cirebon.sch.id/__statics/gudangsoal/files/wurst-commands_GM479516143.pdf
    • https://e-learning.mtsn4cirebon.sch.id/__statics/gudangsoal/files/how-to-hack-roblox-to-get-robux_GM431946152.pdf
    • https://e-learning.mtsn4cirebon.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-fast-and-easy_GM431946152.pdf
    • https://e-learning.mtsn4cirebon.sch.id/__statics/gudangsoal/files/websites-that-give-free-robux_GM431946152.pdf
    • https://e-learning.mtsn4cirebon.sch.id/__statics/gudangsoal/files/earn-robux-websites_GM431946152.pdf
    • https://e-learning.mtsn4cirebon.sch.id/__statics/gudangsoal/files/minecraft-pe-free-download_GM479516143.pdf
    • https://e-learning.mtsn4cirebon.sch.id/__statics/gudangsoal/files/free-coins-coin-master_GM406889139.pdf
    • https://e-learning.mtsn4cirebon.sch.id/__statics/gudangsoal/files/minecraft-hack-2021_GM479516143.pdf
    • https://e-learning.mtsn4cirebon.sch.id/__statics/gudangsoal/files/robux_GM431946152.pdf
    • https://e-learning.mtsn4cirebon.sch.id/__statics/gudangsoal/files/free-spin-sites-for-coin-master_GM406889139.pdf
    • https://e-learning.mtsn4cirebon.sch.id/__statics/gudangsoal/files/roblox-generator-no-human-verification_GM431946152.pdf
    • https://e-learning.mtsn4cirebon.sch.id/__statics/gudangsoal/files/robloxbux-us-generator_GM431946152.pdf
    • https://e-learning.mtsn4cirebon.sch.id/__statics/gudangsoal/files/blox-pink-robux-free_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004af5.bin
2876cdf445e94ca10c01fefaef59f66123566cbdae378c35a06fe3436058edbe		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4AF5 25548 bytes
font_01_sfnt_off00008606.bin
e9630f3bb738ae3bc329a423cf069c8035d70ce2227e3557c42815f85ad3284f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8606 2852 bytes
font_02_sfnt_off00008fc8.bin
4ca79c3400c2e544e20f63a9868b58ba7722eecbf886e057a9204575cc512969		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8FC8 19112 bytes

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