Malicious PDF — malware analysis report

Static analysis result for SHA-256 416e5aff32a17d59…

MALICIOUS

PDF

43.3 KB Created: 2021-06-13 18:07:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: e7d570b949b896f265af5f658d6fa79b SHA-1: d56912ad47f546c3f187ddf67d5521102c5b3c55 SHA-256: 416e5aff32a17d598ed06db373271303f1b9cf0210858730deb79253dc84297d
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains embedded URLs and a lure related to "Roblox Cheats", suggesting a social engineering attempt to trick users into downloading a malicious file. The presence of a "password-protected archive" lure further indicates an attempt to bypass security measures. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious download attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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 http://netcdn.co/app/431946152/xbox-one-roblox-cheats-game-hack
    • http://opac.akafarma-aceh.ac.id/repository/cheat-codes-for-coin-master_GM406889139.pdf
    • http://opac.akafarma-aceh.ac.id/repository/toolbox-for-minecraft_GM479516143.pdf
    • http://opac.akafarma-aceh.ac.id/repository/robux-robux-robux-free_GM431946152.pdf
    • http://opac.akafarma-aceh.ac.id/repository/lots-of-robux_GM431946152.pdf
    • http://opac.akafarma-aceh.ac.id/repository/hack-sentences-in-roblox_GM431946152.pdf
    • http://opac.akafarma-aceh.ac.id/repository/roblox-ip-address-hack_GM431946152.pdf
    • http://opac.akafarma-aceh.ac.id/repository/roblox-cp_GM431946152.pdf
    • http://opac.akafarma-aceh.ac.id/repository/coin-master-cheats-for-free-spins_GM406889139.pdf
    • http://opac.akafarma-aceh.ac.id/repository/coin-master-download_GM406889139.pdf
    • http://opac.akafarma-aceh.ac.id/repository/aimbot-hack-roblox-counter-blox_GM431946152.pdf
    • http://opac.akafarma-aceh.ac.id/repository/coin-master-hack-version-2021-download_GM406889139.pdf
    • http://opac.akafarma-aceh.ac.id/repository/how-to-get-free-followers-on-roblox_GM431946152.pdf
    • http://opac.akafarma-aceh.ac.id/repository/free-robux-site_GM431946152.pdf
    • http://opac.akafarma-aceh.ac.id/repository/free-roblox-items-codes_GM431946152.pdf
    • http://opac.akafarma-aceh.ac.id/repository/robux-hack-without-verification_GM431946152.pdf
    • http://opac.akafarma-aceh.ac.id/repository/pastebin-how-to-get-free-robux-2021_GM431946152.pdf
    • http://opac.akafarma-aceh.ac.id/repository/coin-master-daily-free-spin-app_GM406889139.pdf
    • http://opac.akafarma-aceh.ac.id/repository/roblox-free-robux-com_GM431946152.pdf
    • http://opac.akafarma-aceh.ac.id/repository/free-developer-on-roblox_GM431946152.pdf
    • http://opac.akafarma-aceh.ac.id/repository/robux-converter_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004f95.bin
47e0f78f425570ef3127844c46c4ea85d5b402b8855d71cfab2cee02d5c144fa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4F95 24168 bytes
font_01_sfnt_off00008668.bin
3ed5d6dfea483e8e002a9d9acc4b3810906a27d58cb977ef1f119f91a612b794		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8668 18280 bytes

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