Malicious PDF — malware analysis report

Static analysis result for SHA-256 54ddad71ee0fa647…

MALICIOUS

PDF

34.8 KB Created: 2021-07-08 05:55:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: a1d3fc0886f25ba39a45b44e25a51fac SHA-1: 6026f313122f724a9855a09f72011a29cac8eb35 SHA-256: 54ddad71ee0fa647ba036fa1ec191bacb56c3ee0fcd4b9cf8b7dcac0fafebcda
82 Risk Score

Malware Insights

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

The PDF document contains lures for free in-game currency and hacks, directing users to download files from external URLs. The ML classifier strongly flagged this PDF as malicious, and the presence of embedded URLs and a browser installation lure indicates a social engineering attempt to trick the user into downloading a payload. The primary malicious URL identified is http://netcdn.tw/app/431946152/but-link-says-free-robux-game-hack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
    Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
  • 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.tw/app/431946152/but-link-says-free-robux-game-hack
    • https://www.man2samarinda.com/__statics/gudangsoal/files/coin-master-hack-pro-gamers_GM406889139.pdf
    • https://www.man2samarinda.com/__statics/gudangsoal/files/coin-master-card-hack_GM406889139.pdf
    • https://www.man2samarinda.com/__statics/gudangsoal/files/coin-master-2021_GM406889139.pdf
    • https://man2samarinda.com/__statics/gudangsoal/files/instagram-coin-master-free-spins_GM406889139.pdf
    • https://www.man2samarinda.com/__statics/gudangsoal/files/free-robux-no-human-verification-or-survey-2021_GM431946152.pdf
    • https://man2samarinda.com/__statics/gudangsoal/files/free-robux-real_GM431946152.pdf
    • https://www.man2samarinda.com/__statics/gudangsoal/files/coin-master-spins-free-2021_GM406889139.pdf
    • https://www.man2samarinda.com/__statics/gudangsoal/files/get-robux-com_GM431946152.pdf
    • https://www.man2samarinda.com/__statics/gudangsoal/files/change-name-on-roblox-for-free_GM431946152.pdf
    • https://man2samarinda.com/__statics/gudangsoal/files/free-robux-without-verification-2021_GM431946152.pdf
    • https://www.man2samarinda.com/__statics/gudangsoal/files/how-to-get-free-coins-and-spins-on-coin-master_GM406889139.pdf
    • https://www.man2samarinda.com/__statics/gudangsoal/files/how-to-hack-minecraft_GM479516143.pdf
    • https://www.man2samarinda.com/__statics/gudangsoal/files/coin-master-free-food-for-pet_GM406889139.pdf
    • https://man2samarinda.com/__statics/gudangsoal/files/claim-free-spins-coin-master_GM406889139.pdf
    • https://www.man2samarinda.com/__statics/gudangsoal/files/coin-master-hack-2021_GM406889139.pdf
    • https://man2samarinda.com/__statics/gudangsoal/files/if-i-uninstall-minecraft-can-i-reinstall-it-for-free_GM479516143.pdf
    • https://man2samarinda.com/__statics/gudangsoal/files/how-to-download-minecraft-for-free-ios_GM479516143.pdf
    • https://man2samarinda.com/__statics/gudangsoal/files/how-to-make-a-private-server-on-roblox-for-free_GM431946152.pdf
    • https://www.man2samarinda.com/__statics/gudangsoal/files/rare-free-links-to-coin-master_GM406889139.pdf
    • https://www.man2samarinda.com/__statics/gudangsoal/files/free-robux-games-that-actually-work_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000030bf.bin
8b516659f89b291fe8e5cd44fa52782c3fb3f61898f93091f985fc0340e744b1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x30BF 22232 bytes
font_01_sfnt_off0000620f.bin
85e89077dd7519a4f4a641b8f2e0513bf80b3f407ef760b68c8b6f40ad995aa9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x620F 19292 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.