Malicious PDF — malware analysis report

Static analysis result for SHA-256 8982c8a050b92410…

MALICIOUS

PDF

46.6 KB Created: 2021-05-14 14:24:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 5f197e09d7616cae02fa9f924de5bc57 SHA-1: 622bc6618428ec8c7e27225cd5b714420cb4cefa SHA-256: 8982c8a050b92410f1def4fffd8b778fcb1924bf6c15bdf867d77c8be60d30e2
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document displays a fake CAPTCHA or human verification prompt to trick the user into interacting with it. It contains an embedded URI pointing to a URL that likely serves as a download source for a second-stage payload. The presence of multiple URLs related to game hacks suggests a lure for potentially malicious downloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8948

Heuristics 4

  • Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
    Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
  • 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-girl-hair-roblox-game-hack
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/mobihack-net-roblox-hack_GM431946152.pdf
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/legit-coin-master-hack-october-2021_GM406889139.pdf
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/how-to-make-a-minecraft-bedrock-server-for-free_GM479516143.pdf
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/how-to-coin-master-hack_GM406889139.pdf
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/coin-master-hack-without-downloading-apps_GM406889139.pdf
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/how-to-hack-to-get-robux_GM431946152.pdf
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/how-to-free-robux_GM431946152.pdf
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/free-spins-coin-master_GM406889139.pdf
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/coin-master-claim-spins_GM406889139.pdf
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/roblox-robux-generator_GM431946152.pdf
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/how-to-get-free-spins-on-coin-master-hack_GM406889139.pdf
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/free-coin-master-spins-2021-link_GM406889139.pdf
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/how-to-download-minecraft-for-free-on-your-phone_GM479516143.pdf
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/original-roblox_GM431946152.pdf
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/robux-free-2021_GM431946152.pdf
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/free-coins-and-spins-2021_GM406889139.pdf
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/how-to-hack-roblox_GM431946152.pdf
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/rblx-gg-free-robux_GM431946152.pdf
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/how-to-download-minecraft-hacks_GM479516143.pdf
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/get-free-robux-2021_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004d91.bin
d4e37328d367aab6cb8fc46566bbc9ab4da0f5a77e0a3db04ef3cdb697237b99		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4D91 25864 bytes
font_01_sfnt_off0000893e.bin
2df87bbe4e27b27e34c872c092d0522acd977d05f5cbde7ed5e1fdfeb59cb318		 pdf-font-stream PDF embedded font (sfnt) at offset 0x893E 2984 bytes
font_02_sfnt_off0000938c.bin
8b4c4b2b466665ac93a944d4fc06515a87c4aea34a1519436c139db9e2468eb4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x938C 18296 bytes

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