Malicious PDF — malware analysis report

Static analysis result for SHA-256 c869567549951059…

MALICIOUS

PDF

45.7 KB Created: 2021-06-11 06:14:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: b34795061a3d5328fc8fc81f3bda7195 SHA-1: dc27f6ea7adc03fde80348c8078ec5392999fdbb SHA-256: c869567549951059b85e94afb4e4dc4655958dfdb30cfb0c07d0f2c8763cee2a
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and references to Roblox exploits and free Robux, strongly suggesting a phishing or malware distribution lure. The ML classifier also flagged this PDF as malicious. The presence of these URLs indicates an attempt to redirect the user to malicious sites for downloading further payloads or compromising their accounts.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9864

Heuristics 4

  • LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
    Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
  • 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.tw/app/431946152/roblox-executors-free-download-game-hack
    • http://e-learning.man2-oki.sch.id/__statics/gudangsoal/files/hack-inventary-roblox_GM431946152.pdf
    • http://e-learning.man2-oki.sch.id/__statics/gudangsoal/files/roblox-chat-hacks-script_GM431946152.pdf
    • http://e-learning.man2-oki.sch.id/__statics/gudangsoal/files/get-free-robux-com_GM431946152.pdf
    • http://e-learning.man2-oki.sch.id/__statics/gudangsoal/files/what-games-on-roblox-give-you-free-robux_GM431946152.pdf
    • http://e-learning.man2-oki.sch.id/__statics/gudangsoal/files/how-to-change-you-name-in-roblox-hack_GM431946152.pdf
    • http://e-learning.man2-oki.sch.id/__statics/gudangsoal/files/descargar-hack-para-hackear-cuentas-de-roblox-descargando-algo_GM431946152.pdf
    • http://e-learning.man2-oki.sch.id/__statics/gudangsoal/files/where-can-i-get-free-spins-for-coin-master_GM406889139.pdf
    • http://e-learning.man2-oki.sch.id/__statics/gudangsoal/files/how-do-you-get-free-robux-on-roblox_GM431946152.pdf
    • http://e-learning.man2-oki.sch.id/__statics/gudangsoal/files/roblox-cheat-buddy-aimbot-script_GM431946152.pdf
    • http://e-learning.man2-oki.sch.id/__statics/gudangsoal/files/roblox-free-robux-no-survey_GM431946152.pdf
    • http://e-learning.man2-oki.sch.id/__statics/gudangsoal/files/2021-robux-hack_GM431946152.pdf
    • http://e-learning.man2-oki.sch.id/__statics/gudangsoal/files/www-roblox-hack-com_GM431946152.pdf
    • http://e-learning.man2-oki.sch.id/__statics/gudangsoal/files/avatar-in-roblox-free_GM431946152.pdf
    • http://e-learning.man2-oki.sch.id/__statics/gudangsoal/files/how-to-cheat-robux-2021_GM431946152.pdf
    • http://e-learning.man2-oki.sch.id/__statics/gudangsoal/files/hacking-curleyhairs-in-roblox_GM431946152.pdf
    • http://e-learning.man2-oki.sch.id/__statics/gudangsoal/files/free-robux-no-human-verification-or-survey-or-download-2021_GM431946152.pdf
    • http://e-learning.man2-oki.sch.id/__statics/gudangsoal/files/unlimited-robux-hack-generator_GM431946152.pdf
    • http://e-learning.man2-oki.sch.id/__statics/gudangsoal/files/coin-master-free-coins-2021_GM406889139.pdf
    • http://e-learning.man2-oki.sch.id/__statics/gudangsoal/files/free-tiktok-hearts_GM835599320.pdf
    • http://e-learning.man2-oki.sch.id/__statics/gudangsoal/files/roblox-booga-booga-instant-kill-hack_GM431946152.pdf
    • http://e-learning.man2
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00005300.bin
88b64487d5a0e3dece9d2aebebbabd001734925f070691d0b0421f6ed4da73c2		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5300 25960 bytes
font_01_sfnt_off00008df0.bin
0264d63ccff7066f8d18fbe4913c93e1753b86fcab22668d98fd75bf0d177c5a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8DF0 18924 bytes

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