Malicious PDF — malware analysis report

Static analysis result for SHA-256 e3337e534365e55e…

MALICIOUS

PDF

44.3 KB Created: 2021-06-03 13:15:44 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: e313560abffce2418dc2ffa45232b3b1 SHA-1: 931661ce295a0a4c2552da828b08049acb28b65c SHA-256: e3337e534365e55e3632fb4adc7eb26c74560cf57b781d2e4debd4ecc5d523fb
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The document presents a fake CAPTCHA lure, aiming to trick the user into clicking a link to download a potentially malicious file. The embedded URL and numerous other URLs point to sites offering game hacks or cheats, suggesting a social engineering tactic to deliver malware. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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.online/app/431946152/roblox-hack-site-game-hack
    • http://belajar.kurman1kotasemarang.com/__statics/gudangsoal/files/roblox-robux-hack_GM431946152.pdf
    • http://belajar.kurman1kotasemarang.com/__statics/gudangsoal/files/coin-master-daily-free-spins_GM406889139.pdf
    • http://belajar.kurman1kotasemarang.com/__statics/gudangsoal/files/www-coinmaster-com_GM406889139.pdf
    • http://belajar.kurman1kotasemarang.com/__statics/gudangsoal/files/get-robux-today_GM431946152.pdf
    • http://belajar.kurman1kotasemarang.com/__statics/gudangsoal/files/coin-master-hack-apk_GM406889139.pdf
    • http://belajar.kurman1kotasemarang.com/__statics/gudangsoal/files/coin-master-hack-cheat-engine_GM406889139.pdf
    • http://belajar.kurman1kotasemarang.com/__statics/gudangsoal/files/free-robux-hack-generator_GM431946152.pdf
    • http://belajar.kurman1kotasemarang.com/__statics/gudangsoal/files/100-free-spins-for-coin-master_GM406889139.pdf
    • http://belajar.kurman1kotasemarang.com/__statics/gudangsoal/files/free-robux-no-generator_GM431946152.pdf
    • http://belajar.kurman1kotasemarang.com/__statics/gudangsoal/files/how-to-coin-master-spin-hack_GM406889139.pdf
    • http://belajar.kurman1kotasemarang.com/__statics/gudangsoal/files/free-printable-minecraft-coloring-pages_GM479516143.pdf
    • http://belajar.kurman1kotasemarang.com/__statics/gudangsoal/files/is-roblox-hacked_GM431946152.pdf
    • http://belajar.kurman1kotasemarang.com/__statics/gudangsoal/files/how-to-get-roblox-credit-for-free_GM431946152.pdf
    • http://belajar.kurman1kotasemarang.com/__statics/gudangsoal/files/how-to-get-free-robux-without-doing-anything-2021_GM431946152.pdf
    • http://belajar.kurman1kotasemarang.com/__statics/gudangsoal/files/how-to-make-a-modded-minecraft-server-for-free_GM479516143.pdf
    • http://belajar.kurman1kotasemarang.com/__statics/gudangsoal/files/can-i-get-robux-for-free_GM431946152.pdf
    • http://belajar.kurman1kotasemarang.com/__statics/gudangsoal/files/minecraft-free-ios_GM479516143.pdf
    • http://belajar.kurman1kotasemarang.com/__statics/gudangsoal/files/can-u-get-free-robux_GM431946152.pdf
    • http://belajar.kurman1kotasemarang.com/__statics/gudangsoal/files/how-to-earn-free-robux_GM431946152.pdf
    • http://belajar.kurman1kotasemarang.com/__statics/gudangsoal/files/coin-master-free-spins-2021-link_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off0000518a.bin
9562485e3ec19e8d04d415b29a84654d77ae093d2ad645900064d9c6e7e08076		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x518A 24512 bytes
font_01_sfnt_off000089fa.bin
baa68e8b80fe17984eb0f5893287011db8c451c65a8bba41303beeb2aadfa952		 pdf-font-stream PDF embedded font (sfnt) at offset 0x89FA 18408 bytes

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