Malicious PDF — malware analysis report

Static analysis result for SHA-256 07910209064800eb…

MALICIOUS

PDF

44.0 KB Created: 2021-05-14 10:05:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 543ab68700c9afcc49fd406c64d866c6 SHA-1: 00b64dbab30fb78ba514377528f7bbf1bf4e3e1c SHA-256: 07910209064800eb68135484d649f61835cc20307648656a8e1522eab4e1fe48
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, encouraging users to click a link to download a file. This is supported by the 'SE_FAKE_CAPTCHA' heuristic and the presence of multiple URLs pointing to potentially malicious content. The primary URL, https://netcdn.xyz/app/431946152/robux-for-kids-game-hack, is likely the intended download destination for a second-stage payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

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/robux-for-kids-game-hack PDF link annotation
    • https://elmin3jkt.com/__statics/gudangsoal/files/free-minecraft-survival-server_GM479516143.pdfIn PDF document text
    • https://elmin3jkt.com/__statics/gudangsoal/files/free-coin-coin-master_GM406889139.pdfIn PDF document text
    • https://elmin3jkt.com/__statics/gudangsoal/files/www-coin-master-hack-xyz_GM406889139.pdfIn PDF document text
    • https://elmin3jkt.com/__statics/gudangsoal/files/coin-master-free-spins-link-may-2021_GM406889139.pdfIn PDF document text
    • https://elmin3jkt.com/__statics/gudangsoal/files/how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
    • https://elmin3jkt.com/__statics/gudangsoal/files/coin-master-hack-spin-generator-tool_GM406889139.pdfIn PDF document text
    • https://elmin3jkt.com/__statics/gudangsoal/files/free-robux-on-iphone_GM431946152.pdfIn PDF document text
    • https://elmin3jkt.com/__statics/gudangsoal/files/free-robux-no-verification-2021_GM431946152.pdfIn PDF document text
    • https://elmin3jkt.com/__statics/gudangsoal/files/free-spins-generated-from-coin-master_GM406889139.pdfIn PDF document text
    • https://elmin3jkt.com/__statics/gudangsoal/files/coin-master-attack-hack_GM406889139.pdfIn PDF document text
    • https://elmin3jkt.com/__statics/gudangsoal/files/coin-master-free-spins-link-today-instagram_GM406889139.pdfIn PDF document text
    • https://elmin3jkt.com/__statics/gudangsoal/files/roblox-sign-in-free_GM431946152.pdfIn PDF document text
    • https://elmin3jkt.com/__statics/gudangsoal/files/free-roblox-promo-codes-for-robux_GM431946152.pdfIn PDF document text
    • https://elmin3jkt.com/__statics/gudangsoal/files/roblox-games-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • https://elmin3jkt.com/__statics/gudangsoal/files/who-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://elmin3jkt.com/__statics/gudangsoal/files/coin-master-free-spin-and-coin-link-haktuts-hacking-news_GM406889139.pdfIn PDF document text
    • https://elmin3jkt.com/__statics/gudangsoal/files/free-robux-generator-2021-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
    • https://elmin3jkt.com/__statics/gudangsoal/files/daily-coin-master_GM406889139.pdfIn PDF document text
    • https://elmin3jkt.com/__statics/gudangsoal/files/blogger-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://elmin3jkt.com/__statics/gudangsoal/files/coin-master-hack-software_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004cf1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4CF1 26404 bytes
SHA-256: 91069d078f9ffce28c85b03d89a54b64183584ddb69e3340bea98ed82e953606
font_01_sfnt_off00008981.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8981 18308 bytes
SHA-256: 8a34bf7029799339b91ee5bbc9e7150d15a201a0a283206b71f5bacd63347ffe

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