Malicious PDF — malware analysis report

Static analysis result for SHA-256 db41793a5667064f…

MALICIOUS

PDF

36.2 KB Created: 2021-07-01 13:40:21 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 9f7b48b3bbb2d25eaee082fcd64f7dbd SHA-1: d22a8fd6fb613f3359d8fff4323e8d4c8b1e54c4 SHA-256: db41793a5667064f7f0efcd3aa260e2f165f1036d7c5d510781a52054f75eadf
62 Risk Score

Malware Insights

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

The document body and embedded URLs indicate a lure for users interested in game hacking and currency generation, specifically mentioning Roblox and Coin Master. The ML classifier strongly flagged this PDF as malicious, and the presence of external URIs suggests it is designed to lead users to download further malicious content. The document's content and structure align with a phishing or social engineering attack aimed at tricking users into downloading malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • 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.co/app/431946152/hack-people
    • http://katalog.iain-padangsidimpuan.ac.id/repository/blox-fun-info_GM431946152.pdf
    • http://katalog.iain-padangsidimpuan.ac.id/repository/minecraft-18-9-hacked-client_GM479516143.pdf
    • http://katalog.iain-padangsidimpuan.ac.id/repository/coin-master-free-spins-link-today-instagram_GM406889139.pdf
    • http://katalog.iain-padangsidimpuan.ac.id/repository/daily-free-spin-coin-master-link_GM406889139.pdf
    • http://katalog.iain-padangsidimpuan.ac.id/repository/free-online-robux-generatorhttp-bitiy-2gcisvw_GM431946152.pdf
    • http://katalog.iain-padangsidimpuan.ac.id/repository/roblox-titanic-script-hack_GM431946152.pdf
    • http://katalog.iain-padangsidimpuan.ac.id/repository/roblox-hack-legend-speed_GM431946152.pdf
    • http://katalog.iain-padangsidimpuan.ac.id/repository/download-roblox-free-windows_GM431946152.pdf
    • http://katalog.iain-padangsidimpuan.ac.id/repository/free-coins-coin-master-2021_GM406889139.pdf
    • http://katalog.iain-padangsidimpuan.ac.id/repository/coin-master-apk-hacked-3526_GM406889139.pdf
    • http://katalog.iain-padangsidimpuan.ac.id/repository/coin-master-100-spin_GM406889139.pdf
    • http://katalog.iain-padangsidimpuan.ac.id/repository/talk-as-someone-roblox-script-hack_GM431946152.pdf
    • http://katalog.iain-padangsidimpuan.ac.id/repository/how-to-change-your-username-on-roblox-for-free-2021_GM431946152.pdf
    • http://katalog.iain-padangsidimpuan.ac.id/repository/coin-master-daily-free-spins_GM406889139.pdf
    • http://katalog.iain-padangsidimpuan.ac.id/repository/account-over-13-years-roblox-hack_GM431946152.pdf
    • http://katalog.iain-padangsidimpuan.ac.id/repository/free-exploits-roblox-2021_GM431946152.pdf
    • http://katalog.iain-padangsidimpuan.ac.id/repository/roblox-free-accounts-and-passwords_GM431946152.pdf
    • http://katalog.iain-padangsidimpuan.ac.id/repository/hack-coin-master-link_GM406889139.pdf
    • http://katalog.iain-padangsidimpuan.ac.id/repository/free-hotel-logo-roblox_GM431946152.pdf
    • http://katalog.iain-padangsidimpuan.ac.id/repository/how-to-hack-roblox-accounts-on-phone-2021_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000033fc.bin
f11a00cb981cc66720bc1313ab7fe6f4aedc6fabe713d80e46c979bc21834756		 pdf-font-stream PDF embedded font (sfnt) at offset 0x33FC 22612 bytes
font_01_sfnt_off000066a1.bin
f0b22e651aafb99e5770dbe507f441283bc73835c08c01012b37bf07d9946924		 pdf-font-stream PDF embedded font (sfnt) at offset 0x66A1 19756 bytes

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