Malicious PDF — malware analysis report

Static analysis result for SHA-256 f3e64ebcf64163a3…

MALICIOUS

PDF

33.2 KB Created: 2021-06-27 09:22:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: e1286cd2d2d54078f49134dc46218170 SHA-1: 30fb1993c56f496c35d8c4374607ef30f912b7c1 SHA-256: f3e64ebcf64163a3dfd867599a250ce60872478fc5c2adf3b2db7beb40d52c67
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a heuristic firing for a 'GAME_HACK_REDIRECT_LURE' and an embedded URI pointing to a URL associated with game hacks. The document body also contains the same URL, suggesting a social engineering lure to trick users into visiting a potentially malicious site. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
  • 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/835599320/free-followers-on-tiktok-game-hack PDF link annotation
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/how-to-hack-someone-on-roblox_GM431946152.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/daily-free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/roblox-royale-high-diamond-hack_GM431946152.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/hack-coin-master-android_GM406889139.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/get-free-robux-roblox-games_GM431946152.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/coin-master-free-spin-download_GM406889139.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/download-minecraft-bedrock_GM479516143.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/is-minecraft-free-on-pc_GM479516143.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/robux-best_GM431946152.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/coin-master-free-spin-software_GM406889139.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/how-to-hack-people-on-roblox_GM431946152.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/free-generator_GM431946152.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/coin-master-free-raid-link_GM406889139.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/http-appsmob-info-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/krnl-roblox_GM431946152.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/best-hack-for-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/client-minecraft_GM479516143.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/coin-master-hack-100-working_GM406889139.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/roblox-weird_GM431946152.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/free-robux-app-real_GM431946152.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_off00002fd5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FD5 21600 bytes
SHA-256: 0fa3ebb0c6457edfaf6cb7a627a468754036baa2a1082a966c99a3f8523bec8b
font_01_sfnt_off00005ef5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5EF5 18208 bytes
SHA-256: 900242d07ae6cab3e433aa8487f91ab2231c36085b8f0385cc652e07bc701d11

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