Malicious PDF — malware analysis report

Static analysis result for SHA-256 699eae0e7f215c32…

MALICIOUS

PDF

33.0 KB Created: 2021-07-19 15:05:21 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: c0605ca8c59a5091f2c8ec8324aa21ca SHA-1: 4abe0c7bd94ad2ef73e2db2a4fc3631a87703c6f SHA-256: 699eae0e7f215c32ffdad882e2331a097fb10311b9ab4edd350ccaf625e0d0db
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9938

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.tw/app/431946152/free-robux-website-game-hack PDF link annotation
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/how-to-hack-roblox-accounts-for-robux_GM431946152.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/free-robux-websites-2021_GM431946152.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/free-tiktok-accounts-with-followers_GM835599320.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/free-daily-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/coin-master-free-spin-and-coin_GM406889139.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/minecraft-mods-download-free_GM479516143.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/how-do-i-get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/how-to-start-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
    • https://learningmts.pondokyajri.com/__statics/gudangsoal/files/minecraft-xray-hack_GM479516143.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_off00002bf8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2BF8 22552 bytes
SHA-256: b6e6b8b32938d42c344267bfa2ccf3a7c1a81ece04ca238225777a4c173d5cdc
font_01_sfnt_off00005dd9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5DD9 18620 bytes
SHA-256: 1505002d6ea1bdfb5df8555ad3fb0955e96c48ae23d69b78f4b624628793cc75

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