Malicious PDF — malware analysis report

Static analysis result for SHA-256 6f05180f351c4afe…

MALICIOUS

PDF

33.8 KB Created: 2021-07-05 05:22:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 44bcca5cb3ac0de172225cfe29cb78ab SHA-1: 4bfa7b0c9061d4b6f74d42b247fb8cd5e0b76da4 SHA-256: 6f05180f351c4afe566335163b7808f8431547549ad3de03050dec345cce3a0d
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 0.9980

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.tw/app/431946152/who-to-get-free-robux-game-hack PDF link annotation
    • http://digilib.stie-yppi.ac.id/repository/how-to-hack-roblox-accounts-2021-easy_GM431946152.pdfIn PDF document text
    • http://digilib.stie-yppi.ac.id/repository/cheate-pour-roblox-arsenal_GM431946152.pdfIn PDF document text
    • http://digilib.stie-yppi.ac.id/repository/set-roblox-hack_GM431946152.pdfIn PDF document text
    • http://digilib.stie-yppi.ac.id/repository/roblox-ban_GM431946152.pdfIn PDF document text
    • http://digilib.stie-yppi.ac.id/repository/coin-master-free-spins-and-coins-app-download_GM406889139.pdfIn PDF document text
    • http://digilib.stie-yppi.ac.id/repository/daily-coin-master-free-spin-apk_GM406889139.pdfIn PDF document text
    • http://digilib.stie-yppi.ac.id/repository/minecraft-handbook_GM479516143.pdfIn PDF document text
    • http://digilib.stie-yppi.ac.id/repository/backpack-roblox-free_GM431946152.pdfIn PDF document text
    • http://digilib.stie-yppi.ac.id/repository/free-roblox-scripts-for-studio_GM431946152.pdfIn PDF document text
    • http://digilib.stie-yppi.ac.id/repository/get-free-robux-from-roblox_GM431946152.pdfIn PDF document text
    • http://digilib.stie-yppi.ac.id/repository/download-roblox-windows-7-free_GM431946152.pdfIn PDF document text
    • http://digilib.stie-yppi.ac.id/repository/roblox-electric-state-hack_GM431946152.pdfIn PDF document text
    • http://digilib.stie-yppi.ac.id/repository/games-on-roblox-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://digilib.stie-yppi.ac.id/repository/how-to-hack-roblox-accounts-2021_GM431946152.pdfIn PDF document text
    • http://digilib.stie-yppi.ac.id/repository/free-robux-generator-only-today_GM431946152.pdfIn PDF document text
    • http://digilib.stie-yppi.ac.id/repository/www-bandicam-com-free-robux_GM431946152.pdfIn PDF document text
    • http://digilib.stie-yppi.ac.id/repository/roblox-hack-download_GM431946152.pdfIn PDF document text
    • http://digilib.stie-yppi.ac.id/repository/games-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://digilib.stie-yppi.ac.id/repository/vortexx-free-robux_GM431946152.pdfIn PDF document text
    • http://digilib.stie-yppi.ac.id/repository/how-to-hack-roblox-scripts_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002c86.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2C86 22484 bytes
SHA-256: 7cd5a15683ee21ee6d1c522ace492b9bcf797f6e6b4f1ad0aee3d6eac10ff363
font_01_sfnt_off00005eb8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5EB8 19184 bytes
SHA-256: 8d240f683c5a5d51cb605f4b06df9d271b22e3bf7dc4e657cba8cc5b4ea7a16b

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