Malicious PDF — malware analysis report

Static analysis result for SHA-256 f00ebe04e4777410…

MALICIOUS

PDF

33.1 KB Created: 2021-06-28 13:55:29 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 87e51bdffdc9854a310339551edb0fa7 SHA-1: ab6bc9a8fcf77c3cd9423b5dec7e167ccd64229d SHA-256: f00ebe04e4777410546272b92a8fe151f39bf36f9109e630088cdb081eb79469
82 Risk Score

Malware Insights

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

The PDF document contains multiple embedded URLs that are designed to lure users into clicking on them by promising game hacks and free currency. The primary URL, http://netcdn.co/app/431946152/2gunda-parte-del-hack-de-robux-game-hack, is flagged as a redirector for game hacks. This indicates a social engineering tactic to drive users to potentially malicious websites. No scripts were extracted, but the presence of numerous game-related lures and the ML classifier's high confidence suggest a malicious intent to redirect users to harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9824

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/431946152/2gunda-parte-del-hack-de-robux-game-hack PDF link annotation
    • http://www.highsecuritykwt.com/uploaded_files/userfiles/files/coin-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://www.highsecuritykwt.com/uploaded_files/userfiles/files/free-robux-websites-that-work_GM431946152.pdfIn PDF document text
    • http://www.highsecuritykwt.com/uploaded_files/userfiles/files/roblox-free-gift-event_GM431946152.pdfIn PDF document text
    • http://www.highsecuritykwt.com/uploaded_files/userfiles/files/roblox-executor-cheat-engine_GM431946152.pdfIn PDF document text
    • http://www.highsecuritykwt.com/uploaded_files/userfiles/files/fbchampion-com_GM406889139.pdfIn PDF document text
    • http://www.highsecuritykwt.com/uploaded_files/userfiles/files/coin-master-gameplay_GM406889139.pdfIn PDF document text
    • http://www.highsecuritykwt.com/uploaded_files/userfiles/files/hackear-juego-coin-master-espaol_GM406889139.pdfIn PDF document text
    • http://www.highsecuritykwt.com/uploaded_files/userfiles/files/what-is-coin-master-app_GM406889139.pdfIn PDF document text
    • http://www.highsecuritykwt.com/uploaded_files/userfiles/files/free-coins-coin-master-link-2021_GM406889139.pdfIn PDF document text
    • http://www.highsecuritykwt.com/uploaded_files/userfiles/files/real-coin-master-hacks_GM406889139.pdfIn PDF document text
    • http://www.highsecuritykwt.com/uploaded_files/userfiles/files/minecraft-free-download-pc_GM479516143.pdfIn PDF document text
    • http://www.highsecuritykwt.com/uploaded_files/userfiles/files/free-robux-uk_GM431946152.pdfIn PDF document text
    • http://www.highsecuritykwt.com/uploaded_files/userfiles/files/minecraft-apk-free-download_GM479516143.pdfIn PDF document text
    • http://www.highsecuritykwt.com/uploaded_files/userfiles/files/follower-fr-tiktok-free_GM835599320.pdfIn PDF document text
    • http://www.highsecuritykwt.com/uploaded_files/userfiles/files/roblox-escape-game-cheat_GM431946152.pdfIn PDF document text
    • http://www.highsecuritykwt.com/uploaded_files/userfiles/files/free-spin-coin-master-instagram_GM406889139.pdfIn PDF document text
    • http://www.highsecuritykwt.com/uploaded_files/userfiles/files/get-me-robux_GM431946152.pdfIn PDF document text
    • http://www.highsecuritykwt.com/uploaded_files/userfiles/files/free-robux-sites-that-work_GM431946152.pdfIn PDF document text
    • http://www.highsecuritykwt.com/uploaded_files/userfiles/files/how-to-hack-mcpe-master-coins_GM406889139.pdfIn PDF document text
    • http://www.highsecuritykwt.com/uploaded_files/userfiles/files/how-to-get-free-robux-for-free_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_off00002b39.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2B39 21812 bytes
SHA-256: e044cca6fbb53f7efff823db463a3fbeaad7b9e9ea4aa1b43e232035fec799f0
font_01_sfnt_off00005b1f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5B1F 19520 bytes
SHA-256: 9dbb091a924edba72a80aa71a6c747dffb83b2c1b82810580bf492620b7b61f7

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