Malicious PDF — malware analysis report

Static analysis result for SHA-256 f06e3bafa928bd70…

MALICIOUS

PDF

43.9 KB Created: 2021-06-04 03:27:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: e1b013e8f1562d096cc1ee99099ba7ec SHA-1: 88830d8ad95848e6d3c02578d1c983ed9f6c0255 SHA-256: f06e3bafa928bd701a7493a8919d6caea8bd84c63a5fbc3a4912f3288401f846
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a lure related to game hacks and free in-game currency to entice users. It contains multiple embedded URLs, including one pointing to a 'coin-master-free-coins-and-spins-daily-game-hack' page, which is a common tactic for redirecting users to malicious sites. The ML classifier also flagged this PDF as malicious, supporting the assessment of a malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

Heuristics 5

  • 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.
  • 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 https://netcdn.online/app/406889139/coin-master-free-coins-and-spins-daily-game-hack PDF link annotation
    • http://lib.mappifhui.org/repository/coin-master-free-download-for-pc_GM406889139.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/coin-master-hack-android_GM406889139.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/how-to-hack-roblox-accounts-on-phone_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/minecraft-for-macbook-free_GM479516143.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/www-roblox-com-free-robux_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/coin-master-spin-blogspot_GM406889139.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/free-robux-accounts_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/robux-hack-generator_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/toolbox-apk_GM479516143.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/coin-master-hack-app_GM406889139.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/roblox-hack-client_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/krnl-download_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/coin-master-game-free-spin_GM406889139.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/safe-hack-for-coin-master-android_GM406889139.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/coin-master-hack-program_GM406889139.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/roblox-april-fools-hack_GM431946152.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/clean-master-coins-hack_GM406889139.pdfIn PDF document text
    • http://lib.mappifhui.org/repository/free-spins-coin-master-links-2021_GM406889139.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
stream_004_off00004f7a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4F7A 24716 bytes
SHA-256: 911ac918a0a1401f480b51f6f1137d854aa45fbb4670efcd48ac989a6603a368
font_01_sfnt_off00008849.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8849 18480 bytes
SHA-256: afe33923ca989cd5d8a4fb240de59bbfcccaf1928071fdd0e6e63d3de042dc3b

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