Malicious PDF — malware analysis report

Static analysis result for SHA-256 6922bd181c0dae67…

MALICIOUS

PDF

42.2 KB Created: 2021-05-17 16:50:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: decc7335930787cd7432c43282126503 SHA-1: 53b2805858c18e9e9c23f17fc08478a1a9acf9fc SHA-256: 6922bd181c0dae67fe97e9d9a87c5eff8e588de4a34cc554e7f26664a2c74e18
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs that redirect to websites promising game hacks and free currency, a common lure for phishing or malware distribution. The heuristic 'PDF_GAME_HACK_REDIRECT_LURE' strongly indicates this malicious intent. While no scripts were explicitly extracted, the presence of embedded URLs and the ML classification suggest the document is designed to lead the user to a malicious site, likely for further exploitation or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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 https://netcdn.xyz/app/406889139/free-spins-and-coins-coin-master-app-game-hack PDF link annotation
    • http://peche-madagascar.com/images/free-robux-generator-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://peche-madagascar.com/images/earn-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://peche-madagascar.com/images/how-to-get-free-robux-without-downloading-anything_GM431946152.pdfIn PDF document text
    • http://peche-madagascar.com/images/coin-master-cheat-codes_GM406889139.pdfIn PDF document text
    • http://peche-madagascar.com/images/how-to-get-free-robux-youtube_GM431946152.pdfIn PDF document text
    • http://peche-madagascar.com/images/minecraft-alt-accounts-free_GM479516143.pdfIn PDF document text
    • http://peche-madagascar.com/images/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://peche-madagascar.com/images/roblox-script-hacks_GM431946152.pdfIn PDF document text
    • http://peche-madagascar.com/images/how-to-get-free-robux-easy-hack_GM431946152.pdfIn PDF document text
    • http://peche-madagascar.com/images/free-spin-link-coin-master-app_GM406889139.pdfIn PDF document text
    • http://peche-madagascar.com/images/113-hacked-client_GM479516143.pdfIn PDF document text
    • http://peche-madagascar.com/images/coin-master-free-spins-and-coins-link-haktuts_GM406889139.pdfIn PDF document text
    • http://peche-madagascar.com/images/get-free-coin-master_GM406889139.pdfIn PDF document text
    • http://peche-madagascar.com/images/minecraft-hacked-client-112-2_GM479516143.pdfIn PDF document text
    • http://peche-madagascar.com/images/free-robux-discord_GM431946152.pdfIn PDF document text
    • http://peche-madagascar.com/images/how-to-get-free-robux-for-real_GM431946152.pdfIn PDF document text
    • http://peche-madagascar.com/images/coin-master-free-spins-link-blogspot-april-2021_GM406889139.pdfIn PDF document text
    • http://peche-madagascar.com/images/how-to-get-free-robux-hack_GM431946152.pdfIn PDF document text
    • http://peche-madagascar.com/images/roblox-points_GM431946152.pdfIn PDF document text
    • http://peche-madagascar.com/images/free-spin-coin-master-hack-2021_GM406889139.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
stream_003_off00004833.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4833 26548 bytes
SHA-256: 60ec6a674fc9269ade36a7760740537d79174ceb333a27413b3ed4fa226115fd
font_01_sfnt_off0000831a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x831A 18060 bytes
SHA-256: d4954d2d00bde9f6a1061857a61d2c62c1ae360f44744af150ee923481526d51

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