Malicious PDF — malware analysis report

Static analysis result for SHA-256 d17e2f7c3df06c18…

MALICIOUS

PDF

40.2 KB Created: 2021-05-17 04:41:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: d19375831645270a78c37edeb11b5226 SHA-1: 0bfa968dd2d73a4e2aed0c8a2acfba1acbc7cce1 SHA-256: d17e2f7c3df06c18176433feaab9844dc88060d57bf707140d28a54153345bfa
82 Risk Score

Malware Insights

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

The PDF contains a high-severity heuristic indicating it links to a 'free generator / game hack' redirector. The document body and extracted URLs reinforce this, showing lures related to game hacks and free currency. The primary malicious URL identified is https://netcdn.xyz/app/479516143/games-like-minecraft-but-free-game-hack, which likely leads to a further malicious resource.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9573

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/479516143/games-like-minecraft-but-free-game-hack PDF link annotation
    • http://gingerscience.co.in/images/how-to-get-robux-on-phone_GM431946152.pdfIn PDF document text
    • http://gingerscience.co.in/images/daily-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://gingerscience.co.in/images/free-coin-master-spins_GM406889139.pdfIn PDF document text
    • http://gingerscience.co.in/images/coin-master-hack-app-for-ios_GM406889139.pdfIn PDF document text
    • http://gingerscience.co.in/images/coin-master-hack-apk-2021-download_GM406889139.pdfIn PDF document text
    • http://gingerscience.co.in/images/how-to-hack-someones-minecraft-account_GM479516143.pdfIn PDF document text
    • http://gingerscience.co.in/images/roblox-royale-high-diamond-hack_GM431946152.pdfIn PDF document text
    • https://playhack.in/minecraftIn 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_off00004024.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4024 26500 bytes
SHA-256: 7acb5a2f5733be4ed3e6b4190631c0c44100c456fe3c0322c1ff96c46892cef5
font_01_sfnt_off00007bcc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7BCC 18352 bytes
SHA-256: 6b77667e5393daef3d5c6d964ee9e1e8f0bf8aa621da45ad5803b98c0c35dbed

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