Malicious PDF — malware analysis report

Static analysis result for SHA-256 dae386512ed508e5…

MALICIOUS

PDF

34.7 KB Created: 2021-05-23 16:41:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: e741a64a3b894d40758265bb7f9e29a1 SHA-1: 67ba6bb1b1b2adeda5bb4fef24db1d4fe6ba2bbf SHA-256: dae386512ed508e5c2ec3ffd9287ad3dfad13b70415ce634709702141e481406
92 Risk Score

Malware Insights

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

The PDF file contains heuristics indicating it's a lure for game hacks and remote support tools, directing users to a suspicious URL. The document body, though partially garbled, contains references to 'Minecraft On Computer Free' and 'CLICK HERE TO ACCESS MINECRAFT GENERATOR', reinforcing the lure. The presence of embedded JavaScript, though not fully analyzed, suggests potential for further malicious actions like downloading a second-stage payload.

Machine Learning

  • Nyx PDF Classifier clean score 0.0718

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.
  • Remote-support tool lure high SE_REMOTE_SUPPORT_LURE
    Document instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
  • 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/minecraft-on-computer-free-game-hack PDF link annotation
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00002e95.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2E95 24956 bytes
SHA-256: 0d255963fa7fb620149340c27519e379ca052bab5813cf76fee0a5065a65e2f6
font_01_sfnt_off000066bd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x66BD 18284 bytes
SHA-256: ce17ca81234478eae2e4d5d82743db6ecf39d6315d037818deed1e54c2e5b17b

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