Malicious PDF — malware analysis report

Static analysis result for SHA-256 4c5003278deec81f…

MALICIOUS

PDF

38.3 KB Created: 2021-05-21 17:01:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 99a9c53f15dc23567edf6b8bf797f13d SHA-1: 69f0ea8a1d63e235689625f88e2fa466fb3ce1d2 SHA-256: 4c5003278deec81f4d7169695fe947cdeae95806ca2b1e4e3c39829c412a0f32
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a high-severity heuristic indicating it links to a 'free generator / game hack' redirector, which is a common lure for malicious sites. The document body explicitly contains the phrase 'CLICK HERE TO ACCESS MINECRAFT GENERATOR' and points to the URL https://netcdn.xyz/app/479516143/free-minecraft-maps-game-hack. This suggests the primary goal is to trick users into visiting a potentially malicious external resource.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9407

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/free-minecraft-maps-game-hack PDF link annotation
    • https://www.cosmosdawn.net/images/free-coins-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://www.cosmosdawn.net/images/coin-master-hack-8-ball-pool_GM406889139.pdfIn PDF document text
    • http://cosmosdawn.net/images/free-coins-coin-master-link-today_GM406889139.pdfIn PDF document text
    • http://cosmosdawn.net/images/minecraft-games-online-free-no-download_GM479516143.pdfIn PDF document text
    • https://www.cosmosdawn.net/images/robux-online_GM431946152.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_002_off00003406.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3406 29456 bytes
SHA-256: 857606b89aa2b6850b5e2ad05aefafa01229252a808568a0bede85b001ea28c4
font_01_sfnt_off00007631.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7631 17744 bytes
SHA-256: 642e76b92f67015eb87e7bb2f8978493590a3d76ebc6958dd5b149369a6bd5f2

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