Malicious PDF — malware analysis report

Static analysis result for SHA-256 009138544b9acf87…

MALICIOUS

PDF

39.4 KB Created: 2021-05-10 14:24:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-07
MD5: d508cb142650462510e9f49613a4a38b SHA-1: 917d08e5eafafeaa69b9012869e16cc66d07494c SHA-256: 009138544b9acf878ac6681bf860bd443e4a2452cf58afe8abe3cde07218a3ce
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links that redirect to a URL associated with game hacks and generators, specifically mentioning Minecraft. The document body also contains a call to action to access a 'Minecraft Generator'. This indicates a social engineering lure to trick users into visiting a potentially malicious site. While no scripts were directly extracted, the PDF structure and embedded URIs strongly suggest a phishing or scam attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9408

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/minecraft-handbook-game-hack PDF link annotation
    • https://www.gymun.cz/images/coin-master-hack-xyz_GM406889139.pdfIn PDF document text
    • https://www.gymun.cz/images/free-800-robux_GM431946152.pdfIn PDF document text
    • https://www.gymun.cz/images/coin-master-hack-2021-app-download_GM406889139.pdfIn PDF document text
    • https://www.gymun.cz/images/coin-master-70-spin-link-today_GM406889139.pdfIn PDF document text
    • https://www.gymun.cz/images/get-free-spins-coin-master-link_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_off00003af1.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3AF1 30592 bytes
SHA-256: b8c9620f0dd3f4eb545d8d9dfd433e96c50b6453e88001f75db67c6617acc463
font_01_sfnt_off000078bc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x78BC 18212 bytes
SHA-256: 1a627f895fd71f0db6204a4e6c898bcc91a8697ac5cc959001a8208a768574ba

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