Malicious PDF — malware analysis report

Static analysis result for SHA-256 f306844815df9502…

MALICIOUS

PDF

37.3 KB Created: 2021-05-20 19:59:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 336a5adbda918f4441f87d7750e44585 SHA-1: e985faf91c7a17efa2ffe3f0964499478e7284bb SHA-256: f306844815df95026e6802002ad57051e7c452fc97bafecd3ee814c176a012d9
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF contains multiple links to known malicious redirectors and lures for game hacks, indicating a phishing or scam attempt. The document body includes a call to action to 'CLICK HERE TO ACCESS MINECRAFT GENERATOR', further supporting the lure. The embedded URLs likely lead to further stages of the attack, potentially downloading additional payloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9447

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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/is-minecraft-free-on-switch-game-hack In PDF document text
    • http://easytransferbrazil.com/images/coin-master-free-spin-link-today-2021_GM406889139.pdfIn PDF document text
    • http://easytransferbrazil.com/images/100-free-spins-for-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://easytransferbrazil.com/images/archery-master-3d-unlimited-coins-hack_GM406889139.pdfIn PDF document text
    • http://easytransferbrazil.com/images/free-robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://easytransferbrazil.com/images/coin-master-free-spins-link-blogspot-2021_GM406889139.pdfIn PDF document text
    • https://education.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_002_off000036aa.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x36AA 25576 bytes
SHA-256: eb554cd919bc4be9de06b77936406f60678f80c1927a5c5b073f5da28acd24f1
font_01_sfnt_off0000721a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x721A 17896 bytes
SHA-256: da2ff63c2c6efe847bf2f560eba074f8e9a052981825778b960d82d1bfcd49f3

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