PDF static analysis report

Static analysis result for SHA-256 9be5958016b8405c…

SUSPICIOUS

PDF

28.0 KB Created: 2021-07-20 16:30:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: b80636b0fb0d90d21f5b7c67461c20fd SHA-1: 67387a0276ce091106ca3309f3da40f40afee2ee SHA-256: 9be5958016b8405c29967eeee1aca81e25fff4d95c470ceda84563e1c4ce4d06
52 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a heuristic firing for a 'free generator / game hack' lure, directing users to a suspicious URL. This indicates a social engineering tactic to entice users into downloading or accessing potentially malicious content. The embedded URL is the primary indicator of compromise, likely leading to a second-stage payload.

Machine Learning

  • Nyx PDF Classifier clean score 0.0329

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 http://netcdn.tw/app/479516143/minecraft-java-edition-free-game-hack PDF link annotation
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001d49.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1D49 21412 bytes
SHA-256: 46ccc9828f1b28729a69e4e7684b0a769ac2505c152ea23b15ff0bc9b5774f5d
font_01_sfnt_off00004c03.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4C03 18164 bytes
SHA-256: e28d0ded599416f75746d42b4ddd49ac4ed584cd54835945167b34c6d366202b

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