Malicious PDF — malware analysis report

Static analysis result for SHA-256 2cefa5c16d198dbd…

MALICIOUS

PDF

36.3 KB Created: 2021-05-10 15:02:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: b13c8873f3d44b70e65a3f0a3f4f5c06 SHA-1: 8266007c21a0c132ddc8ff0754d06cb82435703e SHA-256: 2cefa5c16d198dbdd6bc4d7510bb1da6edf870cb787cd2efd44695ed7f1b89f6
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links that redirect to a known malicious domain, masquerading as a 'free generator / game hack'. The document body also contains a prominent 'CLICK HERE TO ACCESS MINECRAFT GENERATOR' call to action, reinforcing the lure. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest a social engineering attack aimed at driving traffic to malicious infrastructure.

Machine Learning

  • Nyx PDF Classifier clean score 0.0303

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/free-minecraft-packs-game-hack In 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_off000034a3.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x34A3 24940 bytes
SHA-256: f07c7163c24310327fe4e4a435cf48fae182400fad0484752914f383c6b65353
font_01_sfnt_off00006dc7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DC7 17892 bytes
SHA-256: 25239530904106c80f39e3701b03422c9327d7e820d7c0c2c5fcca61992c3eb7

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