Malicious PDF — malware analysis report

Static analysis result for SHA-256 e30d8a95334e3694…

MALICIOUS

PDF

35.9 KB Created: 2021-05-15 05:19:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 006a4f7b9f307c56b398bbe4c444cadf SHA-1: 2461ecb0382ab8adc9f4ada736c1fa5f6039425d SHA-256: e30d8a95334e369464828c9b5bcaee94948c824339e72979dc718ed2aec10ceb
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for a 'free generator / game hack' that redirects to malicious infrastructure. The embedded URL https://netcdn.xyz/app/406889139/coin-master-heaven-free-spins-game-hack is identified as a malicious redirector. While no scripts were explicitly extracted, the PDF structure and heuristic firings suggest an attempt to trick the user into navigating to a malicious site, likely as part of a phishing or scam campaign.

Machine Learning

  • Nyx PDF Classifier clean score 0.0265

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/406889139/coin-master-heaven-free-spins-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_off00003262.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3262 24764 bytes
SHA-256: 32d66fa9bf1574935382c9b87dd73671ff9a51d32f778953ae3e8b24e240fef1
font_01_sfnt_off00006ba9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6BA9 18000 bytes
SHA-256: 6cee86ead4aeee921a3b6e14ddf6eb594f4a141ca364aa42231f8e25adb97f4a

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