Malicious PDF — malware analysis report

Static analysis result for SHA-256 87b18adaae689192…

MALICIOUS

PDF

34.5 KB Created: 2021-05-22 06:39:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 742c6948d835c0414a4e910690cea320 SHA-1: 08277b6b248adb8216053f2a3984cd11f89f2a5c SHA-256: 87b18adaae689192cbeadb355400b39bb36ba06ae03eeb4f21ebf6da55913bc7
130 Risk Score

Malware Insights

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

The PDF document uses a lure related to 'Free Minecraft Codes' and a clear call-to-action to download a generator. It contains embedded links pointing to a known malicious redirector infrastructure, specifically 'https://netcdn.xyz/app/479516143/free-minecraft-codes-game-hack'. This suggests the document is designed to trick users into visiting a malicious site, likely to download malware or exploit vulnerabilities.

Machine Learning

  • Nyx PDF Classifier clean score 0.0718

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-codes-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_002_off00002fdb.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2FDB 24328 bytes
SHA-256: d574382b9e76679b116e62eae7676c8bcb5b41375ac21f5066b1e829ffe00fa2
font_01_sfnt_off000066da.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x66DA 17884 bytes
SHA-256: ca0982e5699fcbbad1c272e9f6df792bd17b0fef580afa6f1747d77cedc77eee

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