Malicious PDF — malware analysis report

Static analysis result for SHA-256 a5534d32007c8589…

MALICIOUS

PDF

36.8 KB Created: 2021-05-12 02:31:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 66b4535e14506044143e61e5781bc6a1 SHA-1: 2b5963f69d0d091a7debbbcc60a72774a22c6dc4 SHA-256: a5534d32007c85898ac1ea0df9562d5a330e7ae3927dfc6edfcc2db86a845f7c
130 Risk Score

Malware Insights

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

The PDF document contains a critical heuristic firing for a game hack lure, directing users to a malicious URL. The document body, though partially garbled, contains text related to 'Minecraft Java Account Free' and a call to action to 'CLICK HERE TO ACCESS MINECRAFT GENERATOR', reinforcing the lure. The embedded URL is identified as a malicious redirector, likely serving as a gateway to further malicious content or exploits.

Machine Learning

  • Nyx PDF Classifier clean score 0.0334

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/minecraft-java-account-free-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_off000033f7.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x33F7 25932 bytes
SHA-256: a879aac1f96706883d4bd873f31e2d38234968547ff7c186d62d9c3cc379b4e8
font_01_sfnt_off00006f3c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F3C 18128 bytes
SHA-256: 91c13f1291a2ca04d91179ef061400a9e1d7bdcd902d3a6c12d687c4cb44bfbf

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