Malicious PDF — malware analysis report

Static analysis result for SHA-256 e988285591117812…

MALICIOUS

PDF

40.0 KB Created: 2021-05-11 22:15:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: a80a57a1e14b6aa013c1fa97cf800de0 SHA-1: cff6c27056d36e0d4fc45618d011de6df89d5e54 SHA-256: e9882855911178123f72204b05672d1533fda3909af6dca7f1cf6409cb2e2c77
130 Risk Score

Malware Insights

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

The PDF file contains heuristics indicating it's a lure for game hacks and redirects users to a known malicious infrastructure. The embedded URL, https://netcdn.xyz/app/479516143/minecraft-survival-hacks-game-hack, is flagged as malicious. While no scripts were explicitly extracted, the nature of PDF lures often involves exploiting vulnerabilities or embedding malicious JavaScript to achieve its objective, hence the inclusion of T1059.007 and T1203.

Machine Learning

  • Nyx PDF Classifier clean score 0.0128

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-survival-hacks-game-hack In PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00003287.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3287 31376 bytes
SHA-256: e21087c10f7b032a3ecbcfecbff9591cdc0dbac3cf6a55d9b13d747d74cd7644
font_01_sfnt_off0000720d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x720D 2820 bytes
SHA-256: 96a70491b0783ad8c6fc9b11a18f021aa22c69ac41ee4499b781d16a1b99b689
font_02_sfnt_off00007bae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7BAE 18064 bytes
SHA-256: b356890df1a237005749e25630c39dae3f7a9062fb148157208e134e16779e55

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