Malicious PDF — malware analysis report

Static analysis result for SHA-256 9239a6d7b180db1f…

MALICIOUS

PDF

35.1 KB Created: 2021-05-24 20:07:22 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 7f6cf841025df3d46ba900a3e8e4e37f SHA-1: e20a29d3ad4b2c8a8edd1745dc650366276eb9a7 SHA-256: 9239a6d7b180db1f095c1a58cab81d553147ea0bcd2fbd699805af7eacb337e2
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to redirector domains, specifically advertising 'game hacks' and generators, which is a common lure for phishing or malware distribution. The document body explicitly contains the URL 'https://netcdn.xyz/app/479516143/how-to-get-minecraft-for-free-on-android-game-hack' and other similar URLs, indicating a clear attempt to redirect the user to potentially malicious content. The ML classifier also flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9508

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/how-to-get-minecraft-for-free-on-android-game-hack In PDF document text
    • http://indotec.fr/images/hack-coin-master-for-iphone_GM406889139.pdfIn PDF document text
    • http://indotec.fr/images/how-to-get-free-robux-hack_GM431946152.pdfIn PDF document text
    • http://indotec.fr/images/minecraft-login-free_GM479516143.pdfIn PDF document text
    • http://indotec.fr/images/minecraft-hacks-list_GM479516143.pdfIn PDF document text
    • http://indotec.fr/images/free-minecraft-servers-to-join_GM479516143.pdfIn 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_off00003121.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3121 24216 bytes
SHA-256: 6a5674faf816772bb291bae6064692a478712e8dc1e921d0134c892b5eac4a84
font_01_sfnt_off0000686d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x686D 18048 bytes
SHA-256: 8059851acc98585c267d1a0730441da2490f7a27bb6efaac05b05bf58a4bb166

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