Malicious PDF — malware analysis report

Static analysis result for SHA-256 6ba73c3ee6bb3da2…

MALICIOUS

PDF

39.6 KB Created: 2021-05-12 07:01:45 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 8163444f4651cbd045dbb58ebcc9787a SHA-1: e2d31228f2f959860ec897b05321770bd5365f5c SHA-256: 6ba73c3ee6bb3da25933a79892865d20ac7fa41e8c5a00f65d6ed79e5f91e751
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links that redirect to known malicious infrastructure, specifically a lure for a 'free generator / game hack'. The document body also contains text related to this lure and a call-to-action phrase. While no scripts were extracted, the presence of malicious redirector links strongly suggests an attempt to lead the user to a malicious site, likely for credential harvesting or further malware delivery.

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/431946152/can-you-get-robux-for-free-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_off0000330a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x330A 25744 bytes
SHA-256: 8d2c2728cf6c843435d36b24020e91c7babcd8d161006c0d691da3468278fbdd
font_01_sfnt_off00006e67.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E67 2940 bytes
SHA-256: eb230542719c96b42e3fd8bb01e35f13ebd5f02629049da3a58e7fd7607bf48a
font_02_sfnt_off00007876.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7876 18508 bytes
SHA-256: c061b59ab901ec7c7e5d17bc5fec7ace191fd36e08e64edc0ca642be8bf86a0e

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