Malicious PDF — malware analysis report

Static analysis result for SHA-256 47d46f89b9c84685…

MALICIOUS

PDF

36.3 KB Created: 2021-05-21 13:06:44 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 55b055ea26371c068aa7a7359b5d6b42 SHA-1: 7bba556f02d76ac87e78659e769b6ef8eabffba6 SHA-256: 47d46f89b9c846853f8887ca6da26a44d2ae25d897cb00be31aaa359ca4cf788
160 Risk Score

Malware Insights

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

The PDF contains multiple links to known malicious redirectors, disguised as game hacks and generators. The document body explicitly mentions "Roblox Free Hair Girl" and "CLICK HERE TO ACCESS ROBLOX GENERATOR", indicating a lure for potentially valuable in-game items. The embedded URLs likely lead to further malicious content or phishing pages, and the ML classifier strongly indicated maliciousness.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9492

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/roblox-free-hair-girl-game-hack In PDF document text
    • http://d-cision.nl/images/how-to-get-free-robux-on-computer_GM431946152.pdfIn PDF document text
    • http://d-cision.nl/images/coin-master-mod-apk-latest-hack-with-unlimited-free-spins_GM406889139.pdfIn PDF document text
    • http://d-cision.nl/images/earn-free-robux_GM431946152.pdfIn PDF document text
    • http://d-cision.nl/images/free-roblox-accounts-with-robux-that-work-2021_GM431946152.pdfIn PDF document text
    • http://d-cision.nl/images/minecraft-gun-mod-download-free_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_off0000328f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x328F 25432 bytes
SHA-256: 24e69e804a44b10f83b98859a01868610a1e056caa86c0d83ab7e852dc2fa19a
font_01_sfnt_off00006cc8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6CC8 18296 bytes
SHA-256: 85bf76e8bd1c39b95a864efdae00349d5ffffd2e934a72b3fb989e9d72ccc849

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