Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6696d77046f478e…

MALICIOUS

PDF

38.8 KB Created: 2021-05-20 23:39:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 3ac2ce7584edb5a3e5552a1677f0e895 SHA-1: d284d2c005ae95389479ef2e68678faaf14f5113 SHA-256: e6696d77046f478e8a6daa0dfc1e445ab7853b8ace2ac9de8e89c11dfb1f2f94
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors and lures users with promises of free Robux or game hacks. The document body and heuristics indicate a clear intent to redirect users to potentially harmful websites. While no scripts were explicitly extracted, the PDF structure and embedded links strongly suggest a phishing or scamming attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8060

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/free-robux-safe-game-hack In PDF document text
    • http://legs11.co.za/images/how-do-you-get-free-roblox-money_GM431946152.pdfIn PDF document text
    • http://legs11.co.za/images/haktuts-coin-master-free-spin-today_GM406889139.pdfIn PDF document text
    • http://legs11.co.za/images/coin-master-hack-version-2021_GM406889139.pdfIn PDF document text
    • http://legs11.co.za/images/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • http://legs11.co.za/images/how-to-add-mods-to-minecraft-pe_GM479516143.pdfIn PDF document text
    • https://www.roblox.comIn 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_002_off0000317f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x317F 24508 bytes
SHA-256: 7d5487271cfd2ac1bea67eb22f84ba7ff875faedec7544b89a66c5578f57eae7
font_01_sfnt_off000069a7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x69A7 3884 bytes
SHA-256: 40b61f8938bd710dc29dc58ba3fde91c245a6a69596ec569b4d27c769ca417cf
font_02_sfnt_off0000764f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x764F 18244 bytes
SHA-256: 393a0339ec2761f14ea9b29efa8c9c5fc9788b4979bd41a030a3ecef46023b5f

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