Malicious PDF — malware analysis report

Static analysis result for SHA-256 bae486121d23d78d…

MALICIOUS

PDF

35.2 KB Created: 2021-05-12 16:05:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: fc9daf08355a1843b1246d4a5f2b32fd SHA-1: 7b92f7e4d317b25cd4f94dbb41f8253af2c56ea6 SHA-256: bae486121d23d78dfb13877a9db9a5f5b9ad23d9bfbbdb635692630ee3760375
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a critical heuristic firing for a game hack redirect lure, pointing to malicious infrastructure. The document body, though heavily obfuscated, contains text related to 'free Robux' and a 'CLICK HERE TO ACCESS ROBLOX GENERATOR' call to action, reinforcing the lure. The embedded URL is known malicious redirector infrastructure.

Machine Learning

  • Nyx PDF Classifier clean score 0.0306

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/sites-to-get-free-robux-game-hack In 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
font_00_sfnt_off000031d1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x31D1 24192 bytes
SHA-256: b3f828973f738817c5c28b95717e07b8256d8b0919d874dabfc8b551615798b3
font_01_sfnt_off0000682d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x682D 18236 bytes
SHA-256: b3c6e6b81f0aade665b3e9e34fb665158f9d1803db8458128eb468a961d6d74b

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