Malicious PDF — malware analysis report

Static analysis result for SHA-256 0fd82d0a1bb6263b…

MALICIOUS

PDF

39.1 KB Created: 2021-05-19 04:30:44 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 0759dbe5ea9fa928a2940c03b5e1d42a SHA-1: 8fa6fe1140270652243e870f9bb33cfaea839dff SHA-256: 0fd82d0a1bb6263b90ac275b63261fc72d8461efd822a2cfad99dec7da1a2a57
130 Risk Score

Malware Insights

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

The PDF file contains embedded links that redirect to known malicious infrastructure, specifically advertising a 'Microsoft Free Robux Game Hack'. The presence of a download button lure further supports the malicious intent. The document body and heuristics indicate a phishing attempt designed to trick users into visiting a malicious site, likely to download further malware or engage in credential harvesting.

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/microsoft-free-robux-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
font_00_sfnt_off00003149.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3149 24664 bytes
SHA-256: 9853f5066a0194ffd8f6957617b1468d1bf37f9af5d86d598432bd22b47a1b4b
font_01_sfnt_off00006a43.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6A43 5596 bytes
SHA-256: 9a13c2580265a78e8a7257496a31ee0055738af7e20a5661c2902efe4bf05ce5
font_02_sfnt_off000076ea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x76EA 18436 bytes
SHA-256: fc8058b2753a804d67589ad9e7736472a77fa92b8b7356ad3bc1ab00ed4087a5

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