Malicious PDF — malware analysis report

Static analysis result for SHA-256 96fe10445585f8c6…

MALICIOUS

PDF

36.9 KB Created: 2021-05-12 05:08:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 9fba8a4979e56ea103ae45af91821975 SHA-1: db2397f20f6f5a1621bf0778c698434230b0c20d SHA-256: 96fe10445585f8c6fc468e431b6dab44dc8f313fa4d1145e7ac68cd49e4d33b0
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a lure for a 'free generator / game hack' which redirects to known malicious infrastructure. The embedded URL points to a site that is likely part of a scam or phishing operation. No scripts were extracted, but the PDF structure and heuristics indicate a redirection-based attack.

Machine Learning

  • Nyx PDF Classifier clean score 0.0334

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/easy-robux-generator-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
stream_003_off00003402.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3402 25324 bytes
SHA-256: 0c89f8ea7a926394d343efae8b11bb277572fa094483cd9d0d5215f80071e6e0
font_01_sfnt_off00006e41.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E41 18360 bytes
SHA-256: 31f26fbfc7f81002b444b70a1657336c723b940a34509e70260c3e3e292c9165

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