Malicious PDF — malware analysis report

Static analysis result for SHA-256 14621810814fbb4a…

MALICIOUS

PDF

37.6 KB Created: 2021-05-15 13:02:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: b86c9944e3dc07c190bcc49d8d8a3f2d SHA-1: 938ff5f0be94ce0814b9b683c305503d34e07b87 SHA-256: 14621810814fbb4a793157a47eacbc0bbf4420853bdc55cc0e4e768997346b3a
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links that redirect to a website offering 'free generators' and 'game hacks', specifically mentioning Roblox. This is a common lure to entice users into clicking malicious URLs. The document body contains text and a URL that reinforce this lure, and the embedded URL points to known malicious infrastructure.

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/roblox-hack-download-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_off00003262.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3262 27164 bytes
SHA-256: 8ef66c964969a863e93e558aba80f714256d518edf839b4abdb5450e9a9f5fd7
font_01_sfnt_off00007045.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7045 18688 bytes
SHA-256: 777ecd9bf4cba19c66ac3b03e370a33bd01ed4cf882c145341853d771ac6f80e

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