Malicious PDF — malware analysis report

Static analysis result for SHA-256 5baa3bd15a3da182…

MALICIOUS

PDF

38.2 KB Created: 2021-06-07 03:34:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: df35eaddcb81dd69ec26279312ecd237 SHA-1: e80dc8c7a15a4a61e5f4f7187d6191b48520b4b6 SHA-256: 5baa3bd15a3da1829ab9e5b5b656aac06bd353e8d48adff226a67592f98096d7
130 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a game hack lure, linking to known malicious redirector infrastructure. The document body and embedded artifacts suggest a lure for a 'Roblox Murder Mystery 2' game hack, which is a common pretext for phishing or malware delivery. The embedded URL is the primary indicator of malicious intent, likely leading to a second-stage payload or phishing page.

Machine Learning

  • Nyx PDF Classifier clean score 0.0292

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.tw/app/431946152/aimbot-hack-roblox-murder-mystery-2-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_off000038f5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x38F5 24152 bytes
SHA-256: 0419bae2055744d5cc0560d4854ff97287cfab9bf3656ec247b945580f4c5ce8
font_01_sfnt_off00007015.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7015 19480 bytes
SHA-256: c79de5f7b9d233fda878b2adeb09784efec2c1a018947c689efc40525fb042ef

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