Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0e0c8c0effe885d…

MALICIOUS

PDF

37.3 KB Created: 2021-05-21 18:03:18 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: c2f7e1a0b8c838e858346ab54cd9cdf0 SHA-1: beeeea08a8cb71abf474543af87150d3ed74746a SHA-256: f0e0c8c0effe885de6c26fca47555933d04c545480729a2cca25b2bfaf3b0b3e
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, disguised as a lure for game hacks. The document body explicitly contains phrases like 'CLICK HERE TO ACCESS ROBLOX GENERATOR' and embedded URLs that lead to these redirectors. This indicates a phishing or scam attempt designed to lead the user to malicious infrastructure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9447

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-free-roblox-game-hack In PDF document text
    • http://serviio.org/images/how-to-get-free-roblox_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/roblox-speed-hack_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/best-free-minecraft-hacked-client_GM479516143.pdfIn PDF document text
    • http://serviio.org/images/free-roblox-hack_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/ww-roblox-come_GM431946152.pdfIn 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_002_off00003169.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3169 27900 bytes
SHA-256: acfd2112d68e0a11b8ef2345589ee81f04d390c30e6240e453c1c5cfcc26bc5f
font_01_sfnt_off0000718b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x718B 17948 bytes
SHA-256: 33938510eb20d060112d7682b9c88b880e5c2c8c33e748f0e85f3cc6be6c07ce

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