Malicious PDF — malware analysis report

Static analysis result for SHA-256 e06913a22ea7e9a0…

MALICIOUS

PDF

39.6 KB Created: 2021-05-20 13:30:18 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: f903545f6b3533a90ef4916c193a5f50 SHA-1: 53ac1fc3cf2715bbf69cf7c686cd38ca6701ef39 SHA-256: e06913a22ea7e9a01988bb2bcc97a460665780a79478e046b79de655004b9ce2
160 Risk Score

Malware Insights

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

The PDF contains multiple links to known malicious redirectors, specifically advertising a 'free generator / game hack' for Roblox. The document body also contains a call to action to access a Roblox generator. The presence of embedded URLs and the lure suggest an attempt to redirect the user to a malicious site, likely to download further malware or engage in phishing. No scripts were extracted, but the overall pattern is consistent with a malicious document used for initial access.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7255

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-install-free-game-hack In PDF document text
    • https://rentalalatberatjogja.com/ckfinder/userfiles/files/can-you-give-me-free-robux_GM431946152.pdfIn PDF document text
    • https://rentalalatberatjogja.com/ckfinder/userfiles/files/how-to-get-robux-for-free-2021_GM431946152.pdfIn 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_off00002c40.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2C40 28460 bytes
SHA-256: f4e75baa7253d61c939360d25b49e0147542c90d956244a0012eaff6f462f060
font_01_sfnt_off00006c56.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C56 5696 bytes
SHA-256: 450e3ee45915afe13702bf1d587eb8b9ad88a8d2113419ac9f2fd116a828e139
font_02_sfnt_off00007968.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7968 18280 bytes
SHA-256: 3c3a3b9ea50be1288d4e90d28d6823d5d0e7fce454efe1523ba787caa6fa0fc3