Malicious PDF — malware analysis report

Static analysis result for SHA-256 59f32a3170a8cb6d…

MALICIOUS

PDF

38.4 KB Created: 2021-05-21 14:03:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 7560c96daef02ace0f684952d24ca55a SHA-1: a02bae5a93b68673f34b2e929de7e8ddd479dd22 SHA-256: 59f32a3170a8cb6d34ef74636f2615a8466393eff80f48a85d820aa0f02dde1d
160 Risk Score

Malware Insights

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

The PDF file contains multiple links to known malicious redirectors, disguised as 'free generators' or 'game hacks'. The ML classifier also flagged this PDF as malicious. The embedded links likely lead to further stages of infection, potentially exploiting vulnerabilities or delivering additional malware. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9407

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/479516143/free-minecraft-pe-server-game-hack In PDF document text
    • http://baroque1990.com/images/play-coin-master-for-free_GM406889139.pdfIn PDF document text
    • http://baroque1990.com/images/free-coin-master-spin-daily-link_GM406889139.pdfIn PDF document text
    • http://baroque1990.com/images/coin-hackhub-coin-master_GM406889139.pdfIn PDF document text
    • http://baroque1990.com/images/coin-master-hack-activegamer_GM406889139.pdfIn PDF document text
    • http://baroque1990.com/images/how-to-hack-to-get-robux_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
font_00_sfnt_off000034b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x34B6 32364 bytes
SHA-256: 188900d02488f05b9dc7de1edcb4a89e432e1c96c8304c2aa8fe256255019586
font_01_sfnt_off00007644.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7644 17836 bytes
SHA-256: 40ba9e4e6a96b9fbdb66fe1c3cdc29181d81f4b56a4eeac74a5dcf6bc0460396

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