Malicious PDF — malware analysis report

Static analysis result for SHA-256 5f93d2da5a03c22f…

MALICIOUS

PDF

40.8 KB Created: 2021-05-10 16:13:39 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 0dfa1d8f6076db42f715ec921ec1088e SHA-1: 6a840afeea356430404978ed49eda384ae9558b4 SHA-256: 5f93d2da5a03c22fb41200e8553b3e96ed5ca5cd16d9eb9e15880f432cf53e15
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded links that redirect to external websites, identified as malicious redirectors. The document body and heuristics suggest a lure related to 'game hacks' and 'free servers', aiming to trick users into clicking these links. The presence of multiple redirector links indicates a strong intent to lead the user to a malicious destination.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8966

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-games-with-free-vip-servers-game-hack In PDF document text
    • http://roxe2banh.com/public/upload/files/20210-free-spin-links-for-coin-master_GM406889139.pdfIn PDF document text
    • http://roxe2banh.com/public/upload/files/how-to-get-robux-fast_GM431946152.pdfIn PDF document text
    • http://roxe2banh.com/public/upload/files/coin-master-latest-mod-apk-free-download_GM406889139.pdfIn PDF document text
    • http://roxe2banh.com/public/upload/files/how-do-u-hack-roblox_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_off00003634.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3634 24192 bytes
SHA-256: 0aa6e9b1d6b264621c99dd8c7c2988a376178abef9fa6afd3f8c1945192641c9
font_01_sfnt_off00006d48.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D48 3992 bytes
SHA-256: 43e72e756231cfd354bd65c2ed3b09ad4eff56ad11e7f155ed2920e6bb7860dd
font_02_sfnt_off00007a6f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A6F 19448 bytes
SHA-256: 7f710df973ea6b199c1d8a9eebfc78f33dea52488aae7810c2817cc78585c0c8

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