Malicious PDF — malware analysis report

Static analysis result for SHA-256 da04d821ee701192…

MALICIOUS

PDF

40.5 KB Created: 2021-05-22 00:19:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: f10395e3082ce2fa7d8559208fda72d6 SHA-1: 200c2a2099cd37fa878811c9db122c9416172007 SHA-256: da04d821ee70119208c5346dd0bc260b885e407414befc47802d25121c1bf373
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 'free Robux' or game hacks. The document body also contains a call to action to 'CLICK HERE TO ACCESS ROBLOX GENERATOR'. These elements strongly suggest a phishing or scam attempt designed to lure users to malicious websites. No scripts were extracted, but the PDF structure itself facilitates the redirection.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7718

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/blox-fish-free-robux-game-hack In PDF document text
    • http://forsan.edu.eg/images/robux-best_GM431946152.pdfIn PDF document text
    • http://forsan.edu.eg/images/free-robux-websites-that-work_GM431946152.pdfIn PDF document text
    • http://forsan.edu.eg/images/free-followers-for-tiktok_GM835599320.pdfIn PDF document text
    • http://forsan.edu.eg/images/roblox-toy-codes-free_GM431946152.pdfIn PDF document text
    • http://forsan.edu.eg/images/free-domain-for-minecraft-server_GM479516143.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
stream_002_off000034e0.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x34E0 26384 bytes
SHA-256: f25b9f57ab563fef948836c64b0e34282ee71e8738f2b1f0de6250d3e10fa320
font_01_sfnt_off0000729c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x729C 2940 bytes
SHA-256: eb230542719c96b42e3fd8bb01e35f13ebd5f02629049da3a58e7fd7607bf48a
font_02_sfnt_off00007cab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7CAB 18376 bytes
SHA-256: 833bfe47d36e77ffff594e1188eeee77c72f4d78f65cd820fb361f10e8c51563