Malicious PDF — malware analysis report

Static analysis result for SHA-256 3e09a6efe6ff3940…

MALICIOUS

PDF

38.9 KB Created: 2021-05-20 17:01:18 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 9931152cdb6a0d04b6e799ecc72c7b16 SHA-1: 24e8c95f2af2bf0fa91cd34906a0f0a0e0a343e7 SHA-256: 3e09a6efe6ff3940b7e84f0592c6705da0a8bca9c614e4c80cebb08114607761
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirector infrastructure, specifically advertising 'free generator / game hack' lures. The document body and embedded URLs reinforce this theme, aiming to trick users into clicking through to potentially harmful sites. While no scripts were explicitly extracted, the PDF structure and heuristic firings strongly indicate a malicious redirector pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8060

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/406889139/100-free-spins-coin-master-game-hack In PDF document text
    • http://www.exikom.com.ua/images/roblox-prison-life-hack_GM431946152.pdfIn PDF document text
    • http://www.exikom.com.ua/images/minecraft-apk-114_GM479516143.pdfIn PDF document text
    • http://www.exikom.com.ua/images/minecraft-hack-mod_GM479516143.pdfIn PDF document text
    • http://www.exikom.com.ua/images/free-spin-coin-master-app-download_GM406889139.pdfIn PDF document text
    • http://www.exikom.com.ua/images/roblox-promo-codes-2021-robux_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
stream_002_off000033c9.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x33C9 25088 bytes
SHA-256: 7f536c5e1d6f7f0f9131f14ec60639c2c2e64604c8509521ad39ac0919089aa4
font_01_sfnt_off00006d6b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D6B 2820 bytes
SHA-256: 96a70491b0783ad8c6fc9b11a18f021aa22c69ac41ee4499b781d16a1b99b689
font_02_sfnt_off0000770b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x770B 18164 bytes
SHA-256: 9bc61af2acbda784231945e40c4a4bb5d6810b0d04641be6b37b2cdd3c5b78bc

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