Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e2d49736d6b8fcc…

MALICIOUS

PDF

37.2 KB Created: 2021-05-21 07:04:01 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 92a7a50bf431448c2deaf5516c7769cc SHA-1: a600b6ded589308c6670b7b4a2a79e769894d8de SHA-256: 0e2d49736d6b8fcc0024b2206150faf251138f1cfb5874dcd6e4e78ee04de3cc
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to redirectors and known malicious infrastructure, disguised as game hacks and free content. The document body and embedded links suggest a lure to download or access further malicious content, likely a second-stage payload. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9447

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/adopt-me-roblox-hacks-game-hack In PDF document text
    • https://www.interfaceventos.com.br/imagens/files/tiktok-where-to-watch-free-movies_GM835599320.pdfIn PDF document text
    • https://www.interfaceventos.com.br/imagens/files/roblox-avatar-maker-free_GM431946152.pdfIn PDF document text
    • https://www.interfaceventos.com.br/imagens/files/free-robux-codes-2021-real_GM431946152.pdfIn PDF document text
    • https://www.interfaceventos.com.br/imagens/files/can-i-get-robux-for-free_GM431946152.pdfIn PDF document text
    • https://www.interfaceventos.com.br/imagens/files/free-robux-websites-that-actually-work_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
stream_002_off00003364.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3364 25548 bytes
SHA-256: 8a32160eb5a6f02da6ec1af3cace747ca2ad4e38837a8545397fb6c9e4103666
font_01_sfnt_off00006e7b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E7B 18832 bytes
SHA-256: 20cc3fc4f8bba0f9e43a0219006a1a5053a8a449a15fb7b1ac4ebea58af7d5b3

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