Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ea8665d53b4d4c3…

MALICIOUS

PDF

33.3 KB Created: 2021-07-22 08:43:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 6d220f6da35613ffd54b0d108da92570 SHA-1: e1b355c7960b8962b537b2a7dc3ee92e0405da8b SHA-256: 2ea8665d53b4d4c3e6f5e29955341da777889e4536dcb224b813c8e7d929ee58
160 Risk Score

Malware Insights

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

The PDF document contains multiple embedded links that redirect to known malicious infrastructure, specifically a 'free Robux Codes Generator' lure. The document body and heuristics indicate a clear intent to trick users into clicking these links, which likely leads to further malicious content or exploits. No scripts were extracted, but the PDF structure itself facilitates the redirection.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9942

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 http://netcdn.tw/app/431946152/free-robux-codes-generator-game-hack In PDF document text
    • http://shapemybrows.id/images/minecraft-pe-free-download_GM479516143.pdfIn PDF document text
    • http://shapemybrows.id/images/how-to-get-free-robux-without-verifying-2021_GM431946152.pdfIn PDF document text
    • http://shapemybrows.id/images/minecraft-free-online-games_GM479516143.pdfIn PDF document text
    • http://shapemybrows.id/images/minecraft-skins-free-girl_GM479516143.pdfIn PDF document text
    • http://shapemybrows.id/images/create-minecraft-server-free_GM479516143.pdfIn PDF document text
    • http://shapemybrows.id/images/how-to-get-verified-on-tiktok-for-free-2021_GM835599320.pdfIn PDF document text
    • http://shapemybrows.id/images/how-do-u-get-free-robux_GM431946152.pdfIn PDF document text
    • http://shapemybrows.id/images/minecraft-pe-free-ios_GM479516143.pdfIn PDF document text
    • http://shapemybrows.id/images/free-tiktok-likes-no-human-verification-or-downloading-apps_GM835599320.pdfIn PDF document text
    • http://shapemybrows.id/images/haktuts-coin-master-free-spins_GM406889139.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_off00002eac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2EAC 21936 bytes
SHA-256: d40d069a01018de476420201cec7459d7da9410ff22c8f8d91dbbc643e1d7736
font_01_sfnt_off00005ecd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5ECD 18704 bytes
SHA-256: 7cedffd4078b81daa363670fa887c3ed75a5be4e37f91b6b74bdf33c285228bf

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