Malicious PDF — malware analysis report

Static analysis result for SHA-256 360a53cf6348ccfc…

MALICIOUS

PDF

33.8 KB Created: 2021-07-05 12:35:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: a2a82d0dfff6c7a35c8a6f862d08ebf3 SHA-1: 6aa70360be291e36905caa6c975756f6561540fb SHA-256: 360a53cf6348ccfca66cb701d54e5ac64273ca7cde6e7cecadb89a6d40e58634
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a critical heuristic firing for a malicious redirector link, specifically advertising a 'free generator / game hack'. The document body also contains the same URL, reinforcing the lure. This indicates the primary purpose is to redirect users to potentially harmful content, likely a phishing or malware distribution site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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/835599320/free-tiktok-likes-game-hack In PDF document text
    • https://library.sttbandung.ac.id/repository/do-you-get-windows-10-minecraft-for-free-with-java_GM479516143.pdfIn PDF document text
    • https://library.sttbandung.ac.id/repository/80-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://library.sttbandung.ac.id/repository/how-to-get-free-robux-easy-2021_GM431946152.pdfIn PDF document text
    • https://library.sttbandung.ac.id/repository/how-do-you-do-the-sex-hack-on-roblox_GM431946152.pdfIn PDF document text
    • https://library.sttbandung.ac.id/repository/coin-master-hack-ios_GM406889139.pdfIn PDF document text
    • https://library.sttbandung.ac.id/repository/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • https://library.sttbandung.ac.id/repository/make-free-robux_GM431946152.pdfIn PDF document text
    • https://library.sttbandung.ac.id/repository/coin-master-free-spins-no-verification_GM406889139.pdfIn PDF document text
    • https://library.sttbandung.ac.id/repository/roblox-hacked-version-download_GM431946152.pdfIn PDF document text
    • https://library.sttbandung.ac.id/repository/free-spins-and-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://library.sttbandung.ac.id/repository/free-robux-generator-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • https://library.sttbandung.ac.id/repository/best-sites-for-free-robux_GM431946152.pdfIn PDF document text
    • https://library.sttbandung.ac.id/repository/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://library.sttbandung.ac.id/repository/coin-master-hack-lost-world-2021_GM406889139.pdfIn PDF document text
    • https://library.sttbandung.ac.id/repository/coin-master-fun-hack_GM406889139.pdfIn PDF document text
    • https://library.sttbandung.ac.id/repository/roblox-robux-hack_GM431946152.pdfIn PDF document text
    • https://library.sttbandung.ac.id/repository/roblox-hack-extreme-nijecotr_GM431946152.pdfIn PDF document text
    • https://library.sttbandung.ac.id/repository/how-to-get-free-robux-by-playing-games_GM431946152.pdfIn PDF document text
    • https://library.sttbandung.ac.id/repository/coin-master-free-spin-ml_GM406889139.pdfIn PDF document text
    • https://library.sttbandung.ac.id/repository/free-roblox-templates_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
font_00_sfnt_off000031bb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x31BB 22064 bytes
SHA-256: 87f761e5f300b5feb626aaa2d059c43e54174dd8b0660936101e46c0c0c961e9
font_01_sfnt_off00006274.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6274 17972 bytes
SHA-256: 283ebcfd12b67b7bd682b0c5d47b667ee3bfb492ef607fea700d9ef700d73bd7

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