Malicious PDF — malware analysis report

Static analysis result for SHA-256 9c97e7d1d803dbca…

MALICIOUS

PDF

35.1 KB Created: 2021-07-04 05:32:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 55772a077c62bab87b208a763e4fc0b5 SHA-1: 89377fcdcb354c10fabd4020d0743bade2993b7e SHA-256: 9c97e7d1d803dbca9446ffa413d3a4cd632f6fe2465eae4f134947a42a62ec4d
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links that redirect to a known malicious infrastructure, specifically advertising a 'free generator / game hack' for Minecraft. The presence of these links and the ML classifier's high confidence score indicate a malicious intent to lure users to potentially harmful content. No scripts were extracted, but the embedded links are the primary indicators of compromise.

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/479516143/minecraft-java-edition-free-trial-game-hack In PDF document text
    • https://ibelive.com.tw/image/data/files/minecraft-pocket-edition-free-ios_GM479516143.pdfIn PDF document text
    • https://ibelive.com.tw/image/data/files/coin-master-hack-apk-april-12-2021_GM406889139.pdfIn PDF document text
    • https://ibelive.com.tw/image/data/files/minecraft-hack-client-download_GM479516143.pdfIn PDF document text
    • https://ibelive.com.tw/image/data/files/free-minecraft-gift-card_GM479516143.pdfIn PDF document text
    • https://ibelive.com.tw/image/data/files/free-robux-generator-com-roblox-hack_GM431946152.pdfIn PDF document text
    • https://ibelive.com.tw/image/data/files/coin-master-free-spins-for-today_GM406889139.pdfIn PDF document text
    • https://ibelive.com.tw/image/data/files/hack-skin-roblox_GM431946152.pdfIn PDF document text
    • https://ibelive.com.tw/image/data/files/master-free-spin-and-coin-link_GM406889139.pdfIn PDF document text
    • https://ibelive.com.tw/image/data/files/free-roebucks_GM431946152.pdfIn PDF document text
    • https://ibelive.com.tw/image/data/files/project-alpha-200-roblox-hack_GM431946152.pdfIn PDF document text
    • https://ibelive.com.tw/image/data/files/how-to-get-free-robux-landonrb_GM431946152.pdfIn PDF document text
    • https://ibelive.com.tw/image/data/files/toolbox-for-minecraft-pe-ios_GM479516143.pdfIn PDF document text
    • https://ibelive.com.tw/image/data/files/how-to-hack-an-roblox-account-2021-november_GM431946152.pdfIn PDF document text
    • https://ibelive.com.tw/image/data/files/google-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://ibelive.com.tw/image/data/files/free-tiktok-accounts-with-followers_GM835599320.pdfIn PDF document text
    • https://ibelive.com.tw/image/data/files/coin-master-free-daily-spins_GM406889139.pdfIn PDF document text
    • https://ibelive.com.tw/image/data/files/mcpe-master-hack-unlimited-coins-latest-version_GM406889139.pdfIn PDF document text
    • https://ibelive.com.tw/image/data/files/free-robux-without-verify_GM431946152.pdfIn PDF document text
    • https://ibelive.com.tw/image/data/files/archery-master-3d-unlimited-coins-hack_GM406889139.pdfIn PDF document text
    • https://ibelive.com.tw/image/data/files/how-to-hack-a-minecraft-server_GM479516143.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_off000033f0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x33F0 22684 bytes
SHA-256: b0ae9e88a33b07f30fe623d1fdeb33d5f9cf8f17f950c238984951aa4d966eec
font_01_sfnt_off0000660c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x660C 18524 bytes
SHA-256: d4a994fd7502902f1ccb0c5c51989318f5cd97a3a708631542142bcef13529e5

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