PDF static analysis report

Static analysis result for SHA-256 9f300738d9bc36e7…

SUSPICIOUS

PDF

33.5 KB Created: 2021-07-04 09:47:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 6d75930561ad158f3161b7649d59ae59 SHA-1: de2437d904b27c87e97200a9fe82caf374d6e103 SHA-256: 9f300738d9bc36e7641b24d18c8309454fda011483dda7434739828eab9fc29f
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains an embedded URI pointing to a Minecraft hack application, and the ML classifier flagged it as malicious with high confidence. The document body also includes a call-to-action phrase, suggesting a lure to download potentially harmful software. While no scripts were explicitly extracted, the presence of embedded URLs and the ML detection strongly indicate a malicious intent to trick users into downloading malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 3

  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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-hack-app-game-hack PDF link annotation
    • https://yc-certify.com.tw/image/data/files/rbx-free_GM431946152.pdfIn PDF document text
    • https://yc-certify.com.tw/image/data/files/how-to-hack-someones-roblox-account_GM431946152.pdfIn PDF document text
    • https://yc-certify.com.tw/image/data/files/free-spin-coin-master-instagram_GM406889139.pdfIn PDF document text
    • https://yc-certify.com.tw/image/data/files/roblox-maniac-free-robux_GM431946152.pdfIn PDF document text
    • https://yc-certify.com.tw/image/data/files/roblox-gang_GM431946152.pdfIn PDF document text
    • https://yc-certify.com.tw/image/data/files/robhacker-free-robux_GM431946152.pdfIn PDF document text
    • https://yc-certify.com.tw/image/data/files/free-minecraft-coloring-pages_GM479516143.pdfIn PDF document text
    • https://yc-certify.com.tw/image/data/files/daily-free-coin-and-spin-link-for-coin-master_GM406889139.pdfIn PDF document text
    • https://yc-certify.com.tw/image/data/files/coin-master-daily-gifts_GM406889139.pdfIn PDF document text
    • https://yc-certify.com.tw/image/data/files/coin-master-hack-iphone_GM406889139.pdfIn PDF document text
    • https://yc-certify.com.tw/image/data/files/roblox-robux-generator-hack-download_GM431946152.pdfIn PDF document text
    • https://yc-certify.com.tw/image/data/files/how-to-get-free-robux-easy_GM431946152.pdfIn PDF document text
    • https://yc-certify.com.tw/image/data/files/free-spins-coin-master-unlimited_GM406889139.pdfIn PDF document text
    • https://yc-certify.com.tw/image/data/files/robux-free-promo-codes_GM431946152.pdfIn PDF document text
    • https://yc-certify.com.tw/image/data/files/robux-hack-opprewars_GM431946152.pdfIn PDF document text
    • https://yc-certify.com.tw/image/data/files/moonactive-free-spins-link_GM406889139.pdfIn PDF document text
    • https://yc-certify.com.tw/image/data/files/roblox-games-to-play-for-free_GM431946152.pdfIn PDF document text
    • https://yc-certify.com.tw/image/data/files/jailbreak-roblox-hack_GM431946152.pdfIn PDF document text
    • https://yc-certify.com.tw/image/data/files/free-clothing-items-roblox_GM431946152.pdfIn PDF document text
    • https://yc-certify.com.tw/image/data/files/earn-robux-zone-hack_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002f79.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F79 22140 bytes
SHA-256: e353f8c1d55e0c27eed202b05252fe124217870f93dd7c3ae13c524d37b83bcb
font_01_sfnt_off00006089.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6089 18204 bytes
SHA-256: c1185779461864b36b9820a1fc6c8f9e9cb6b26e9ea910c27505907d0185e4b6

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