PDF static analysis report

Static analysis result for SHA-256 4dd85083d50c806f…

SUSPICIOUS

PDF

41.2 KB Created: 2021-05-16 03:02:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 81dec462d4fe1d887e6969064c7f8b37 SHA-1: 908470d38c497d7936c56b4a69b8207e936bf5dd SHA-256: 4dd85083d50c806f791056bb6b4eb0a95e41722da46cadbcd4c31801d2467934
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The ML classifier strongly flagged this PDF as malicious, and it contains an embedded URL pointing to a suspicious domain associated with free game items. The document body, though partially garbled, includes phrases and URLs related to 'free Minecraft account list' and 'game hack', reinforcing the lure. While no scripts were explicitly extracted, the presence of embedded URLs and the ML detection suggest a high likelihood of this document being used to deliver a malicious payload or redirect users to a phishing site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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 https://netcdn.xyz/app/479516143/free-minecraft-account-list-game-hack PDF link annotation
    • https://library.kysm.edu.my/repository/coin-master-free-coins-and-spins-link-today_GM406889139.pdfIn PDF document text
    • https://library.kysm.edu.my/repository/coin-master-free-spins-link-2021-hack_GM406889139.pdfIn PDF document text
    • https://www.library.kysm.edu.my/repository/free-coin-master-spins_GM406889139.pdfIn PDF document text
    • https://www.library.kysm.edu.my/repository/earn-robux-websites_GM431946152.pdfIn PDF document text
    • https://library.kysm.edu.my/repository/coin-master-ios-hack_GM406889139.pdfIn PDF document text
    • https://library.kysm.edu.my/repository/roblox-earn_GM431946152.pdfIn PDF document text
    • https://www.library.kysm.edu.my/repository/free-spin-coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • https://www.library.kysm.edu.my/repository/1x1x1x1-roblox-id_GM431946152.pdfIn PDF document text
    • https://www.library.kysm.edu.my/repository/www-free-robux-com_GM431946152.pdfIn PDF document text
    • https://library.kysm.edu.my/repository/mine-minecraft-games-for-free_GM479516143.pdfIn PDF document text
    • https://www.library.kysm.edu.my/repository/coin-master-hack-apk-download-for-android-mobile_GM406889139.pdfIn PDF document text
    • https://library.kysm.edu.my/repository/get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • https://www.library.kysm.edu.my/repository/vip-roblox-free_GM431946152.pdfIn PDF document text
    • https://library.kysm.edu.my/repository/how-to-get-free-coins-and-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://www.library.kysm.edu.my/repository/daily-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://www.library.kysm.edu.my/repository/how-can-i-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://library.kysm.edu.my/repository/how-to-send-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://library.kysm.edu.my/repository/free-robux-kid-friendly-no-human-verification_GM431946152.pdfIn PDF document text
    • https://library.kysm.edu.my/repository/how-to-get-free-faces-on-roblox_GM431946152.pdfIn PDF document text
    • https://www.library.kysm.edu.my/repository/free-robux-no-apps_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 6

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
stream_003_off00004a16.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A16 24048 bytes
SHA-256: 7e523abaf3bd4ae8cd54aee04d9b79740fba0f8b7cb5e97a5097dcd2925db8d2
font_01_sfnt_off00008019.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8019 17848 bytes
SHA-256: 5b1d54360e857fbda0e30a3304c93394a8bc996e2a6fac27502c58fec3e6bef5

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