PDF static analysis report

Static analysis result for SHA-256 1b35af5df5cfcc8b…

SUSPICIOUS

PDF

44.1 KB Created: 2021-06-04 02:16:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 386cc2ca4f9745451eafaccd5b1ba056 SHA-1: 8766f05bca8b5f686ccb863e10850253c152d648 SHA-256: 1b35af5df5cfcc8be1b65a34f5a14368a4ea0c939302fd52c41a758e36c91d33
42 Risk Score

Malware Insights

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

The PDF document contains multiple embedded URLs, including one pointing to 'netcdn.online', which is flagged as an external URI. The document body, though partially corrupted, suggests a lure related to game cheats ('Coin Master', 'Robux'). The ML classifier also flagged this PDF as malicious. These findings indicate the document is likely a phishing lure designed to trick users into downloading a secondary payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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.online/app/406889139/free-coin-master-spins-links-2021-game-hack PDF link annotation
    • http://library.acehresearch.org/repository/spin-coin-master-free_GM406889139.pdfIn PDF document text
    • http://library.acehresearch.org/repository/facebook-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://library.acehresearch.org/repository/toolbox-for-minecraft-windows-10_GM479516143.pdfIn PDF document text
    • http://library.acehresearch.org/repository/hack-coin-master-apk-mod_GM406889139.pdfIn PDF document text
    • http://library.acehresearch.org/repository/free-robux-websites-that-actually-work-2021_GM431946152.pdfIn PDF document text
    • http://library.acehresearch.org/repository/if-i-uninstall-minecraft-can-i-reinstall-it-for-free_GM479516143.pdfIn PDF document text
    • http://library.acehresearch.org/repository/microsoft-roblox_GM431946152.pdfIn PDF document text
    • http://library.acehresearch.org/repository/coin-master-link-today_GM406889139.pdfIn PDF document text
    • http://library.acehresearch.org/repository/get-me-robux-for-free_GM431946152.pdfIn PDF document text
    • http://library.acehresearch.org/repository/how-to-hack-roblox_GM431946152.pdfIn PDF document text
    • http://library.acehresearch.org/repository/roblox-generator-no-verification_GM431946152.pdfIn PDF document text
    • http://library.acehresearch.org/repository/coin-master-spin-free_GM406889139.pdfIn PDF document text
    • http://library.acehresearch.org/repository/free-tiktok-likes-no-survey_GM835599320.pdfIn PDF document text
    • http://library.acehresearch.org/repository/hack-coin-master-apk-33_GM406889139.pdfIn PDF document text
    • http://library.acehresearch.org/repository/how-to-get-free-hats-on-roblox_GM431946152.pdfIn PDF document text
    • http://library.acehresearch.org/repository/robux-generator-com_GM431946152.pdfIn PDF document text
    • http://library.acehresearch.org/repository/how-to-get-free-robux-with-no-verification_GM431946152.pdfIn PDF document text
    • http://library.acehresearch.org/repository/free-robux-websites-no-human-verification_GM431946152.pdfIn PDF document text
    • http://library.acehresearch.org/repository/roblox-free-pants_GM431946152.pdfIn PDF document text
    • http://library.acehresearch.org/repository/minecraft-cheats-pc-2021_GM479516143.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
stream_004_off00005131.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5131 24688 bytes
SHA-256: c4fe6372f48dc78a05d89c423d3f425d34917c760d974424f0485f8e1ac0445a
font_01_sfnt_off0000892f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x892F 18456 bytes
SHA-256: 1df78224994ee43a22d89536079f46dbccffe913f4ec8075feb5eac5cb57a7db

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