PDF static analysis report

Static analysis result for SHA-256 bf02b1d452f60dbc…

SUSPICIOUS

PDF

34.4 KB Created: 2021-07-09 00:16:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 83d4212423bf5899c32d212ed3dd4453 SHA-1: 967cfba168add65c5e2e83b21b647fbd242357ee SHA-256: bf02b1d452f60dbcbd18eec6c88ed55314e62b5e6141541eb2372e110eaa4962
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs, with a primary focus on 'Coin Master Free Spins' and 'Robux' hacks. The ML classifier strongly flagged this PDF as malicious, and the presence of external URIs suggests an attempt to redirect the user to a download or exploit site. While no scripts were explicitly extracted, the document's structure and content indicate a social engineering lure designed to trick users into clicking malicious links.

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/406889139/coin-master-free-spins-and-coins-daily-game-hack PDF link annotation
    • https://www.metal.hr/files/blox-best-robux_GM431946152.pdfIn PDF document text
    • https://www.metal.hr/files/how-to-hack-and-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.metal.hr/files/coin-master-hack-using-cheat-engine_GM406889139.pdfIn PDF document text
    • https://www.metal.hr/files/free-tiktok-25-likes_GM835599320.pdfIn PDF document text
    • https://www.metal.hr/files/robuxhub-net_GM431946152.pdfIn PDF document text
    • https://www.metal.hr/files/funny-roblox-avtar-free_GM431946152.pdfIn PDF document text
    • https://www.metal.hr/files/roblox-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • https://www.metal.hr/files/free-headless-head-roblox_GM431946152.pdfIn PDF document text
    • https://www.metal.hr/files/how-to-hack-roblox-high-school-money_GM431946152.pdfIn PDF document text
    • https://www.metal.hr/files/nope-hack-roblox-cheat-engine-64_GM431946152.pdfIn PDF document text
    • https://www.metal.hr/files/roblox-no-download-hack_GM431946152.pdfIn PDF document text
    • https://www.metal.hr/files/how-to-hack-roblox-2021_GM431946152.pdfIn PDF document text
    • https://www.metal.hr/files/coin-master-free-daily-spins-link-2021_GM406889139.pdfIn PDF document text
    • https://www.metal.hr/files/coin-master-free-spin-link-today-50_GM406889139.pdfIn PDF document text
    • https://www.metal.hr/files/roblox-kostenlos-robux-hacken-ohne-eine-app-zu-downloaden_GM431946152.pdfIn PDF document text
    • https://www.metal.hr/files/roblox-six-pack-t-shirt-free_GM431946152.pdfIn PDF document text
    • https://www.metal.hr/files/daily-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://www.metal.hr/files/how-to-get-free-robux-hard_GM431946152.pdfIn PDF document text
    • https://www.metal.hr/files/how-to-hack-someones-minecraft-account_GM479516143.pdfIn PDF document text
    • https://www.metal.hr/files/free-give-code-away-roblox_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
stream_002_off00002e81.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2E81 23020 bytes
SHA-256: 2f0716d12abfa5ef78f3a4ecafc7e370f40edfd7732115f703a10106f15325db
font_01_sfnt_off00006245.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6245 18772 bytes
SHA-256: 19a32b246d97102996ae87c3480bab741072fa74bbecf67b9c68c4bb2203f36d