PDF static analysis report

Static analysis result for SHA-256 8eb9a16fab63f399…

SUSPICIOUS

PDF

34.9 KB Created: 2021-07-05 00:36:37 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: a8fda339f4616c372683553e2df1dc32 SHA-1: 39e68c34036b18da15353f51be4f0d9bab53123d SHA-256: 8eb9a16fab63f3996aab2b943b38ce591180897b5ad52e741dee68825f250e8c
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document contains a prominent link to a website offering free spins for Coin Master, suggesting a phishing or scam lure. The ML classifier also flagged this PDF as malicious with high confidence. While no scripts were extracted, the presence of external URIs and the document's content strongly indicate a malicious intent to redirect users to potentially harmful sites.

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/how-do-you-get-free-daily-spins-on-coin-master-game-hack PDF link annotation
    • http://www.nfca.org.tw/upload/files/roblox-flower-crown-free_GM431946152.pdfIn PDF document text
    • http://www.nfca.org.tw/upload/files/free-robux-no-verification-2021_GM431946152.pdfIn PDF document text
    • http://www.nfca.org.tw/upload/files/25-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://www.nfca.org.tw/upload/files/hack-kick-script-roblox_GM431946152.pdfIn PDF document text
    • http://www.nfca.org.tw/upload/files/coin-master-time-hack-ios_GM406889139.pdfIn PDF document text
    • http://www.nfca.org.tw/upload/files/how-to-hack-your-roblox-robux_GM431946152.pdfIn PDF document text
    • http://www.nfca.org.tw/upload/files/roblox-fre-fsp_GM431946152.pdfIn PDF document text
    • http://www.nfca.org.tw/upload/files/roblox-arsenal-hack-script-pastebin_GM431946152.pdfIn PDF document text
    • http://www.nfca.org.tw/upload/files/free-robux-websites-2021_GM431946152.pdfIn PDF document text
    • http://www.nfca.org.tw/upload/files/free-spins-for-coin-master-game_GM406889139.pdfIn PDF document text
    • http://www.nfca.org.tw/upload/files/how-to-get-into-a-hacked-roblox-account_GM431946152.pdfIn PDF document text
    • http://www.nfca.org.tw/upload/files/free-spin-link-for-coin-master-game_GM406889139.pdfIn PDF document text
    • http://www.nfca.org.tw/upload/files/spinuri-gratis-coin-master_GM406889139.pdfIn PDF document text
    • http://www.nfca.org.tw/upload/files/coin-master-mod-apk-latest-hack-with-unlimited-free-spins_GM406889139.pdfIn PDF document text
    • http://www.nfca.org.tw/upload/files/coin-master-free-spins-hack_GM406889139.pdfIn PDF document text
    • http://www.nfca.org.tw/upload/files/free-lua-exploit-roblox_GM431946152.pdfIn PDF document text
    • http://www.nfca.org.tw/upload/files/free-minecraft-capes_GM479516143.pdfIn PDF document text
    • http://www.nfca.org.tw/upload/files/free-spin-in-coin-master_GM406889139.pdfIn PDF document text
    • http://www.nfca.org.tw/upload/files/how-to-find-a-hacked-server-on-roblox_GM431946152.pdfIn PDF document text
    • http://www.nfca.org.tw/upload/files/how-to-get-free-robux-easy_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
font_00_sfnt_off000030a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30A3 22728 bytes
SHA-256: 65d0a2d762cfd511d053b14e1439f5702635cb35c697cdf91544726a94608f71
font_01_sfnt_off0000637d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x637D 19064 bytes
SHA-256: 82c7586521f9216f0d63aa97b3519c48bea1185934e4759472a193b88cea26fc