Malicious PDF — malware analysis report

Static analysis result for SHA-256 3f02cbbed8056151…

MALICIOUS

PDF

45.4 KB Created: 2021-06-10 21:22:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 269713354d4525c3b510a527d474ecdc SHA-1: 76016ffcb66583a9246e5e919a298d5c26f55378 SHA-256: 3f02cbbed805615184e4a1a4329473b2db645bbf9f7079588203882b922a16f5
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document contains a lure for free Robux, a virtual currency, and includes an embedded URL pointing to a download page. The ML classifier strongly flagged this PDF as malicious, and the presence of external URIs suggests a download or redirection attempt. No scripts were extracted, but the overall pattern indicates a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9864

Heuristics 4

  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • 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.tw/app/431946152/free-robux-tutorial-game-hack
    • https://rsudwangaya.denpasarkota.go.id/new/public/ckfinder/userfiles/files/roblox-free-robux-hack_GM431946152.pdf
    • https://rsudwangaya.denpasarkota.go.id/new/public/ckfinder/userfiles/files/coin-master-hack-version_GM406889139.pdf
    • https://rsudwangaya.denpasarkota.go.id/new/public/ckfinder/userfiles/files/roblox-pics_GM431946152.pdf
    • https://rsudwangaya.denpasarkota.go.id/new/public/ckfinder/userfiles/files/coin-master-hack-online-pc_GM406889139.pdf
    • https://rsudwangaya.denpasarkota.go.id/new/public/ckfinder/userfiles/files/new-free-money-links-coin-master_GM406889139.pdf
    • https://rsudwangaya.denpasarkota.go.id/new/public/ckfinder/userfiles/files/coin-master-hack-without-human-verification_GM406889139.pdf
    • https://rsudwangaya.denpasarkota.go.id/new/public/ckfinder/userfiles/files/free-roblox-shirts-templates_GM431946152.pdf
    • https://rsudwangaya.denpasarkota.go.id/new/public/ckfinder/userfiles/files/coin-master-hack-without-verification-2021_GM406889139.pdf
    • https://rsudwangaya.denpasarkota.go.id/new/public/ckfinder/userfiles/files/robux-generator-2021_GM431946152.pdf
    • https://rsudwangaya.denpasarkota.go.id/new/public/ckfinder/userfiles/files/how-to-host-a-minecraft-server-for-free_GM479516143.pdf
    • https://rsudwangaya.denpasarkota.go.id/new/public/ckfinder/userfiles/files/coin-master-redeem-code-free_GM406889139.pdf
    • https://rsudwangaya.denpasarkota.go.id/new/public/ckfinder/userfiles/files/coin-master-coins-hack_GM406889139.pdf
    • https://rsudwangaya.denpasarkota.go.id/new/public/ckfinder/userfiles/files/earn-robux-online_GM431946152.pdf
    • https://rsudwangaya.denpasarkota.go.id/new/public/ckfinder/userfiles/files/how-to-downgrade-minecraft-pe_GM479516143.pdf
    • https://rsudwangaya.denpasarkota.go.id/new/public/ckfinder/userfiles/files/free-minecraft-account_GM479516143.pdf
    • https://rsudwangaya.denpasarkota.go.id/new/public/ckfinder/userfiles/files/how-to-hack-roblox-accounts-on-phone_GM431946152.pdf
    • https://rsudwangaya.denpasarkota.go.id/new/public/ckfinder/userfiles/files/moonactive-coin-master_GM406889139.pdf
    • https://rsudwangaya.denpasarkota.go.id/new/public/ckfinder/userfiles/files/free-roblox-accounts-with-robux-that-work-not-banned-2021_GM431946152.pdf
    • https://rsudwangaya.denpasarkota.go.id/new/public/ckfinder/userfiles/files/coin-master-hack-mod-apk-download_GM406889139.pdf
    • https://rsudwangaya.denpasarkota.go.id/new/public/ckfinder/userfiles/files/free-robux_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off000052d9.bin
d7a09d3e97478cbe50d39c33a7173f3c5bb26730ea874a6f0131cf631938cd78		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x52D9 25740 bytes
font_01_sfnt_off00008e03.bin
fb186283d594894fa467fe6c4a0cdeb78e59d6ff240948f5b16bc582a03a5287		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8E03 18540 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.