Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0f3d0d4df816251…

MALICIOUS

PDF

41.6 KB Created: 2021-05-21 15:14:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 8d350d167dab59e71c2d8870d260451b SHA-1: f634c5ddeb8191f5c1be14d579afc75dd7c8a7ba SHA-256: e0f3d0d4df816251513928ca3f1dad5338ef80add82e6261e3e2dbf5e27f2030
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains multiple embedded URLs and a prominent call-to-action to download a 'Roblox Generator'. The ML classifier also flagged the PDF as malicious. The document's content and the presence of numerous suspicious URLs strongly suggest a phishing attempt to trick users into downloading malware disguised as a game hack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7466

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.xyz/app/431946152/e-free-roblox-game-hack
    • https://www.iseas.com/uploaded_files/userfiles/files/tiktok-free-download_GM835599320.pdf
    • https://www.iseas.com/uploaded_files/userfiles/files/games-that-give-you-free-robux_GM431946152.pdf
    • https://www.iseas.com/uploaded_files/userfiles/files/coin-master-hack-apk-with-fb-login-2021_GM406889139.pdf
    • https://www.iseas.com/uploaded_files/userfiles/files/coin-master-free-daily-spins-and-coins_GM406889139.pdf
    • https://www.iseas.com/uploaded_files/userfiles/files/free-robux-generator-no-verification-2021_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000348b.bin
1fa793daf2ad34e5b000a649ba3f2f969c14839c695e604fca65d92b29519410		 pdf-font-stream PDF embedded font (sfnt) at offset 0x348B 28556 bytes
font_01_sfnt_off000076ea.bin
d2fbe445e4228ea2e3d75d3e8f0f84124f9dd8d3d0cf2c6e4e63bcca92f2519f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x76EA 3512 bytes
font_02_sfnt_off0000827d.bin
594f58ced4ec4e8518b962cb8348315bbaf7ba9538d4e6c8751962be7bad33f9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x827D 17948 bytes

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