Malicious PDF — malware analysis report

Static analysis result for SHA-256 eac70681ed539332…

MALICIOUS

PDF

33.3 KB Created: 2021-06-26 06:49:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: f69cee81f7bc2f1cee60cb44c9ae5f75 SHA-1: 7b3757286b79cebca5f385e573423e0cc89289bc SHA-256: eac70681ed539332cf3694f869479b1ddfd5365f5661dca64e5909a2146c229e
70 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document utilizes XFA forms and contains numerous embedded URLs, many of which are related to game hacks and cheats, suggesting a phishing or malware distribution lure. The ML classifier strongly flagged this PDF as malicious, and the presence of external URIs indicates an attempt to redirect the user to a potentially harmful site. The document body's content reinforces the lure of obtaining game-related benefits.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 5

  • 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.
  • XFA form low PDF_XFA
    PDF uses XML Forms Architecture — can contain script logic
  • 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.co/app/431946152/comment-hacker-un-compte-roblox-pc-game-hack
    • https://lib.unitri.ac.id/repository/hack-to-train-railway-roblox_GM431946152.pdf
    • https://lib.unitri.ac.id/repository/hack-bunny-hollie-roblox-account_GM431946152.pdf
    • https://lib.unitri.ac.id/repository/robuxy-com-generator_GM431946152.pdf
    • https://lib.unitri.ac.id/repository/how-to-get-minecraft-for-free-on-phone_GM479516143.pdf
    • https://lib.unitri.ac.id/repository/free-robux-on-moneysee_GM431946152.pdf
    • https://lib.unitri.ac.id/repository/coin-master-free-spins-links-2021_GM406889139.pdf
    • https://lib.unitri.ac.id//repository/robux-generator-without-human-verification-2021_GM431946152.pdf
    • https://lib.unitri.ac.id/repository/to-get-free-robux_GM431946152.pdf
    • https://lib.unitri.ac.id/repository/followers-generator-roblox-hack_GM431946152.pdf
    • https://lib.unitri.ac.id/repository/how-to-hack-into-anyones-roblox-account-2021_GM431946152.pdf
    • https://lib.unitri.ac.id/repository/haktuts-free-spins_GM406889139.pdf
    • https://lib.unitri.ac.id/repository/inf-jump-hack-script-for-phone-roblox_GM431946152.pdf
    • https://lib.unitri.ac.id/repository/how-to-make-an-audio-on-roblox-free_GM431946152.pdf
    • https://lib.unitri.ac.id//repository/coin-master-hack-2021-apk_GM406889139.pdf
    • https://lib.unitri.ac.id/repository/roblox-valkyrie-helm-free_GM431946152.pdf
    • https://lib.unitri.ac.id/repository/roblox-free-robux-easy-2021_GM431946152.pdf
    • https://lib.unitri.ac.id/repository/free-group-roblox_GM431946152.pdf
    • https://lib.unitri.ac.id/repository/free-robux-redeem-codes-2021_GM431946152.pdf
    • https://lib.unitri.ac.id/repository/how-to-hack-a-minecraft-account_GM479516143.pdf
    • https://lib.unitri.ac.id/repository/get-more-free-spins-on-coin-master_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002c78.bin
3327b70fd92b1449bdd4cd117cef3685d996fab7cd6fb0ccf69f0abafbd920f4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C78 21692 bytes
font_01_sfnt_off00005c34.bin
93779ae0b8792d1e5ec3243ebef540d8e64aa7e8b4b2c14807e3aefa3720e876		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5C34 19352 bytes

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