Malicious PDF — malware analysis report

Static analysis result for SHA-256 7c77eba169d5e2e3…

MALICIOUS

PDF

35.4 KB Created: 2021-06-20 05:45:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 035ea0e52419d5d5c2278e45a58fa503 SHA-1: 711e6cafc33ff31acd413fb961d7faf5419200dc SHA-256: 7c77eba169d5e2e34b2daabda0e8853b585e9c5d62bfd10f5af1592e26e3235d
62 Risk Score

Malware Insights

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

The document contains numerous URLs and text related to hacking online games, 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 potentially harmful content. The document body's content and the embedded URLs point towards a scam aiming to trick users into downloading malicious files under the guise of game cheats.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/how-to-code-a-roblox-script-executor-hack-game-hack
    • http://internetdeputy.com/images/how-to-get-unlimited-robux-2021_GM431946152.pdf
    • http://internetdeputy.com/images/how-to-hack-money-systems-on-roblox-tycoons_GM431946152.pdf
    • http://internetdeputy.com/images/pubg-uc-generator-without-human-verification-2021_GM1330123889.pdf
    • http://internetdeputy.com/images/how-to-hack-roblox-passwords-2021_GM431946152.pdf
    • http://internetdeputy.com/images/how-to-hack-someones-roblox-account-on-phone_GM431946152.pdf
    • http://internetdeputy.com/images/online-coin-master-hack-here_GM406889139.pdf
    • http://internetdeputy.com/images/free-obc-roblox_GM431946152.pdf
    • http://internetdeputy.com/images/coin-master-spin-free_GM406889139.pdf
    • http://internetdeputy.com/images/roblox-in-game-hack_GM431946152.pdf
    • http://internetdeputy.com/images/master-coin-free_GM406889139.pdf
    • http://internetdeputy.com/images/minecraft-free-demo_GM479516143.pdf
    • http://internetdeputy.com/images/how-to-hack-roblox-money-2021_GM431946152.pdf
    • http://internetdeputy.com/images/greenville-roblox-hacks_GM431946152.pdf
    • http://internetdeputy.com/images/get-free-robux-by-watching-videos_GM431946152.pdf
    • http://internetdeputy.com/images/free-spin-links-coin-master-october-30-2021_GM406889139.pdf
    • http://internetdeputy.com/images/acount-hacking-roblox_GM431946152.pdf
    • http://internetdeputy.com/images/hack-crack-for-coin-master-currency_GM406889139.pdf
    • http://internetdeputy.com/images/how-to-hack-robux_GM431946152.pdf
    • http://internetdeputy.com/images/roblox-free-hair-codes_GM431946152.pdf
    • http://internetdeputy.com/images/get-a-free-account-on-roblox_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003077.bin
f8da5ab441c9011eb4f0ed448698d934c4305da61e4b6d4b3e4536d6736f0bd8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3077 22944 bytes
font_01_sfnt_off000063fc.bin
3f9babfe56c2c93d9719b6bad5899348edb79205b28e6538d27666ace5ab7c5a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x63FC 19536 bytes

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