Malicious PDF — malware analysis report

Static analysis result for SHA-256 43e1f8c063b02f36…

MALICIOUS

PDF

32.7 KB Created: 2021-06-19 04:38:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: e1fa6a7344a0b61b04ff7183be49d23e SHA-1: 755cd77e4a41cca706c61b135aea8b1e24e22f19 SHA-256: 43e1f8c063b02f36dadac83a6123630a29387ea13c03775ca48dc7707e4db399
62 Risk Score

Malware Insights

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

The PDF document contains numerous embedded URLs and text referencing 'hacks' and 'free currency' for popular games like Roblox and Coin Master. The primary external URI points to a suspicious domain, suggesting a lure for users to download potentially malicious files or visit phishing sites. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9824

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-hack-a-account-on-roblox-2021-game-hack
    • https://www.man2samarinda.com/__statics/gudangsoal/files/how-to-get-free-robux-on-phone_GM431946152.pdf
    • https://www.man2samarinda.com/__statics/gudangsoal/files/coin-master-hack-ios-2021_GM406889139.pdf
    • https://www.man2samarinda.com/__statics/gudangsoal/files/install-free-game-coin-master_GM406889139.pdf
    • https://www.man2samarinda.com/__statics/gudangsoal/files/coin-master-free-spins-link_GM406889139.pdf
    • https://man2samarinda.com/__statics/gudangsoal/files/is-it-possible-to-get-free-robux_GM431946152.pdf
    • https://man2samarinda.com/__statics/gudangsoal/files/coinmaster-free-spins-link_GM406889139.pdf
    • https://www.man2samarinda.com/__statics/gudangsoal/files/earn-free-robux-for-roblox_GM431946152.pdf
    • https://www.man2samarinda.com/__statics/gudangsoal/files/free-spins-coin-master-app_GM406889139.pdf
    • https://www.man2samarinda.com/__statics/gudangsoal/files/free-robux-giveaway-live_GM431946152.pdf
    • https://man2samarinda.com/__statics/gudangsoal/files/coin-master-free-coins-and-spins-2021_GM406889139.pdf
    • https://man2samarinda.com/__statics/gudangsoal/files/coin-master-hack-download-android_GM406889139.pdf
    • https://www.man2samarinda.com/__statics/gudangsoal/files/lazyblox-com-free-robux_GM431946152.pdf
    • https://www.man2samarinda.com/__statics/gudangsoal/files/roblox-robux-hack_GM431946152.pdf
    • https://man2samarinda.com/__statics/gudangsoal/files/can-i-get-minecraft-for-free_GM479516143.pdf
    • https://www.man2samarinda.com/__statics/gudangsoal/files/hack-roblox-using-command-prompt_GM431946152.pdf
    • https://man2samarinda.com/__statics/gudangsoal/files/free-spins-coin-master-facebook_GM406889139.pdf
    • https://man2samarinda.com/__statics/gudangsoal/files/free-roblox-adopt-me-pets_GM431946152.pdf
    • https://man2samarinda.com/__statics/gudangsoal/files/is-minecraft-free-on-switch_GM479516143.pdf
    • https://man2samarinda.com/__statics/gudangsoal/files/coin-master-free-spin-software_GM406889139.pdf
    • https://www.man2samarinda.com/__statics/gudangsoal/files/free-roblox-account-generator_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002b7d.bin
49b05fb29b4e33a0d83a0a2cc43a56db8ee024cac3817813c93fc1a7641825f5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B7D 21144 bytes
font_01_sfnt_off000059a3.bin
341d5afdba466f78ff56c0d05ca02dfebf43877d79321770beed0f23d849f931		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59A3 19468 bytes

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