Malicious PDF — malware analysis report

Static analysis result for SHA-256 6d702184efb6f04b…

MALICIOUS

PDF

46.2 KB Created: 2021-05-16 00:36:29 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: becde5e7cffba7b0287f5c7eebc51e20 SHA-1: 6bda660cffccb944290828973d142ec3594ae507 SHA-256: 6d702184efb6f04b68eab3cde1fda3f16a30a7f4d24861078e671efd7b07b9ec
82 Risk Score

Malware Insights

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

The document presents a fake CAPTCHA or human verification prompt to trick the user into downloading a file. It contains numerous URLs pointing to potentially malicious content, including one directly linked to a fake download page for game hacks. The ML classifier also flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9432

Heuristics 4

  • Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
    Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
  • 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/roblox-arsenal-hacks-download-game-hack
    • http://repository.poliven.ac.id//repository/free-robux-no-verification_GM431946152.pdf
    • http://repository.poliven.ac.id/repository/roblox-robux-hack-generator_GM431946152.pdf
    • http://repository.poliven.ac.id/repository/how-to-hack-roblox-to-get-robux_GM431946152.pdf
    • http://repository.poliven.ac.id/repository/earn-free-robux_GM431946152.pdf
    • http://repository.poliven.ac.id//repository/coin-master-card-hack-app_GM406889139.pdf
    • http://repository.poliven.ac.id/repository/minecraft-apk-free-download_GM479516143.pdf
    • http://repository.poliven.ac.id//repository/hack-coin-master-using-cheat-engine_GM406889139.pdf
    • http://repository.poliven.ac.id/repository/get-free-robux-generator_GM431946152.pdf
    • http://repository.poliven.ac.id/repository/free-robux-no-human-verification-and-no-survey_GM431946152.pdf
    • http://repository.poliven.ac.id/repository/free-account-roblox-with-robux_GM431946152.pdf
    • http://repository.poliven.ac.id/repository/rbxcity-free-robux_GM431946152.pdf
    • http://repository.poliven.ac.id//repository/free-spins-coinmaster_GM406889139.pdf
    • http://repository.poliven.ac.id/repository/minecraft-client-download_GM479516143.pdf
    • http://repository.poliven.ac.id//repository/coin-master-hack-no-survey-or-verification_GM406889139.pdf
    • http://repository.poliven.ac.id/repository/wurst-mc_GM479516143.pdf
    • http://repository.poliven.ac.id//repository/javascript-free-robux_GM431946152.pdf
    • http://repository.poliven.ac.id/repository/minecraft-pe-017-0-apk-free-download-android_GM479516143.pdf
    • http://repository.poliven.ac.id/repository/links-to-get-free-spins-on-coin-master_GM406889139.pdf
    • http://repository.poliven.ac.id//repository/hacks-minecraft_GM479516143.pdf
    • http://repository.poliven.ac.id/repository/best-way-to-get-free-robux_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000048d2.bin
7c50014f62aea113106137cd9b9ee737bea83e107659c3a17a2fc8942d3cba9b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x48D2 27484 bytes
font_01_sfnt_off000086cb.bin
dcdd98ee8e25436a83587ccb4027347dd2c3fcec95f3413942edd4086125bcca		 pdf-font-stream PDF embedded font (sfnt) at offset 0x86CB 2888 bytes
font_02_sfnt_off0000909f.bin
3194e743087210276cc8ef30afa20718d77c17967e4a232ddce90cfa751f40c3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x909F 18688 bytes

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