PDF malware analysis — malicious · ba56144eeccd57d3

MALICIOUS

PDF

45.3 KB Created: 2021-06-03 14:43:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: c7157bf917f6c724ce219b487847ff03 SHA-1: d7cbdee92ca31e3fda7989a432dbc651def39b38 SHA-256: ba56144eeccd57d3aec4d9197f504ca202ccfd598cb1a32dff127f3744f34f35

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a fake CAPTCHA lure, designed to trick users into clicking embedded links. The document body and extracted URLs suggest a scam related to free game items or cheats, such as for Roblox or Minecraft. The primary malicious URL identified is https://netcdn.online/app/431946152/roblox-redeem-code-free-2021-game-hack, which likely hosts a malicious payload or further phishing content.

Machine Learning

Nyx PDF Classifier malicious score 0.9864

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.online/app/431946152/roblox-redeem-code-free-2021-game-hack
- http://digilib-ppsunisma.ac.id/repository/coin-master-free-rewards-link_GM406889139.pdf
- http://digilib-ppsunisma.ac.id/repository/earn-points-for-robux_GM431946152.pdf
- http://digilib-ppsunisma.ac.id/repository/hacker-minecraft-song_GM479516143.pdf
- http://digilib-ppsunisma.ac.id/repository/coin-master-free-fire_GM406889139.pdf
- http://digilib-ppsunisma.ac.id/repository/daily-free-spin-link-in-coin-master_GM406889139.pdf
- http://digilib-ppsunisma.ac.id/repository/minecraft-skins-download-free_GM479516143.pdf
- http://digilib-ppsunisma.ac.id/repository/free-robux-hack-no-human-verification-or-survey_GM431946152.pdf
- http://digilib-ppsunisma.ac.id/repository/how-to-get-free-robux-codes-2021_GM431946152.pdf
- http://digilib-ppsunisma.ac.id/repository/free-minecraft-realm-codes_GM479516143.pdf
- http://digilib-ppsunisma.ac.id/repository/is-it-possible-to-get-free-robux_GM431946152.pdf
- http://digilib-ppsunisma.ac.id/repository/free-robux-pastebin_GM431946152.pdf
- http://digilib-ppsunisma.ac.id/repository/bux-life-free-robux_GM431946152.pdf
- http://digilib-ppsunisma.ac.id/repository/free-robux-website_GM431946152.pdf
- http://digilib-ppsunisma.ac.id/repository/free-money-links-coin-master_GM406889139.pdf
- http://digilib-ppsunisma.ac.id/repository/minecraft-free-apk-download-016-0_GM479516143.pdf
- http://digilib-ppsunisma.ac.id/repository/free-robux-obby_GM431946152.pdf
- http://digilib-ppsunisma.ac.id/repository/roblox-girl_GM431946152.pdf
- http://digilib-ppsunisma.ac.id/repository/free-spins-and-coins-coin-master-facebook_GM406889139.pdf
- http://digilib-ppsunisma.ac.id/repository/how-to-hack-any-roblox-account_GM431946152.pdf
- http://digilib-ppsunisma.ac.id/repository/teach-me-to-hack_GM431946152.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_004_off0000541b.bin` `4125441b278dfcbd984b865674e4e48e01a264c4d98fff7930abdbde6c7db01d`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x541B	24856 bytes
`font_01_sfnt_off00008cc6.bin` `5e753bcdfff5a8576ce2679bb491f5f7d589da2ea9eb84a6df1ca4c5c34d8501`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8CC6	18784 bytes

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