PDF malware analysis — malicious · 33eb48c602bf2d6d

MALICIOUS

PDF

44.8 KB Created: 2021-06-03 22:17:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: caaead3a68a05849b724c249136ed946 SHA-1: 6e3850646b6fbab3762e368aac2d31e310b6461d SHA-256: 33eb48c602bf2d6dab9598ca9964bbe79002fc71c66a787f68b6466b6ca5d060

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The document presents a fake CAPTCHA to lure the user into clicking a download link, which is a common social engineering tactic. The embedded URL points to a resource that is likely a malicious payload. The ML classifier also flagged this PDF with high confidence.

Machine Learning

Nyx PDF Classifier malicious score 0.9865

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/406889139/fbchampion-game-hack
- https://pustaka.widyakartika.ac.id/repository/how-to-hack-roblox-accounts-2021_GM431946152.pdf
- https://pustaka.widyakartika.ac.id/repository/bux-life-free-robux_GM431946152.pdf
- https://pustaka.widyakartika.ac.id/repository/roblox-free-hair-girl_GM431946152.pdf
- https://pustaka.widyakartika.ac.id/repository/minecraft-free-edition_GM479516143.pdf
- https://pustaka.widyakartika.ac.id/repository/aristois-minecraft-hack_GM479516143.pdf
- https://pustaka.widyakartika.ac.id/repository/free-robux-no-verification-or-survey_GM431946152.pdf
- https://pustaka.widyakartika.ac.id/repository/coin-master-hack-extension_GM406889139.pdf
- https://pustaka.widyakartika.ac.id/repository/free-minecraft-hacks_GM479516143.pdf
- https://pustaka.widyakartika.ac.id/repository/coin-master-free-spins-through-coin-pop_GM406889139.pdf
- https://pustaka.widyakartika.ac.id/repository/free-roblox-accounts-with-robux-2021_GM431946152.pdf
- https://pustaka.widyakartika.ac.id/repository/coin-master-free-link-today_GM406889139.pdf
- https://pustaka.widyakartika.ac.id/repository/minecraft-windows-10-hacks_GM479516143.pdf
- https://pustaka.widyakartika.ac.id/repository/coin-master-free-spins-iphone-2021_GM406889139.pdf
- https://pustaka.widyakartika.ac.id/repository/free-robux-just-enter-username_GM431946152.pdf
- https://pustaka.widyakartika.ac.id/repository/minecraft-modded-client_GM479516143.pdf
- https://pustaka.widyakartika.ac.id/repository/coin-master-free-daily-spins-2021_GM406889139.pdf
- https://pustaka.widyakartika.ac.id/repository/coin-master-daily-free-spins-link-today-twitter_GM406889139.pdf
- https://pustaka.widyakartika.ac.id/repository/coin-master-hack-ios-no-verification_GM406889139.pdf
- https://pustaka.widyakartika.ac.id/repository/how-to-make-a-free-minecraft-account_GM479516143.pdf
- https://pustaka.widyakartika.ac.id/repository/get-free-robux-without-doing-anything_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_off00004fb7.bin` `3bb1ec5e93f28b06d3d5b7b24b9d46371facf3c628520792bc671d888512f423`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4FB7	29336 bytes
`font_01_sfnt_off00008cd6.bin` `a6b0af27d4d3b45433f1bf9322c4fc5530f0836706fea914cb1eef9ee3408c10`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8CD6	18364 bytes

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