PDF malware analysis — malicious · 6ae0b9570458e9d9

MALICIOUS

PDF

43.2 KB Created: 2021-05-11 21:54:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27

MD5: 882f18c6672d6ca25d43aee2a567bb69 SHA-1: 1812a10c230b661feece8dff34a38dfe678dc921 SHA-256: 6ae0b9570458e9d99053c4f835b92a50b62c0c9caa8e886274bb888cad8a43ef

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 malicious links. The embedded URL and numerous other URLs point to sites offering game-related cheats or hacks, suggesting a social engineering tactic to deliver a payload. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

Nyx PDF Classifier malicious score 0.9969

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/free-roblox-gear-game-hack PDF link annotation
- https://creationegyptco.com/userfiles/files/free-spin-link-in-coin-master-game_GM406889139.pdfIn PDF document text
- https://creationegyptco.com/userfiles/files/free-robux-not-a-scam_GM431946152.pdfIn PDF document text
- https://creationegyptco.com/userfiles/files/free-spins-coin-master-app-iphone_GM406889139.pdfIn PDF document text
- https://creationegyptco.com/userfiles/files/minecraft-multiplayer-free_GM479516143.pdfIn PDF document text
- https://creationegyptco.com/userfiles/files/http-bit-ly-coin-master-hack_GM406889139.pdfIn PDF document text
- https://creationegyptco.com/userfiles/files/coin-master-hack-tool-2021_GM406889139.pdfIn PDF document text
- https://creationegyptco.com/userfiles/files/free-robux-download_GM431946152.pdfIn PDF document text
- https://creationegyptco.com/userfiles/files/free-robux-no-verification-2021-ios_GM431946152.pdfIn PDF document text
- https://creationegyptco.com/userfiles/files/get-robux-for-free-2021_GM431946152.pdfIn PDF document text
- https://creationegyptco.com/userfiles/files/can-you-make-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
- https://creationegyptco.com/userfiles/files/minecraft-hacked-client-112-2_GM479516143.pdfIn PDF document text
- https://creationegyptco.com/userfiles/files/create-minecraft-server-free_GM479516143.pdfIn PDF document text
- https://creationegyptco.com/userfiles/files/free-coin-master-spin-app_GM406889139.pdfIn PDF document text
- https://creationegyptco.com/userfiles/files/free-robux-now_GM431946152.pdfIn PDF document text
- https://creationegyptco.com/userfiles/files/minecraft-thumbnail-maker-free_GM479516143.pdfIn PDF document text
- https://creationegyptco.com/userfiles/files/www-roblox-com-robux-free_GM431946152.pdfIn PDF document text
- https://creationegyptco.com/userfiles/files/roblox-2021_GM431946152.pdfIn PDF document text
- https://creationegyptco.com/userfiles/files/cheat-codes-for-coin-master_GM406889139.pdfIn PDF document text
- https://creationegyptco.com/userfiles/files/free-daily-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- https://creationegyptco.com/userfiles/files/free-robux-android_GM431946152.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004a0c.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4A0C	26456 bytes
SHA-256: `2d0885d9129a394d54db179f8745f048ddd6e67214727ec2e7927bec7711aa82`
`font_01_sfnt_off000086d9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x86D9	18176 bytes
SHA-256: `6ea9eee9688bd29c5e0b74536b9be2ab390210d742e4038285307cb30709fc72`

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