PDF malware analysis — malicious · 90225d74d310f24d

MALICIOUS

PDF

43.0 KB Created: 2021-06-03 21:58:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: b2b074936b82256043cd767b098cbc41 SHA-1: cc41d36477f37c80adf9fd0bc3d3975e21c853ac SHA-256: 90225d74d310f24db0483f0652942b14689a3d61850279ddd73e4ba675055fcf

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The document contains a lure for free game spins, directing users to a suspicious URL. The presence of embedded URLs and a high ML classifier score indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URIs suggest it's designed to redirect users to potentially malicious content, possibly a downloader or phishing page.

Machine Learning

Nyx PDF Classifier malicious score 0.9874

Heuristics 4

Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE

Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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/link-for-free-spins-on-coin-master-game-hack
- http://www.elibrary.perludem.org/repository/coin-master-free-spins-link-blogspot-today_GM406889139.pdf
- http://www.elibrary.perludem.org/repository/how-to-hack-roblox-accounts-passwords_GM431946152.pdf
- http://www.elibrary.perludem.org/repository/robux-generator_GM431946152.pdf
- http://elibrary.perludem.org/repository/kuso-icu-roblox-hack_GM431946152.pdf
- http://elibrary.perludem.org//repository/pubg-uc-free-2021_GM1330123889.pdf
- http://elibrary.perludem.org/repository/hacks-for-minecraft-windows-10_GM479516143.pdf
- http://www.elibrary.perludem.org/repository/get-free-spins-coin-master-link_GM406889139.pdf
- http://elibrary.perludem.org//repository/boost9-com-roblox-hack_GM431946152.pdf
- http://www.elibrary.perludem.org/repository/link-coin-master_GM406889139.pdf
- http://elibrary.perludem.org//repository/how-do-you-earn-robux_GM431946152.pdf
- http://www.elibrary.perludem.org/repository/coin-master-hacks_GM406889139.pdf
- http://www.elibrary.perludem.org/repository/free-robux-no-password_GM431946152.pdf
- http://www.elibrary.perludem.org/repository/coin-master-hack-here_GM406889139.pdf
- http://www.elibrary.perludem.org/repository/robuxy-com-free-robux_GM431946152.pdf
- http://www.elibrary.perludem.org/repository/free-robux-with-no-human-verification_GM431946152.pdf
- http://elibrary.perludem.org/repository/roblox-booga-booga-hack_GM431946152.pdf
- http://www.elibrary.perludem.org/repository/coin-master-ios-gods-hack_GM406889139.pdf
- http://elibrary.perludem.org/repository/coin-master-unlimited-spins-hack_GM406889139.pdf
- http://www.elibrary.perludem.org/repository/how-to-get-minecraft-on-chromebook-for-free_GM479516143.pdf
- http://elibrary.perludem.org//repository/rblx-gg-free-robux_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_off00004de5.bin` `a04c807b418839c9181fc53ecad212dcc2351d36926f4d14668691959b7667a0`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4DE5	24672 bytes
`font_01_sfnt_off00008653.bin` `722d781e478cd0d1a4785e673d05427d87221dd2f44d1d4595ffa323240eece4`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8653	18056 bytes

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