PDF malware analysis — malicious · d347042a2512521a

MALICIOUS

PDF

41.8 KB Created: 2021-05-15 06:04:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 9900b6a0195be9313b51ffabc2aad3a2 SHA-1: 4e5bf14e9422afcd9911d90f9e5ca144ce582a17 SHA-256: d347042a2512521acb5d649b42af2bde8284a0bba4a702eb7742ea654047b918

82 Risk Score

Malware Insights

MITRE ATT&CK

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

The document presents a fake CAPTCHA or human verification prompt to trick the user into clicking a link, which is a common social engineering tactic. The embedded URL and numerous other similar URLs found in the document suggest a phishing or scam campaign. No scripts were extracted, limiting further analysis of the payload.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

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-free-robux-no-verification-game-hack
- http://www.tdbaska.hr/files/free-robux-scam_GM431946152.pdf
- https://www.tdbaska.hr/files/coin-master-free-gold-cards-link-2021ee-spins_GM406889139.pdf
- https://www.tdbaska.hr/files/robloxheroxyz-free-robux_GM431946152.pdf
- http://www.tdbaska.hr/files/generator-robux_GM431946152.pdf
- https://www.tdbaska.hr/files/how-to-get-free-spins-on-coin-master-hack_GM406889139.pdf
- http://www.tdbaska.hr/files/freerobux-co_GM431946152.pdf
- http://www.tdbaska.hr/files/coinmaster-spin-ml-link_GM406889139.pdf
- https://www.tdbaska.hr/files/www-free-robux_GM431946152.pdf
- https://www.tdbaska.hr/files/coin-master-game-hack-app-download_GM406889139.pdf
- https://www.tdbaska.hr/files/coin-master-gold-cards-free_GM406889139.pdf
- https://www.tdbaska.hr/files/levvvel-coin-master_GM406889139.pdf
- http://www.tdbaska.hr/files/master-coin-hack-apk_GM406889139.pdf
- https://www.tdbaska.hr/files/free-free-robux_GM431946152.pdf
- http://www.tdbaska.hr/files/coin-master-hack-apk-2021-ios_GM406889139.pdf
- https://www.tdbaska.hr/files/coin-master-free-spins-2021_GM406889139.pdf
- https://www.tdbaska.hr/files/coin-master-card-hack-apk_GM406889139.pdf
- https://www.tdbaska.hr/files/minecraft-free-download-linux_GM479516143.pdf
- https://www.tdbaska.hr/files/www-coinmaster-com_GM406889139.pdf
- https://www.tdbaska.hr/files/free-spins-on-coin-master-links-2021_GM406889139.pdf
- https://www.tdbaska.hr/files/free-spins-on-coin-master-hack_GM406889139.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000047e6.bin` `d377b67cca93066ecbb62353e1c35e300d79a1689f0de26a48877e5a14cbe186`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x47E6	24216 bytes
`font_01_sfnt_off00007f93.bin` `d88aecf2630d4fcf6e85b9a2b5560aad6055705ec2bb19cbd5d89ce1bd292ac8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7F93	18676 bytes

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