PDF malware analysis — malicious · 63813b02460f0747

MALICIOUS

PDF

46.7 KB Created: 2021-06-11 09:30:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 5c927fd05ffc8e96ac76fd1e84abddf7 SHA-1: d300db74a42cf684955ab5a9d0f6b9594b5808e0 SHA-256: 63813b02460f074748c65a15ffdf295b3e8db8411db0e00ec36c1d94468da093

90 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a fake CAPTCHA lure and visual download buttons to trick users into clicking malicious links. The embedded URLs point to domains associated with malware distribution, suggesting the document is a phishing lure designed to download a second-stage payload. No scripts were extracted, limiting further analysis of the execution chain.

Machine Learning

Nyx PDF Classifier malicious score 0.9832

Heuristics 5

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
Urgency / deadline lure low SE_URGENCY_LURE

Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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.tw/app/431946152/roblox-rpg-world-hack-game-hack
- http://itc-nekretnine.hr/files/free-robux-com_GM431946152.pdf
- https://www.itc-nekretnine.hr/files/minecraft-pvp-hacks_GM479516143.pdf
- http://itc-nekretnine.hr/files/coin-master-generator-hack_GM406889139.pdf
- https://www.itc-nekretnine.hr/files/actual-free-robux_GM431946152.pdf
- http://itc-nekretnine.hr/files/best-way-to-get-free-robux_GM431946152.pdf
- https://www.itc-nekretnine.hr/files/free-roblox-card-codes-no-survey-no-download_GM431946152.pdf
- http://itc-nekretnine.hr/files/how-to-get-free-hats-on-roblox-2021_GM431946152.pdf
- http://itc-nekretnine.hr/files/tiktok-free-key_GM835599320.pdf
- http://itc-nekretnine.hr/files/how-to-get-free-robux-2021_GM431946152.pdf
- http://itc-nekretnine.hr/files/free-apk-mods-coin-master_GM406889139.pdf
- https://www.itc-nekretnine.hr/files/official-coin-master-free-spins_GM406889139.pdf
- https://www.itc-nekretnine.hr/files/woman-roblox_GM431946152.pdf
- https://www.itc-nekretnine.hr/files/how-to-make-a-free-server-in-minecraft-java_GM479516143.pdf
- https://www.itc-nekretnine.hr/files/free-tiktok-views_GM835599320.pdf
- https://www.itc-nekretnine.hr/files/script-executor-roblox-free_GM431946152.pdf
- https://www.itc-nekretnine.hr/files/how-to-get-free-robux-no-human-verification-2021_GM431946152.pdf
- https://www.itc-nekretnine.hr/files/free-robux-kid-friendly-no-human-verification_GM431946152.pdf
- https://www.itc-nekretnine.hr/files/coin-master-hack-version-2021-download_GM406889139.pdf
- http://itc-nekretnine.hr/files/free-robux-without-human-verification-2021_GM431946152.pdf
- https://www.itc-nekretnine.hr/files/hack-adopt-me-roblox-link_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_off00004f55.bin` `39eb568b5a32f0010cff8a8723aca3e863b7de118fd1f182e5fb4f60302b7df8`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4F55	28748 bytes
`font_01_sfnt_off000091ae.bin` `809eca9a7db0ee6d21898569871e10efa33f3a86a2e6f692037f7108e26e8ec6`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x91AE	19020 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.