PDF malware analysis — malicious · d37220149980f6d4

MALICIOUS

PDF

33.9 KB Created: 2021-07-05 22:21:26 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 5245108e5b85dee7167e0d41e75f9c4a SHA-1: 02ecedc2e83d5aa75a79253e1840082e68d4858e SHA-256: d37220149980f6d47c52cdf4812a232d7bebd5c0e50c3169c12543c6376d14b0

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The document displays a fake CAPTCHA lure to trick users into downloading a malicious file from the embedded URL. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted, but the presence of a fake CAPTCHA and numerous download-related URLs strongly suggests a phishing or scam attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.tw/app/479516143/minecraft-free-trial-game-hack
- http://digilib.iailm.ac.id//repository/free-robux-just-enter-username-and-password_GM431946152.pdf
- http://digilib.iailm.ac.id/repository/free-robux-promo-code-for-blox-land_GM431946152.pdf
- http://digilib.iailm.ac.id/repository/coin-master-daily-free-spins-link-blogspot_GM406889139.pdf
- http://digilib.iailm.ac.id/repository/bl4z3games-co-free-robux_GM431946152.pdf
- http://digilib.iailm.ac.id/repository/how-to-get-a-free-game-on-roblox_GM431946152.pdf
- http://digilib.iailm.ac.id/repository/how-to-get-spins-for-free-on-coin-master_GM406889139.pdf
- http://digilib.iailm.ac.id/repository/change-roblox-game-account-website-free_GM431946152.pdf
- http://digilib.iailm.ac.id/repository/free-robux-giveawaycom_GM431946152.pdf
- http://digilib.iailm.ac.id//repository/how-to-get-minecraft-for-free-on-iphone-2021_GM479516143.pdf
- http://digilib.iailm.ac.id/repository/coin-master-free-coin-and-spin-app_GM406889139.pdf
- http://digilib.iailm.ac.id/repository/roblox-twisted-murderer-hack-nopde-engine_GM431946152.pdf
- http://digilib.iailm.ac.id/repository/free-headset-in-roblox_GM431946152.pdf
- http://digilib.iailm.ac.id/repository/how-to-get-free-robux-very-easy_GM431946152.pdf
- http://digilib.iailm.ac.id/repository/free-coins-generator-roblox-high-school-2_GM431946152.pdf
- http://digilib.iailm.ac.id/repository/how-to-hack-someones-roblox-account_GM431946152.pdf
- http://digilib.iailm.ac.id/repository/free-robux-no-human-verification-2021_GM431946152.pdf
- http://digilib.iailm.ac.id//repository/safe-hack-for-coin-master-android_GM406889139.pdf
- http://digilib.iailm.ac.id/repository/do-you-get-windows-10-minecraft-for-free-with-java_GM479516143.pdf
- http://digilib.iailm.ac.id/repository/hack-para-robux-generator_GM431946152.pdf
- http://digilib.iailm.ac.id//repository/how-to-make-a-minecraft-java-server-for-free_GM479516143.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_off00003123.bin` `8ca2110e981c9b9abca14ee617951d3a8aafef74ad41a4e784c080a589ba0dd5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3123	22484 bytes
`font_01_sfnt_off000062fa.bin` `0792cf34759639c12fb16c68b09c197272744776153a85f812a9a9f109c9c07c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x62FA	17928 bytes

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