PDF malware analysis — malicious · 25ac15b5d5af85a0

MALICIOUS

PDF

43.9 KB Created: 2021-06-03 17:06:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 1d45945ec0bb3f3adff9ae936239af5e SHA-1: 25c4b1846da9a98faf164ccf6986757752d40ce0 SHA-256: 25ac15b5d5af85a00e7fa3668edc71135882f9004323f1b6e6f18e31443841e4

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The document employs a fake CAPTCHA lure to deceive users into downloading a payload from the embedded URL. The presence of numerous URLs pointing to game hacks and cheats suggests a social engineering tactic to entice users into executing malicious content. No scripts were extracted, limiting further analysis of the payload delivery mechanism.

Machine Learning

Nyx PDF Classifier malicious score 0.9865

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.online/app/406889139/kachifpro-game-hack
- http://rkh.go.th/ckfinder/userfiles/files/coin-master-online-hack_GM406889139.pdf
- http://rkh.go.th/ckfinder/userfiles/files/coin-master-level-3_GM406889139.pdf
- http://rkh.go.th/ckfinder/userfiles/files/free-robux-without-verify_GM431946152.pdf
- http://rkh.go.th/ckfinder/userfiles/files/free-tiktok-comments_GM835599320.pdf
- http://rkh.go.th/ckfinder/userfiles/files/free-800-robux_GM431946152.pdf
- http://rkh.go.th/ckfinder/userfiles/files/freer-pro-tiktok-fans_GM835599320.pdf
- http://rkh.go.th/ckfinder/userfiles/files/pokemon-go-for-free-app_GM1094591345.pdf
- http://rkh.go.th/ckfinder/userfiles/files/coin-master-free-spins-for-today_GM406889139.pdf
- http://rkh.go.th/ckfinder/userfiles/files/coin-master-heaven-free-spins_GM406889139.pdf
- http://rkh.go.th/ckfinder/userfiles/files/get-free-robux-2021_GM431946152.pdf
- http://rkh.go.th/ckfinder/userfiles/files/pro-free-spins-coin-master_GM406889139.pdf
- http://rkh.go.th/ckfinder/userfiles/files/how-to-hack-in-roblox-prison-life_GM431946152.pdf
- http://rkh.go.th/ckfinder/userfiles/files/best-hack-for-coin-master-2021_GM406889139.pdf
- http://rkh.go.th/ckfinder/userfiles/files/how-to-get-free-robux-in-2021_GM431946152.pdf
- http://rkh.go.th/ckfinder/userfiles/files/coin-master-connection-lost-hack_GM406889139.pdf
- http://rkh.go.th/ckfinder/userfiles/files/free-robux-2021-no-human-verification_GM431946152.pdf
- http://rkh.go.th/ckfinder/userfiles/files/free-tiktok-likes-generator_GM835599320.pdf
- http://rkh.go.th/ckfinder/userfiles/files/coin-master_GM406889139.pdf
- http://rkh.go.th/ckfinder/userfiles/files/how-to-get-more-spins-on-coin-master-for-free_GM406889139.pdf
- http://rkh.go.th/ckfinder/userfiles/files/free-spins-coin-master-hack-2021_GM406889139.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_off000051d7.bin` `b7a33ad6d4771df18bbae87aaf291e6068eaf140deddd05c40ef428c963737c1`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x51D7	25264 bytes
`font_01_sfnt_off00008a81.bin` `f5f16e9fe06415f99f9f196ec79e922628d3dac9c37f6a7894d79eeb781dffd0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8A81	17784 bytes

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