PDF malware analysis — malicious · f2beb753c0cef5e8

MALICIOUS

PDF

39.6 KB Created: 2021-04-26 03:31:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-23

MD5: 65a89e37df1305dfd8f4e58281826c0b SHA-1: af93bd70f2b62fb869e145f71fffc5417ee3566d SHA-256: f2beb753c0cef5e87e114b147ad8abfcac2f19097323ca914ed06dcf8d43267f

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.9941

Heuristics 4

PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE

PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
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/robux-hack-tool-2021-game-hack PDF link annotation
- https://redaksi9.com/new/public/ckfinder/userfiles/files/roblox-apocalypse-rising-hack-download.pdfIn PDF document text
- https://redaksi9.com/new/public/ckfinder/userfiles/files/free-roblox-menus.pdfIn PDF document text
- https://redaksi9.com/new/public/ckfinder/userfiles/files/how-to-get-the-doge-package-for-free-roblox.pdfIn PDF document text
- https://redaksi9.com/new/public/ckfinder/userfiles/files/roblox-pants-template-download-free.pdfIn PDF document text
- https://redaksi9.com/new/public/ckfinder/userfiles/files/roblox-free-cape-catalog.pdfIn PDF document text
- https://redaksi9.com/new/public/ckfinder/userfiles/files/walkspeed-hack-roblox.pdfIn PDF document text
- https://redaksi9.com/new/public/ckfinder/userfiles/files/booga-booga-roblox-hacker.pdfIn PDF document text
- https://redaksi9.com/new/public/ckfinder/userfiles/files/how-to-download-roblox-robux-hack.pdfIn PDF document text
- https://redaksi9.com/new/public/ckfinder/userfiles/files/free-robux-rbx-tools.pdfIn PDF document text
- https://redaksi9.com/new/public/ckfinder/userfiles/files/roblox-admin-commands-free.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00003db0.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x3DB0	25132 bytes
SHA-256: `38e9cf5c513d7ff3ebbefc80217ace927903202185099849b749d9e106bb546b`
`font_01_sfnt_off00007763.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7763	18724 bytes
SHA-256: `e39360fa36c2ff2b6625b889c2276ecd1510e3d5eb5a8a09b764cf14589f1b85`

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