PDF malware analysis — malicious · ab0bd47452d9dab9

MALICIOUS

PDF

43.7 KB Created: 2021-04-23 12:48:39 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-24

MD5: ae92cc4f6fb7b4dbca293812e75b6b36 SHA-1: 911c1c5dd1a46e2c8cba7215d3e1108301c7a478 SHA-256: ab0bd47452d9dab908635e4c6dd075ba9056a023de9d87ae3e545156e36336ae

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a lure related to hacking Roblox accounts, directing users to malicious URLs. The document body and heuristics indicate a phishing attempt to redirect users to external sites, likely for credential harvesting or malware distribution. No scripts were extracted, but the presence of multiple malicious URLs and the 'GAME_HACK_REDIRECT_LURE' heuristic strongly suggest a malicious intent.

Machine Learning

Nyx PDF Classifier malicious score 0.9868

Heuristics 4

PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
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://netsecure.top/app/431946152/how-to-hack-roblox-accounts-2021-october-game-hack PDF link annotation
- http://uas.com.my/uploaded_files/userfiles/files/free-roblox-promo-codes-december-2021.pdfIn PDF document text
- http://uas.com.my/uploaded_files/userfiles/files/real-hack-for-robux-inspect.pdfIn PDF document text
- http://uas.com.my/uploaded_files/userfiles/files/how-to-get-free-robux-without-having-to-do-anything.pdfIn PDF document text
- http://uas.com.my/uploaded_files/userfiles/files/how-to-get-free-stuff-roblox-2021.pdfIn PDF document text
- http://uas.com.my/uploaded_files/userfiles/files/hacked-shirts-roblox.pdfIn PDF document text
- http://uas.com.my/uploaded_files/userfiles/files/grow-box-free-robux.pdfIn PDF document text
- http://uas.com.my/uploaded_files/userfiles/files/command-to-give-u-free-robux.pdfIn PDF document text
- http://uas.com.my/uploaded_files/userfiles/files/descargar-hack-roblox-robux.pdfIn PDF document text
- http://uas.com.my/uploaded_files/userfiles/files/swat-simulator-roblox-hack.pdfIn PDF document text
- http://uas.com.my/uploaded_files/userfiles/files/roblox-free-play-download.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off0000405d.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x405D	25204 bytes
SHA-256: `85eaaad0d5a3c040ffde4e2f07ae5dfcea719c591616eb62ca1631ccb132693c`
`font_01_sfnt_off000079c3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x79C3	3884 bytes
SHA-256: `40b61f8938bd710dc29dc58ba3fde91c245a6a69596ec569b4d27c769ca417cf`
`font_02_sfnt_off0000866a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x866A	18992 bytes
SHA-256: `583f0dea74911fa1383b632cd750099c9e388dc92991a670e74ca14c6fb8ed6e`

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