PDF malware analysis — malicious · 290166504c494bbe

MALICIOUS

PDF

40.9 KB Created: 2021-04-23 14:57:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-31

MD5: e6b812336466bf350585d3dd24edb16a SHA-1: cb6baef76d926ec4a6fe853a76f663d9a20bedfb SHA-256: 290166504c494bbef9253319ba18630c941516d70e57c469a18ca9ef56f56da7

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a lure related to 'Roblox Anti Cheat 2021 Script' and a prominent link directing users to a suspicious URL. This suggests a social engineering attack aimed at enticing users to visit a potentially malicious site, likely to download further malware or engage in credential harvesting. No scripts were extracted, but the PDF structure and embedded URI heuristics strongly indicate a phishing or malware distribution attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9941

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/roblox-anti-cheat-2021-script-game-hack PDF link annotation
- https://www.dmgroupksa.com/uploaded_files/userfiles/files/roblox-tab-font-free-download.pdfIn PDF document text
- https://www.dmgroupksa.com/uploaded_files/userfiles/files/roblox-girl-pants-free.pdfIn PDF document text
- https://www.dmgroupksa.com/uploaded_files/userfiles/files/free-roblox-gift-card-codes-2021-junr.pdfIn PDF document text
- https://www.dmgroupksa.com/uploaded_files/userfiles/files/cheat-codes-for-roblox-games.pdfIn PDF document text
- https://www.dmgroupksa.com/uploaded_files/userfiles/files/where-in-roblox-can-i-find-free-gems.pdfIn PDF document text
- https://www.dmgroupksa.com/uploaded_files/userfiles/files/free-wallpapers-for-roblox.pdfIn PDF document text
- https://www.dmgroupksa.com/uploaded_files/userfiles/files/roblox-scripters-for-free.pdfIn PDF document text
- https://www.dmgroupksa.com/uploaded_files/userfiles/files/counter-blox-roblox-offensive-hacks-2021-how-to-get-money.pdfIn PDF document text
- https://www.dmgroupksa.com/uploaded_files/userfiles/files/how-to-get-free-robux-without-installing-anything.pdfIn PDF document text
- https://www.dmgroupksa.com/uploaded_files/userfiles/files/odyssey-roblox-hack.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_off00004040.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4040	26588 bytes
SHA-256: `702c6e130efc114edb65ff7d5c2316d5f6a0fc8a7095c238dd11986fabe91d50`
`font_01_sfnt_off00007bcf.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7BCF	18980 bytes
SHA-256: `bf1c0786da22e9d0d59da1f9fa2aee70db33002335ca2ee5b501f017acca5506`

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