PDF malware analysis — malicious · 175d7934fa77cc16

MALICIOUS

PDF

34.2 KB Created: 2021-06-27 05:40:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27

MD5: 1bc0d6e20dd800decf350d124a93c3a3 SHA-1: 40fb3da5ca287e9b193628ac6b01520f51fb088f SHA-256: 175d7934fa77cc16344a2b9675bf39d5ad0ce6f53e006cbcb43143f4a4f8cb64

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF document contains embedded links and a call-to-action lure related to 'free generator / game hack' content, specifically mentioning 'Roblux Robux Hack'. The primary malicious link identified is http://netcdn.co/app/431946152/roblux-robux-hack-game-hack. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is designed to redirect users to potentially harmful sites.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/roblux-robux-hack-game-hack PDF link annotation
- https://www.sses.com.sa/uploaded_files/userfiles/files/coin-game_GM406889139.pdfIn PDF document text
- https://www.sses.com.sa/uploaded_files/userfiles/files/coin-master-hacks-for-spins_GM406889139.pdfIn PDF document text
- https://www.sses.com.sa/uploaded_files/userfiles/files/coin-master-hack-2021-app_GM406889139.pdfIn PDF document text
- https://www.sses.com.sa/uploaded_files/userfiles/files/how-to-get-daily-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- https://www.sses.com.sa/uploaded_files/userfiles/files/coin-master-heaven-links_GM406889139.pdfIn PDF document text
- https://www.sses.com.sa/uploaded_files/userfiles/files/roblox-zone-free-robux_GM431946152.pdfIn PDF document text
- https://www.sses.com.sa/uploaded_files/userfiles/files/boxing-simulator-2-roblox-hack_GM431946152.pdfIn PDF document text
- https://www.sses.com.sa/uploaded_files/userfiles/files/coin-master-free-cards-link-2021_GM406889139.pdfIn PDF document text
- https://www.sses.com.sa/uploaded_files/userfiles/files/coin-master-free-link-today_GM406889139.pdfIn PDF document text
- https://www.sses.com.sa/uploaded_files/userfiles/files/114-4-hacks_GM479516143.pdfIn PDF document text
- https://www.sses.com.sa/uploaded_files/userfiles/files/coin-master-hack-ios-download_GM406889139.pdfIn PDF document text
- https://www.sses.com.sa/uploaded_files/userfiles/files/free-spin-link-for-coin-master-game_GM406889139.pdfIn PDF document text
- https://www.sses.com.sa/uploaded_files/userfiles/files/free-robux-codes-2021_GM431946152.pdfIn PDF document text
- https://www.sses.com.sa/uploaded_files/userfiles/files/coin-master-free-spins-iphone_GM406889139.pdfIn PDF document text
- https://www.sses.com.sa/uploaded_files/userfiles/files/how-to-hack-roblox-with-nmap_GM431946152.pdfIn PDF document text
- https://www.sses.com.sa/uploaded_files/userfiles/files/minecraft-free-download-unblocked_GM479516143.pdfIn PDF document text
- https://www.sses.com.sa/uploaded_files/userfiles/files/coin-master-hack-cheat-engine_GM406889139.pdfIn PDF document text
- https://www.sses.com.sa/uploaded_files/userfiles/files/how-to-download-minecraft-for-free-on-android_GM479516143.pdfIn PDF document text
- https://www.sses.com.sa/uploaded_files/userfiles/files/how-to-earn-free-robux-fast_GM431946152.pdfIn PDF document text
- https://www.sses.com.sa/uploaded_files/userfiles/files/how-to-get-free-robux-hack-2021_GM431946152.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
`font_00_sfnt_off00002f94.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2F94	22264 bytes
SHA-256: `29bffb704211a8f07138b13adcb9a15b45190f777084598a98b834e304aa6256`
`font_01_sfnt_off00006119.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6119	18796 bytes
SHA-256: `58e40c3e34269ac79a69293d758287f00fb69b9f118cdf42477d519cc60fb10a`

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