PDF malware analysis — malicious · 0e022c23296249e2

MALICIOUS

PDF

43.0 KB Created: 2021-05-16 05:37:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 888678b6b80151c8081d2deeb389fb58 SHA-1: d4b54022789ab473b6015347e48257bf55cb7a44 SHA-256: 0e022c23296249e2b893b606345453ab4066e90d6aacecccbddb9b20cfdcd01c

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded links, forming a link farm, that direct users to websites offering 'free Robux' or game hacks. The primary URL, https://netcdn.xyz/app/431946152/can-i-get-free-robux-game-hack, is likely a malicious landing page designed to exploit user interest in free in-game currency. The heuristic PDF_SEO_LINK_FARM indicates a large number of external links, suggesting a coordinated effort to distribute malicious content. No scripts were extracted, but the embedded URLs and link farm structure strongly suggest a phishing or malware distribution attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

Heuristics 4

Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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/can-i-get-free-robux-game-hack
- http://w-i-r.de/images/free-roblox-accounts-with-robux-that-work-2021_GM431946152.pdf
- http://w-i-r.de/images/coin-master-hack-cheat-generator-coins-and-spins-unlimited_GM406889139.pdf
- http://w-i-r.de/images/how-to-install-minecraft-for-free_GM479516143.pdf
- http://w-i-r.de/images/robux-free-robux_GM431946152.pdf
- http://w-i-r.de/images/coin-master-instagram-free-spins_GM406889139.pdf
- http://w-i-r.de/images/free-chest-coin-master_GM406889139.pdf
- http://w-i-r.de/images/how-do-you-get-minecraft-for-free_GM479516143.pdf
- http://w-i-r.de/images/free-robux-earn_GM431946152.pdf
- http://w-i-r.de/images/coin-master-free-spins-link-2021_GM406889139.pdf
- http://w-i-r.de/images/get-robux-for-free-2021_GM431946152.pdf
- http://w-i-r.de/images/free-spins-coin-master_GM406889139.pdf
- http://w-i-r.de/images/how-to-hack-in-arsenal_GM431946152.pdf
- http://w-i-r.de/images/online-coin-master-free-spin-app_GM406889139.pdf
- http://w-i-r.de/images/coin-master-daily-free-coins-link-today_GM406889139.pdf
- http://w-i-r.de/images/how-to-hack-someone-on-roblox_GM431946152.pdf
- http://w-i-r.de/images/i-want-free-robux_GM431946152.pdf
- http://w-i-r.de/images/coin-master-hack-ios-no-verification_GM406889139.pdf
- http://w-i-r.de/images/daily-coin-master-free-spin-link-facebook_GM406889139.pdf
- http://w-i-r.de/images/free-coin-coin-master_GM406889139.pdf
- http://w-i-r.de/images/pig-master-coin-master-free-spin_GM406889139.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000046a4.bin` `89ba96b3a19da845a246c5cce3721b3cd2190079c52c5deb27e8130fb8ca80ce`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x46A4	27284 bytes
`font_01_sfnt_off000085b4.bin` `a3821bea5d8002917ca36036ff520c3c0be187df4be91a81bd8356ddd2b369c9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x85B4	18344 bytes

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