PDF malware analysis — malicious · de5530ec46fdfdc9

MALICIOUS

PDF

43.8 KB Created: 2021-05-14 03:15:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: c10e5a71ad86a9f33f71fe6ad42e6fbf SHA-1: f97dc9424c3353ecbe22793e57cab02926ad994a SHA-256: de5530ec46fdfdc9011211034ce7ddb4798a3aff907259458bd378c0bf6d5f16

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a large number of external links, many of which are SEO-optimized slugs pointing to other PDF documents. The primary URL, https://netcdn.xyz/app/431946152/how-to-get-free-roebucks-in-roblox-game-hack, suggests a lure for free in-game currency or hacks. The ML classifier also strongly indicated maliciousness. The document body contains obfuscated text and URLs, indicating an attempt to disguise the malicious intent.

Machine Learning

Nyx PDF Classifier malicious score 0.9969

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/how-to-get-free-roebucks-in-roblox-game-hack
- http://drentklubben.se/images/how-to-make-your-own-minecraft-server-for-free_GM479516143.pdf
- http://drentklubben.se/images/how-to-get-minecraft-for-free-on-pc_GM479516143.pdf
- http://drentklubben.se/images/coin-master-free-spins-for-today_GM406889139.pdf
- http://drentklubben.se/images/login-robux_GM431946152.pdf
- http://drentklubben.se/images/how-to-get-free-things-on-roblox_GM431946152.pdf
- http://drentklubben.se/images/fb-coin-master-free-spins-link_GM406889139.pdf
- http://drentklubben.se/images/boost9-com-roblox-hack_GM431946152.pdf
- http://drentklubben.se/images/www-roblox-com-free-robux_GM431946152.pdf
- http://drentklubben.se/images/good-free-minecraft-server-hosting_GM479516143.pdf
- http://drentklubben.se/images/robux-generator-2021_GM431946152.pdf
- http://drentklubben.se/images/windows-10-minecraft-hacks_GM479516143.pdf
- http://drentklubben.se/images/archery-master-3d-coins-hack_GM406889139.pdf
- http://drentklubben.se/images/coin-master-links-for-today_GM406889139.pdf
- http://drentklubben.se/images/minecraft-mod-updater_GM479516143.pdf
- http://drentklubben.se/images/free-coins-spins-on-coin-master_GM406889139.pdf
- http://drentklubben.se/images/coin-master-hack-spins-2021_GM406889139.pdf
- http://drentklubben.se/images/coin-master-hack-2021-no-survey_GM406889139.pdf
- http://drentklubben.se/images/freecoins_GM406889139.pdf
- http://drentklubben.se/images/coin-master-free-spins-link-2021_GM406889139.pdf
- http://drentklubben.se/images/abd-roblox_GM431946152.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004bc6.bin` `2e96b41f999c63aae367d69e50dd49922f1286e3ab3d809aa33e31f1728b53a9`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4BC6	25808 bytes
`font_01_sfnt_off00008808.bin` `6a418ba74ae5328d563bd5a35238a9b9c08fdc9000a9cbda284a157467e29bc0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8808	18524 bytes

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