PDF malware analysis — malicious · 8cd203387e6217a3

MALICIOUS

PDF

35.0 KB Created: 2021-07-01 20:58:22 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 1cef26aced006b1eb251cac54024408c SHA-1: 0979fb49f4048c8d148351ae836e4d5c77af7a53 SHA-256: 8cd203387e6217a3609c999d67bcf4bbe5700a7c3abed1d2d7d773efd391056b

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains numerous links to external websites, many of which are SEO-optimized and point to files offering game hacks and cheats. The ML classifier strongly indicates maliciousness, and the presence of a download button lure reinforces the deceptive nature of the document. The primary goal appears to be directing users to download potentially harmful files from the listed URLs.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/free-tickets-generator-roblox-game-hack
- https://kaospartai-murah.com/ckfinder/userfiles/files/roblox-free-robux-2021_GM431946152.pdf
- https://kaospartai-murah.com/ckfinder/userfiles/files/how-to-hack-roblox-for-robux-on-phone_GM431946152.pdf
- https://kaospartai-murah.com/ckfinder/userfiles/files/how-to-get-free-robux-without-verification-2021_GM431946152.pdf
- https://kaospartai-murah.com/ckfinder/userfiles/files/sites-to-get-free-robux_GM431946152.pdf
- https://kaospartai-murah.com/ckfinder/userfiles/files/free-robux-codes_GM431946152.pdf
- https://kaospartai-murah.com/ckfinder/userfiles/files/free-robux-games-that-actually-work-2021_GM431946152.pdf
- https://kaospartai-murah.com/ckfinder/userfiles/files/coin-master-hack-apk-download_GM406889139.pdf
- https://kaospartai-murah.com/ckfinder/userfiles/files/free-spins-coin-master-unlimited_GM406889139.pdf
- https://kaospartai-murah.com/ckfinder/userfiles/files/10-free-spins-coin-master_GM406889139.pdf
- https://kaospartai-murah.com/ckfinder/userfiles/files/free-robux-codes-2021-october_GM431946152.pdf
- https://kaospartai-murah.com/ckfinder/userfiles/files/top-10-los-mejores-no-hack-de-roblox_GM431946152.pdf
- https://kaospartai-murah.com/ckfinder/userfiles/files/hacking-roblox-zombie_GM431946152.pdf
- https://kaospartai-murah.com/ckfinder/userfiles/files/coin-master-hack-tool-download_GM406889139.pdf
- https://kaospartai-murah.com/ckfinder/userfiles/files/roblox-ban-proof-hack_GM431946152.pdf
- https://kaospartai-murah.com/ckfinder/userfiles/files/roblox-how-to-get-free-robux-and-tix_GM431946152.pdf
- https://kaospartai-murah.com/ckfinder/userfiles/files/robux-hack-free-robux_GM431946152.pdf
- https://kaospartai-murah.com/ckfinder/userfiles/files/coin-master-free-spins-link-download_GM406889139.pdf
- https://kaospartai-murah.com/ckfinder/userfiles/files/free-robux-no-spam_GM431946152.pdf
- https://kaospartai-murah.com/ckfinder/userfiles/files/games-to-get-free-robux_GM431946152.pdf
- https://kaospartai-murah.com/ckfinder/userfiles/files/roblox-promo-codes-free-robux_GM431946152.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_off00003041.bin` `097cb191acee05b24578fd235eec333acb44d9b56701f0a63e575eed845826e3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3041	22920 bytes
`font_01_sfnt_off000063a1.bin` `d1b4b3cd1645c1b7bbee3bfdab9a74ab1745fa23b3500563fca6dd9620f2673a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x63A1	19044 bytes

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