PDF malware analysis — malicious · 45d3700300d1ec93

MALICIOUS

PDF

50.3 KB Created: 2021-06-14 00:51:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 1301b8c76d54c0cf9cf3e5233e394177 SHA-1: 508f956fb8673ebf5c41ceb36fbe5c77453b516a SHA-256: 45d3700300d1ec931bc51e1a8fb2a267805fb095197c827afa0f666bd158f792

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious File

The PDF document contains numerous links to external resources, many of which are presented as PDF files related to game cheats and hacks. The primary URL, http://netcdn.co/app/431946152/roblox-cheat-2021-with-temp-files-game-hack, likely hosts a malicious executable disguised as a game cheat. The heuristic findings indicate a link farm designed to lure users to download potentially harmful content.

Machine Learning

Nyx PDF Classifier malicious score 0.9349

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/roblox-cheat-2021-with-temp-files-game-hack
- https://jdclassicautoparts.com/image/data/files/is-minecraft-free-on-xbox_GM479516143.pdf
- https://jdclassicautoparts.com/image/data/files/can-you-actually-get-free-robux_GM431946152.pdf
- https://jdclassicautoparts.com/image/data/files/coin-master-free-blogspot_GM406889139.pdf
- https://jdclassicautoparts.com/image/data/files/how-to-get-free-robux-easy-hack_GM431946152.pdf
- https://jdclassicautoparts.com/image/data/files/coin-master-free-spins-link-2021-march_GM406889139.pdf
- https://jdclassicautoparts.com/image/data/files/free-robux-games-on-roblox_GM431946152.pdf
- https://jdclassicautoparts.com/image/data/files/best-free-minecraft-server-hosting_GM479516143.pdf
- https://jdclassicautoparts.com/image/data/files/free-hair-roblox_GM431946152.pdf
- https://jdclassicautoparts.com/image/data/files/how-to-cheat-in-roblox_GM431946152.pdf
- https://jdclassicautoparts.com/image/data/files/coin-master-hacking-news_GM406889139.pdf
- https://jdclassicautoparts.com/image/data/files/how-to-get-free-robux-without-paying_GM431946152.pdf
- https://jdclassicautoparts.com/image/data/files/how-to-get-free-robux-by-playing-games_GM431946152.pdf
- https://jdclassicautoparts.com/image/data/files/how-to-get-free-clothes-on-roblox-2021_GM431946152.pdf
- https://jdclassicautoparts.com/image/data/files/coin-master-free-spins-and-coins-without-human-verification_GM406889139.pdf
- https://jdclassicautoparts.com/image/data/files/how-to-hack-coin-master-ios_GM406889139.pdf
- https://jdclassicautoparts.com/image/data/files/daily-free-spins-on-coin-master_GM406889139.pdf
- https://jdclassicautoparts.com/image/data/files/roblox-sexually_GM431946152.pdf
- https://jdclassicautoparts.com/image/data/files/coinmaster-rewards_GM406889139.pdf
- https://jdclassicautoparts.com/image/data/files/2021-free-spins-coin-master-link_GM406889139.pdf
- https://jdclassicautoparts.com/image/data/files/how-to-get-free-robux-without-surveys_GM431946152.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004db7.bin` `3a067975d2e697bdbcf0d9571f95c485030bc56cbdd1bbf58eb5df8dc7f6f890`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4DB7	31056 bytes
`font_01_sfnt_off000094d8.bin` `d88f25cfe237a714f996150a11dd8a058f0f7c3e9d1ae91c17b46c10409b6c0b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x94D8	2820 bytes
`font_02_sfnt_off00009e73.bin` `1181d87356108a2da4edb24a05cff6a02baeabaf7ecae82152d7165628e8867b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9E73	19600 bytes

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