PDF malware analysis — malicious · 0ea830a0b0af1936

MALICIOUS

PDF

34.5 KB Created: 2021-07-06 01:12:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 745dc7a1542c8fee634d250b892ee7a3 SHA-1: ad140a7c15f6ef52306cf4a4b0081a4874f1b637 SHA-256: 0ea830a0b0af19362b2f32e5fd0bff78706cd869edeee4bb47ebd699c27a2262

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded links to external websites, many of which are SEO-optimized PDFs related to game cheats and free items. The document body and embedded links suggest a lure for users seeking in-game advantages, likely leading to credential harvesting or malware. The ML classifier strongly indicated maliciousness, and the PDF structure with a mass of external links is a known technique for distributing malicious content.

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.tw/app/406889139/coin-master-free-spins-link-2021-today-game-hack
- https://jasabuatlabel.com/ckfinder/userfiles/files/free-promo-codes-roblox-group_GM431946152.pdf
- https://jasabuatlabel.com/ckfinder/userfiles/files/coin-master-links-for-free-spins-2021_GM406889139.pdf
- https://jasabuatlabel.com/ckfinder/userfiles/files/roblox-hack-codes_GM431946152.pdf
- https://jasabuatlabel.com/ckfinder/userfiles/files/free-minecraft-account-and-password-2021_GM479516143.pdf
- https://jasabuatlabel.com/ckfinder/userfiles/files/exploit-roblox-download-free_GM431946152.pdf
- https://jasabuatlabel.com/ckfinder/userfiles/files/robux-free-c_GM431946152.pdf
- https://jasabuatlabel.com/ckfinder/userfiles/files/free-tiktok-likes-and-followers_GM835599320.pdf
- https://jasabuatlabel.com/ckfinder/userfiles/files/royale-high-roblox-free-diamonds_GM431946152.pdf
- https://jasabuatlabel.com/ckfinder/userfiles/files/free-spins-and-coins-on-coin-master_GM406889139.pdf
- https://jasabuatlabel.com/ckfinder/userfiles/files/coin-master-hack-without-human-verification_GM406889139.pdf
- https://jasabuatlabel.com/ckfinder/userfiles/files/hack-para-tener-robux-rapido_GM431946152.pdf
- https://jasabuatlabel.com/ckfinder/userfiles/files/roblox-printables-free_GM431946152.pdf
- https://jasabuatlabel.com/ckfinder/userfiles/files/how-to-cheat-in-roblox-tower-of-hell_GM431946152.pdf
- https://jasabuatlabel.com/ckfinder/userfiles/files/coin-master-daily-free-spins-link-2021_GM406889139.pdf
- https://jasabuatlabel.com/ckfinder/userfiles/files/free-gamepasse-roblox_GM431946152.pdf
- https://jasabuatlabel.com/ckfinder/userfiles/files/el-mejor-hack-de-roblox-del-mundio_GM431946152.pdf
- https://jasabuatlabel.com/ckfinder/userfiles/files/free-coin-master-spins-link_GM406889139.pdf
- https://jasabuatlabel.com/ckfinder/userfiles/files/coin-master-daily-free-spins-link-today_GM406889139.pdf
- https://jasabuatlabel.com/ckfinder/userfiles/files/coin-master-daily-free-spins-link-2021-today_GM406889139.pdf
- https://jasabuatlabel.com/ckfinder/userfiles/files/free-robux-codes-june-2021_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_002_off000030ba.bin` `616b78be41cfe5070f0a18c2a533f930db190a50b189808db7f6311929b7093f`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x30BA	22052 bytes
`font_01_sfnt_off00006187.bin` `de35a114d8e8c4fc4d70d52a756b20ceb128d757b6ef9e01fa5e276a673837de`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6187	19100 bytes

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