PDF malware analysis — malicious · 93f7710085a4b50e

MALICIOUS

PDF

43.1 KB Created: 2021-05-13 06:31:26 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 2b9924b3325e83b0fc9f2ff77d804341 SHA-1: 5e5c76d3f7a2f84cd3f7f032912aeb32a0603438 SHA-256: 93f7710085a4b50ec91d35b6358fa3a397176d877831c8bf81aa8a22abfeb0ba

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document contains numerous embedded URLs and a link farm heuristic, indicating it is designed to redirect users to external sites. The document body and extracted URLs suggest a lure for game cheats and hacks, likely leading to malware downloads. The ML classifier also flagged this PDF as malicious with high confidence.

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/free-robux-giveaway-live-game-hack
- https://bengkellaskita.com/new/public/ckfinder/userfiles/files/hack-coin-master-android-game_GM406889139.pdf
- https://bengkellaskita.com/new/public/ckfinder/userfiles/files/free-robux-no-human-verification_GM431946152.pdf
- https://bengkellaskita.com/new/public/ckfinder/userfiles/files/com-roblox_GM431946152.pdf
- https://bengkellaskita.com/new/public/ckfinder/userfiles/files/free-coin-master-spins-link_GM406889139.pdf
- https://bengkellaskita.com/new/public/ckfinder/userfiles/files/coin-master-free-spins-and-coins-link-haktuts_GM406889139.pdf
- https://bengkellaskita.com/new/public/ckfinder/userfiles/files/make-your-own-minecraft-server-free_GM479516143.pdf
- https://bengkellaskita.com/new/public/ckfinder/userfiles/files/coin-master-free-spins-and-free-coins_GM406889139.pdf
- https://bengkellaskita.com/new/public/ckfinder/userfiles/files/how-to-hack-coin-master-apkmody_GM406889139.pdf
- https://bengkellaskita.com/new/public/ckfinder/userfiles/files/minecraft-116-free-download_GM479516143.pdf
- https://bengkellaskita.com/new/public/ckfinder/userfiles/files/coin-master-update-2021_GM406889139.pdf
- https://bengkellaskita.com/new/public/ckfinder/userfiles/files/how-to-get-free-minecraft-coins_GM479516143.pdf
- https://bengkellaskita.com/new/public/ckfinder/userfiles/files/free-hacks-for-coin-master_GM406889139.pdf
- https://bengkellaskita.com/new/public/ckfinder/userfiles/files/coin-master-hack-mod-apk-free-download_GM406889139.pdf
- https://bengkellaskita.com/new/public/ckfinder/userfiles/files/hack-a-game_GM431946152.pdf
- https://bengkellaskita.com/new/public/ckfinder/userfiles/files/coin-master-hack-link_GM406889139.pdf
- https://bengkellaskita.com/new/public/ckfinder/userfiles/files/game-give-free-robux_GM431946152.pdf
- https://bengkellaskita.com/new/public/ckfinder/userfiles/files/minecraft-wurst-hacked-client_GM479516143.pdf
- https://bengkellaskita.com/new/public/ckfinder/userfiles/files/coinmaster-spins_GM406889139.pdf
- https://bengkellaskita.com/new/public/ckfinder/userfiles/files/minecraft-launcher-download-free_GM479516143.pdf
- https://bengkellaskita.com/new/public/ckfinder/userfiles/files/coin-master-hack-ios-no-verification_GM406889139.pdf
- https://rblx.land
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004a12.bin` `7d11cd5c1d4e53c6ecd75f5234d18a76365d62b2e97911d1d17600ebb247ac26`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4A12	25080 bytes
`font_01_sfnt_off00008457.bin` `3db94d24ba3abe2bdb9d310b65f8480e65e9005ffe127367b6d2ef8ae08c9d7b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8457	18820 bytes

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