PDF malware analysis — malicious · d044249886e2183f

MALICIOUS

PDF

34.0 KB Created: 2021-07-06 07:08:26 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 953838f1a344bd5c48ae1cdb59396f5e SHA-1: 8d3276522df37451189d3e077bcc556df2d899fc SHA-256: d044249886e2183fbda675bfeea318494e9efde9f07b480164e32af1ea972981

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document contains numerous links to external websites, many of which are SEO-optimized to appear as resources for game cheats and hacks. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of such links, suggesting a malicious intent to redirect users to potentially harmful content. The ML classifier also strongly flagged this PDF as malicious.

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/479516143/best-free-hacked-client-game-hack
- http://chem.ipb.ac.id/kim/repository/how-to-get-free-robux-no-inspect-2021_GM431946152.pdf
- http://chem.ipb.ac.id/kim/repository/free-minecraft-mods-for-xbox-one_GM479516143.pdf
- http://chem.ipb.ac.id/kim/repository/coin-master-free-spins-cheat-deutsch_GM406889139.pdf
- http://chem.ipb.ac.id/kim/repository/roblox-jailbreak-hack_GM431946152.pdf
- http://chem.ipb.ac.id/kim/repository/no-human-verification-coin-master-hack_GM406889139.pdf
- http://chem.ipb.ac.id/kim/repository/is-roblox-free-on-xbox_GM431946152.pdf
- http://chem.ipb.ac.id/kim/repository/minecraft-bedrock-free-server-hosting_GM479516143.pdf
- http://chem.ipb.ac.id/kim/repository/coin-master-hacks-to-get-spins_GM406889139.pdf
- http://chem.ipb.ac.id/kim/repository/how-to-get-free-money-on-bloxburg-roblox_GM431946152.pdf
- http://chem.ipb.ac.id/kim/repository/coin-master-free-spins-link-2021_GM406889139.pdf
- http://chem.ipb.ac.id/kim/repository/free-draw-roblox_GM431946152.pdf
- http://chem.ipb.ac.id/kim/repository/how-to-get-minecraft-for-free-on-mobile_GM479516143.pdf
- http://chem.ipb.ac.id/kim/repository/how-to-look-cool-on-roblox-free_GM431946152.pdf
- http://chem.ipb.ac.id/kim/repository/how-to-hack-youtubers-on-roblox_GM431946152.pdf
- http://chem.ipb.ac.id/kim/repository/mcpe-master-unlimited-coins-hack-apk_GM406889139.pdf
- http://chem.ipb.ac.id/kim/repository/how-do-i-get-free-spins-in-coin-master_GM406889139.pdf
- http://chem.ipb.ac.id/kim/repository/hack-into-roblox-accounts_GM431946152.pdf
- http://chem.ipb.ac.id/kim/repository/noclip-roblox-download-free_GM431946152.pdf
- http://chem.ipb.ac.id/kim/repository/roblox-army-free-robux_GM431946152.pdf
- http://chem.ipb.ac.id/kim/repository/40-free-spins-coin-master_GM406889139.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_off00002ec8.bin` `ae397c9c7e717e7f27751a733b01914ac58ff816976ff34b4fae597f264efe47`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2EC8	22928 bytes
`font_01_sfnt_off000061e5.bin` `30a52969145c4462e55411ad2bdd119d3b853d610f01b932459d70175376574b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x61E5	18492 bytes

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