PDF malware analysis — malicious · 65956f3b5de87d3f

MALICIOUS

PDF

34.1 KB Created: 2021-06-26 23:44:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 4f52c1924c4101bd41009165b04192cb SHA-1: ba2c2b0765be7fb386b4dd33626828cadbc40961 SHA-256: 65956f3b5de87d3f6daa30a4f0514dd5f7c7795de391e4fb15a69a8f84dd5122

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF document contains numerous links to external resources, many of which are hosted on a domain associated with a link farm. The document body and extracted URLs suggest a lure for game cheats and exploits, likely leading to malware download. The ML classifier strongly indicates malicious intent.

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/how-to-walk-through-walls-in-roblox-cheat-engine-2021-game-hack
- https://perpus.uwhs.ac.id/repository/free-swords-roblox_GM431946152.pdf
- https://perpus.uwhs.ac.id/repository/2021-no-human-verification-hack-for-coin-master_GM406889139.pdf
- https://perpus.uwhs.ac.id/repository/how-to-fix-a-hacked-roblox-game_GM431946152.pdf
- https://perpus.uwhs.ac.id/repository/free-robux-com-no-verification_GM431946152.pdf
- https://perpus.uwhs.ac.id/repository/free-robux-games-that-actually-work-2021_GM431946152.pdf
- https://perpus.uwhs.ac.id/repository/bloxland-fre-robux_GM431946152.pdf
- https://perpus.uwhs.ac.id/repository/roblox-hack-unlimited-robux_GM431946152.pdf
- https://perpus.uwhs.ac.id/repository/free-t-shirt-roblox-catalog_GM431946152.pdf
- https://perpus.uwhs.ac.id/repository/roblox-ip-tracker-hack_GM431946152.pdf
- https://perpus.uwhs.ac.id/repository/hacks-para-conseguir-robux-gratis_GM431946152.pdf
- https://perpus.uwhs.ac.id/repository/is-there-actually-a-hack-to-get-free-robux_GM431946152.pdf
- https://perpus.uwhs.ac.id/repository/how-to-hack-roblox-accounts_GM431946152.pdf
- https://perpus.uwhs.ac.id/repository/free-roblox-accounts-that-work_GM431946152.pdf
- https://perpus.uwhs.ac.id/repository/coin-master-hack-2021-no-survey_GM406889139.pdf
- https://perpus.uwhs.ac.id/repository/minecraft-windows-10-free_GM479516143.pdf
- https://perpus.uwhs.ac.id/repository/coin-master-heaven-free-spins-link-2021-today_GM406889139.pdf
- https://perpus.uwhs.ac.id/repository/how-to-use-hacks-on-roblox_GM431946152.pdf
- https://perpus.uwhs.ac.id/repository/haktuts-coin-master-free-daily-spins_GM406889139.pdf
- https://perpus.uwhs.ac.id/repository/roblox-promo-codes-free-robux_GM431946152.pdf
- https://perpus.uwhs.ac.id/repository/how-to-get-free-robux-without-offers_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_off00002e07.bin` `104fbc3fa5a1163d85db50ee649cc3308fd9145baf15ec57b32be0f0b2c943d1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2E07	21600 bytes
`font_01_sfnt_off00005d61.bin` `7989beca48108fb9a03f9e37709925052be45e2317656b8c4cec09ecbb7c3c67`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5D61	19948 bytes

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