PDF malware analysis — malicious · 9c8e631573bc989d

MALICIOUS

PDF

27.2 KB Created: 2021-06-28 07:35:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: df07208da4df937454e3e81d6afd7326 SHA-1: 26f089ecb004c76e7bc8a6ba5ccdda928c2707a5 SHA-256: 9c8e631573bc989d46542ea7ab60ada6183456acd8bdd318f99a6bfa036ce518

94 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains numerous links, presented as a 'link farm', that direct users to pages offering 'Free Robux' and game exploits. The ML classifier strongly indicated maliciousness, and the presence of external URIs suggests the document is designed to redirect users to potentially harmful websites. No scripts were extracted, but the document body and heuristics point to a social engineering lure for phishing or malware distribution.

Machine Learning

Nyx PDF Classifier malicious score 0.9989

Heuristics 3

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.
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/free-robux-promo-codes-2021-list-game-hack
- https://perpustakaan.unitomo.ac.id/repository/use-cheat-engine-by-roblox_GM431946152.pdf
- https://perpustakaan.unitomo.ac.id/repository/roblox-skywars-hack-script_GM431946152.pdf
- https://perpustakaan.unitomo.ac.id/repository/denis-how-to-get-free-robux-im-not-even-kidding_GM431946152.pdf
- https://perpustakaan.unitomo.ac.id/repository/free-camera-roblox-script_GM431946152.pdf
- https://perpustakaan.unitomo.ac.id/repository/city17-city-rp-roblox-free-guns_GM431946152.pdf
- https://perpustakaan.unitomo.ac.id/repository/free-roblox-exploits-with-no-key_GM431946152.pdf
- https://perpustakaan.unitomo.ac.id/repository/watch-videos-and-complete-offers-to-earn-free-robux_GM431946152.pdf
- https://perpustakaan.unitomo.ac.id/repository/https-mobihack-net-roblox-hack_GM431946152.pdf
- https://perpustakaan.unitomo.ac.id/repository/how-to-get-any-item-free-on-roblox_GM431946152.pdf
- https://perpustakaan.unitomo.ac.id/repository/robuxy-com-free-robux_GM431946152.pdf
- https://perpustakaan.unitomo.ac.id/repository/how-to-get-free-hats-on-roblox-without-inspect-element_GM431946152.pdf
- https://perpustakaan.unitomo.ac.id/repository/how-to-get-free-faces-with-no-robux_GM431946152.pdf
- https://perpustakaan.unitomo.ac.id/repository/roblox-account-crcker-free-v3million-proxyles_GM431946152.pdf
- https://perpustakaan.unitomo.ac.id/repository/coin-master-free-spin-today_GM406889139.pdf
- https://perpustakaan.unitomo.ac.id/repository/roblox-studio-app-free-download_GM431946152.pdf
- https://perpustakaan.unitomo.ac.id/repository/roblox-phantom-forces-free-vip-server_GM431946152.pdf
- https://perpustakaan.unitomo.ac.id/repository/khaos-free-robux_GM431946152.pdf
- https://perpustakaan.unitomo.ac.id/repository/how-to-get-free-robux-for-kids_GM431946152.pdf
- https://perpustakaan.unitomo.ac.id/repository/who-did-the-roblox-april-fools-hack_GM431946152.pdf
- https://perpustakaan.unitomo.ac.id/repository/free-roblox-accessories-2021_GM431946152.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000300c.bin` `7f1b9766de6b8d5a029165ca356bfe35df26d52ee8a07e6cb76e763f0ad704ab`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x300C	22568 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.