PDF malware analysis — malicious · f94a196fe04aae3c

MALICIOUS

PDF

42.1 KB Created: 2021-05-17 09:07:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: aef1d661deea7c5c6b48cc3926af26d8 SHA-1: e0a6e99b2cd1a86b8869b77091d362916f736974 SHA-256: f94a196fe04aae3cb99c75458f3d5125079b5252af07347e11f39fa7a819e38a

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains a lure for a "Minecraft Hack Client" and embeds a large number of external links, many of which point to other PDF files. The ML classifier strongly indicates maliciousness, and the embedded links suggest a link farm or redirection mechanism. The presence of external URIs and a link farm heuristic indicates an attempt to drive traffic to potentially malicious content, likely for malware distribution.

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/479516143/minecraft-hack-client-1.8-9-game-hack
- http://www.ocic.hr/files/how-do-i-get-minecraft-for-free_GM479516143.pdf
- http://www.ocic.hr/files/promo-codes-to-get-free-robux_GM431946152.pdf
- https://www.ocic.hr/files/how-to-hack-a-roblox-account-easy_GM431946152.pdf
- https://www.ocic.hr/files/is-roblox-free-on-xbox_GM431946152.pdf
- https://www.ocic.hr/files/coin-master-free-spins-link-2021-today_GM406889139.pdf
- http://www.ocic.hr/files/coin-master-spin-hack_GM406889139.pdf
- http://www.ocic.hr/files/coin-master-free-daily-rewards_GM406889139.pdf
- https://www.ocic.hr/files/coin-master-hack-2021_GM406889139.pdf
- http://www.ocic.hr/files/how-to-coin-master-hack_GM406889139.pdf
- http://www.ocic.hr/files/daily-free-spins-coin-master-2021_GM406889139.pdf
- http://www.ocic.hr/files/free-coin-master-spins_GM406889139.pdf
- http://www.ocic.hr/files/coin-master-stop-attack-hack_GM406889139.pdf
- https://www.ocic.hr/files/easy-coin-master-hack_GM406889139.pdf
- http://www.ocic.hr/files/coin-master-hack-apk-35-11_GM406889139.pdf
- https://www.ocic.hr/files/what-are-points-for-in-roblox_GM431946152.pdf
- https://www.ocic.hr/files/free-minecraft-server-maker_GM479516143.pdf
- https://www.ocic.hr/files/coin-master-2021-free-spins-link-today_GM406889139.pdf
- http://www.ocic.hr/files/coin-master-daily-rewards-link_GM406889139.pdf
- https://www.ocic.hr/files/how-do-u-get-free-robux-2021_GM431946152.pdf
- http://www.ocic.hr/files/how-to-hack-roblox-on-mobile_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_003_off00004a36.bin` `3630cbb5af8aa825f0a61b9fbc8b1f7de033fe0a7d12258c9efe9da8087691f4`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4A36	24704 bytes
`font_01_sfnt_off00008211.bin` `7146a4451d5a4af0805248e1a25bf748bd62d3cefbd8f089093f6989f2885b31`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8211	18356 bytes

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