PDF malware analysis — malicious · ebba633d06a8880d

MALICIOUS

PDF

35.7 KB Created: 2021-06-27 02:35:51 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: f8b43856db9e7dc242a5d7e4ca93304e SHA-1: d7a6e3df0855224715061cc0cc97e663ac496243 SHA-256: ebba633d06a8880ddf7f76e18ae6f69c29a3e6a616d72e36bc1148ff6aee0916

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document contains numerous embedded links and a primary URL that lead to pages offering free in-game currency and hacks, indicative of a phishing or scam lure. The PDF_SEO_LINK_FARM heuristic indicates a large number of external links, likely to further distribute the malicious content. The ML_NYX_PDF_MALICIOUS classifier strongly suggests 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/free-robux-no-survey-no-verification-no-download-game-hack
- https://fib.ub.ac.id/sac/repository/how-to-get-roebucks-in-roblox_GM431946152.pdf
- https://fib.ub.ac.id/sac//repository/mcpe-master-hack-unlimited-coins_GM406889139.pdf
- https://fib.ub.ac.id/sac//repository/coin-master-free-spins-link-haktuts_GM406889139.pdf
- https://fib.ub.ac.id/sac/repository/how-to-get-free-robux-without-surveys_GM431946152.pdf
- https://fib.ub.ac.id/sac//repository/tiktok-get-free-followers_GM835599320.pdf
- https://fib.ub.ac.id/sac/repository/how-to-get-minecraft-for-free-on-ipad_GM479516143.pdf
- https://fib.ub.ac.id/sac/repository/free-robux-just-enter-username_GM431946152.pdf
- https://fib.ub.ac.id/sac//repository/coin-master-hack-trick-2021_GM406889139.pdf
- https://fib.ub.ac.id/sac//repository/can-you-make-a-minecraft-server-for-free_GM479516143.pdf
- https://fib.ub.ac.id/sac/repository/coin-master-free-spins-apk-2021_GM406889139.pdf
- https://fib.ub.ac.id/sac/repository/how-to-get-free-robux-regular_GM431946152.pdf
- https://fib.ub.ac.id/sac/repository/coin-master-free-download-pc_GM406889139.pdf
- https://fib.ub.ac.id/sac/repository/pokemon-go-free-weekly-remote-raid-pass_GM1094591345.pdf
- https://fib.ub.ac.id/sac//repository/minecraft-114-4-download_GM479516143.pdf
- https://fib.ub.ac.id/sac/repository/free-roblox-characters_GM431946152.pdf
- https://fib.ub.ac.id/sac/repository/free-draw-2-roblox-save_GM431946152.pdf
- https://fib.ub.ac.id/sac//repository/is-it-possible-to-hack-coin-master_GM406889139.pdf
- https://fib.ub.ac.id/sac//repository/how-to-actually-get-free-robux_GM431946152.pdf
- https://fib.ub.ac.id/sac//repository/hacked-client-for-minecraft-bedrock_GM479516143.pdf
- https://fib.ub.ac.id/sac//repository/coin-master-free-spins-link-today_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_off00003086.bin` `406c42a56b6874b94b3becce158b8289b572c8dbedd9a0fb95ca09ce15206e41`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3086	22800 bytes
`font_01_sfnt_off000063db.bin` `88d28d4e2b065758e381ea5d788225c0588fb3f5623d590ced40c5e9fbb56464`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x63DB	19948 bytes

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