PDF malware analysis — malicious · e8fdcf86212d86ee

MALICIOUS

PDF

34.5 KB Created: 2021-07-09 06:55:22 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 0e3b9374608f92b72b8d9d71d174cb55 SHA-1: a353134ddf8fdbec8d481af19a1ab7f5ac0de2e3 SHA-256: e8fdcf86212d86eee14fcd1e2e36e4217a62eb5f316e95d676a1da24a1e4b583

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains numerous links to external websites, many of which are hosted on dc-itsolutions.com and appear to be part of a link farm designed to attract users searching for game cheats and in-game currency. The primary URL http://netcdn.tw/app/431946152/how-to-hack-roblox-2021-game-hack is likely the initial landing page for a phishing or malware distribution scheme. The presence of a PDF_SEO_LINK_FARM heuristic firing further supports the malicious intent of creating a deceptive web presence.

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/431946152/how-to-hack-roblox-2021-game-hack
- https://www.dc-itsolutions.com/userfiles/files/free-robux-groups-2021_GM431946152.pdf
- https://www.dc-itsolutions.com/userfiles/files/how-to-get-free-robux-generator_GM431946152.pdf
- https://www.dc-itsolutions.com/userfiles/files/coin-master-hack-ios-no-verification_GM406889139.pdf
- https://www.dc-itsolutions.com/userfiles/files/coin-master-free-spin-app-iphone_GM406889139.pdf
- https://www.dc-itsolutions.com/userfiles/files/new-how-to-get-1m-free-robux_GM431946152.pdf
- https://www.dc-itsolutions.com/userfiles/files/como-ser-hacker-en-roblox-skywars_GM431946152.pdf
- https://www.dc-itsolutions.com/userfiles/files/coin-master-free-spins-link-download-for-iphone_GM406889139.pdf
- https://www.dc-itsolutions.com/userfiles/files/javascript-free-robux_GM431946152.pdf
- https://www.dc-itsolutions.com/userfiles/files/free-headless-head-roblox_GM431946152.pdf
- https://www.dc-itsolutions.com/userfiles/files/tiktok-followers-for-free_GM835599320.pdf
- https://www.dc-itsolutions.com/userfiles/files/pubg-uc-94fbr_GM1330123889.pdf
- https://www.dc-itsolutions.com/userfiles/files/minecraft-that-you-can-play-for-free_GM479516143.pdf
- https://www.dc-itsolutions.com/userfiles/files/free-spins-for-coin-master-2021_GM406889139.pdf
- https://www.dc-itsolutions.com/userfiles/files/coin-master-free-coins-and-spins_GM406889139.pdf
- https://www.dc-itsolutions.com/userfiles/files/free-roebucks_GM431946152.pdf
- https://www.dc-itsolutions.com/userfiles/files/minecraft-java-edition-free-code_GM479516143.pdf
- https://www.dc-itsolutions.com/userfiles/files/how-to-get-free-spins-on-coin-master-facebook_GM406889139.pdf
- https://www.dc-itsolutions.com/userfiles/files/how-do-u-get-free-robux_GM431946152.pdf
- https://www.dc-itsolutions.com/userfiles/files/how-do-we-get-free-robux_GM431946152.pdf
- https://www.dc-itsolutions.com/userfiles/files/how-to-get-free-coins-in-coin-master-game_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_off00002f80.bin` `50c433f712ccd639ab14efe31e54af83c3607010992ab0a0676904c8a75f4748`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2F80	22288 bytes
`font_01_sfnt_off0000610e.bin` `952aa56c448a3876108b271681fe1a59f9d49131b8b4cd095e69c290d9073af5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x610E	19224 bytes

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