PDF malware analysis — malicious · ac57022a6de3a7fa

MALICIOUS

PDF

44.7 KB Created: 2021-05-14 16:31:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 1631670d24ab0c1474d92ff4e6e1ce80 SHA-1: 6a8f9c8d803d7ce26040353573e3e563ebbd81a9 SHA-256: ac57022a6de3a7fade75f9437b96a3fca4836a8e83b5a16c59e473012495a77f

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document contains a large number of external links, many of which point to other PDF files, suggesting a link farm designed to attract traffic. The primary URL, https://netcdn.xyz/app/431946152/roblox-hack-scripts-pastebin-game-hack, indicates a lure for game hacks. The ML classifier strongly flagged this PDF as malicious, and the presence of numerous SEO-optimized PDF links further supports a malicious intent to redirect users to potentially harmful content.

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 https://netcdn.xyz/app/431946152/roblox-hack-scripts-pastebin-game-hack
- http://www.copoint.co.uk/images/free-robux-with-no-survey_GM431946152.pdf
- http://www.copoint.co.uk/images/free-robux-without-human-verification-2021_GM431946152.pdf
- http://www.copoint.co.uk/images/free-spin-in-coin-master_GM406889139.pdf
- http://www.copoint.co.uk/images/how-to-hack-someones-minecraft-account_GM479516143.pdf
- http://www.copoint.co.uk/images/roblox-fun-com-free-robux_GM431946152.pdf
- http://www.copoint.co.uk/images/free-spins-for-coin-master-2021_GM406889139.pdf
- http://www.copoint.co.uk/images/free-spins-coin-master-2021_GM406889139.pdf
- http://www.copoint.co.uk/images/coin-master-mod-version-free-download-v344_GM406889139.pdf
- http://www.copoint.co.uk/images/how-to-duplicate-coin-master-spin-hack_GM406889139.pdf
- http://www.copoint.co.uk/images/roblox-assassin_GM431946152.pdf
- http://www.copoint.co.uk/images/free-spins-coin-master-no-human-verification_GM406889139.pdf
- http://www.copoint.co.uk/images/roblox-robux-hack-generator_GM431946152.pdf
- http://www.copoint.co.uk/images/free-robux-cards_GM431946152.pdf
- http://www.copoint.co.uk/images/coin-master-free-spins-hacktman_GM406889139.pdf
- http://www.copoint.co.uk/images/como-hackear-coin-master-iphone_GM406889139.pdf
- http://www.copoint.co.uk/images/coin-master-tips_GM406889139.pdf
- http://www.copoint.co.uk/images/how-to-make-robux_GM431946152.pdf
- http://www.copoint.co.uk/images/free-800-robux_GM431946152.pdf
- http://www.copoint.co.uk/images/earn-free-robux-today_GM431946152.pdf
- http://www.copoint.co.uk/images/free-spins-on-coin-master-2021_GM406889139.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_off0000482c.bin` `f0a0a90a1423597371a3da746d4e6def817faac7534f61ca0f49c7f082f20d0f`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x482C	29420 bytes
`font_01_sfnt_off00008b04.bin` `ab18ebd86474bf723d827c8d503b9efdd759369ebb4bbf8c3e0b4762acc2a078`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8B04	18736 bytes

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