PDF malware analysis — malicious · cf7d38f7c3362547

MALICIOUS

PDF

34.3 KB Created: 2021-06-21 23:37:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 064aee7c2a6eaad58a35062e748cfcca SHA-1: a1e17d735fa85c13f62395703a34ed109d9aec51 SHA-256: cf7d38f7c336254733148a4214e64d67bf62eadac2ae0cbd44c0f4807cb79368

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs and text referencing "hacks" for popular games, indicating a lure for users to download potentially malicious files. The heuristic PDF_SEO_LINK_FARM indicates a large number of external links, many of which are likely part of a link farm designed to attract traffic. The ML_NYX_PDF_MALICIOUS score of 0.998 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/roblox-hack-god-mode-2021-game-hack
- https://kitchenset-jogja.com/ckfinder/userfiles/files/coin-master-game-free-download_GM406889139.pdf
- https://kitchenset-jogja.com/ckfinder/userfiles/files/coin-master-heaven-links_GM406889139.pdf
- https://kitchenset-jogja.com/ckfinder/userfiles/files/free-robux-hacks-no-verification_GM431946152.pdf
- https://kitchenset-jogja.com/ckfinder/userfiles/files/coin-master-free-cards-link_GM406889139.pdf
- https://kitchenset-jogja.com/ckfinder/userfiles/files/free-spins-coin-master-2021-hack_GM406889139.pdf
- https://kitchenset-jogja.com/ckfinder/userfiles/files/how-to-hack-coin-master_GM406889139.pdf
- https://kitchenset-jogja.com/ckfinder/userfiles/files/free-robux-no-human-verification-or-survey-or-download-2021_GM431946152.pdf
- https://kitchenset-jogja.com/ckfinder/userfiles/files/easy-robux-today-com_GM431946152.pdf
- https://kitchenset-jogja.com/ckfinder/userfiles/files/teach-me-to-hack_GM431946152.pdf
- https://kitchenset-jogja.com/ckfinder/userfiles/files/how-to-hack-roblox-accounts-for-robux_GM431946152.pdf
- https://kitchenset-jogja.com/ckfinder/userfiles/files/coin-master-app-free-download_GM406889139.pdf
- https://kitchenset-jogja.com/ckfinder/userfiles/files/how-to-get-free-robux-not-a-scam_GM431946152.pdf
- https://kitchenset-jogja.com/ckfinder/userfiles/files/roblox-arsenal-hack-script-pastebin_GM431946152.pdf
- https://kitchenset-jogja.com/ckfinder/userfiles/files/coin-master-hack-app-2021_GM406889139.pdf
- https://kitchenset-jogja.com/ckfinder/userfiles/files/roblox-hack-me-robux_GM431946152.pdf
- https://kitchenset-jogja.com/ckfinder/userfiles/files/coin-master-real-free-spins_GM406889139.pdf
- https://kitchenset-jogja.com/ckfinder/userfiles/files/how-can-you-get-minecraft-for-free_GM479516143.pdf
- https://kitchenset-jogja.com/ckfinder/userfiles/files/25-free-spins-coin-master_GM406889139.pdf
- https://kitchenset-jogja.com/ckfinder/userfiles/files/coin-master-hack-tool-without-human-verification_GM406889139.pdf
- https://kitchenset-jogja.com/ckfinder/userfiles/files/coin-master-hack-1021_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_off00002fae.bin` `acfcf5d2a83d97b54573d8b5e1b588c1266dff161b17a4a84b74b303a8716d6e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2FAE	21832 bytes
`font_01_sfnt_off00005f82.bin` `90f2d91fa27fc73d867957465b23a04efe2be7c16ea19c73db8165b549e76917`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5F82	19428 bytes

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