PDF malware analysis — malicious · 06c1cec318922766

MALICIOUS

PDF

34.5 KB Created: 2021-06-26 07:49:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 47b8dccf90f9a9adce22dd27144e77f0 SHA-1: 22d6531f7cb7e86db076e04041d18014f23bef83 SHA-256: 06c1cec31892276630cd6be9b9ecdb4383706334d1d32e0c0e53a7023de8da75

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a large number of external links, many of which are SEO-optimized and point to resources related to game hacks and cheats. The primary URL, http://netcdn.co/app/431946152/assasin-roblox-auto-farm-hack-game-hack, is directly embedded and suggests a malicious download or exploit. The ML classifier also strongly flagged this PDF as malicious, supporting the conclusion that this is a lure for 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 http://netcdn.co/app/431946152/assasin-roblox-auto-farm-hack-game-hack
- https://www.gotsolution.se/uploaded_files/userfiles/files/free-robux-games-that-work_GM431946152.pdf
- https://www.gotsolution.se/uploaded_files/userfiles/files/coin-master-free-spins-link-without-human-verification_GM406889139.pdf
- https://www.gotsolution.se/uploaded_files/userfiles/files/free-minecraft-skins-pe_GM479516143.pdf
- https://www.gotsolution.se/uploaded_files/userfiles/files/coin-master-hack-mod-apk-35-8_GM406889139.pdf
- https://www.gotsolution.se/uploaded_files/userfiles/files/free-roblox-accounts-with-robux-that-work-2021_GM431946152.pdf
- https://www.gotsolution.se/uploaded_files/userfiles/files/coin-master-unlimited-spin-hack_GM406889139.pdf
- https://www.gotsolution.se/uploaded_files/userfiles/files/coin-master-free-items_GM406889139.pdf
- https://www.gotsolution.se/uploaded_files/userfiles/files/free-coin-master-gold-cards_GM406889139.pdf
- https://www.gotsolution.se/uploaded_files/userfiles/files/minecraft-realms-free_GM479516143.pdf
- https://www.gotsolution.se/uploaded_files/userfiles/files/free-robux-codes-november-2021_GM431946152.pdf
- https://www.gotsolution.se/uploaded_files/userfiles/files/how-to-get-free-robux-2021-no-human-verification_GM431946152.pdf
- https://www.gotsolution.se/uploaded_files/userfiles/files/free-robux-generator-no-verification_GM431946152.pdf
- https://www.gotsolution.se/uploaded_files/userfiles/files/how-to-download-minecraft-for-free-on-mac_GM479516143.pdf
- https://www.gotsolution.se/uploaded_files/userfiles/files/roblox-promo-codes-free-robux_GM431946152.pdf
- https://www.gotsolution.se/uploaded_files/userfiles/files/free-robux-codes-2021_GM431946152.pdf
- https://www.gotsolution.se/uploaded_files/userfiles/files/make-free-robux_GM431946152.pdf
- https://www.gotsolution.se/uploaded_files/userfiles/files/coin-master-hack-ios-cydia_GM406889139.pdf
- https://www.gotsolution.se/uploaded_files/userfiles/files/free-robux-no-scam_GM431946152.pdf
- https://www.gotsolution.se/uploaded_files/userfiles/files/roblox-cheat-engine-change-stat_GM431946152.pdf
- https://www.gotsolution.se/uploaded_files/userfiles/files/get-free-robux_GM431946152.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_off00002ea0.bin` `04d63faa247595942bb924a1cb999b1287583bf305e5fcfa0c16131755e46bbe`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2EA0	22420 bytes
`font_01_sfnt_off00006093.bin` `3da7f70925dd7e0edb91c5b5ca5f76f47f7cc04ac622fd64fc2c3f4f7246519f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6093	19444 bytes

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