PDF malware analysis — malicious · 73d90784ec57d2cb

MALICIOUS

PDF

36.6 KB Created: 2021-07-01 11:45:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: ce15370c6cd7d3c67082cdddfe4357d8 SHA-1: fd631dc66a1db6b45c2d43751deda2ad69ea0c28 SHA-256: 73d90784ec57d2cb30947b5fe60f0017c741ff12bf5c3ee216642dc641f96d56

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document contains numerous external links, many of which are SEO-optimized and point to pages offering 'hacks' or 'free codes' for Roblox. The ML classifier strongly flagged this PDF as malicious, and the presence of a download button lure reinforces the intent to trick users into clicking malicious links. The document likely serves as a lure to download a second-stage payload or redirect users to a phishing site.

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-roblox-toy-codes-unused-2021-october-6-game-hack
- https://www.intercraftgallery.com/uploaded_files/userfiles/files/how-to-kick-anyone-from-roblox-server-hack-script_GM431946152.pdf
- https://www.intercraftgallery.com/uploaded_files/userfiles/files/how-to-make-a-free-roblox-shirt_GM431946152.pdf
- https://www.intercraftgallery.com/uploaded_files/userfiles/files/roblox-free-item-promo-codes_GM431946152.pdf
- https://www.intercraftgallery.com/uploaded_files/userfiles/files/roblox-robux-hack-online-genorator-tool_GM431946152.pdf
- https://www.intercraftgallery.com/uploaded_files/userfiles/files/hacks-for-roblox-trackid_GM431946152.pdf
- https://www.intercraftgallery.com/uploaded_files/userfiles/files/free-robux-without-getting-banned_GM431946152.pdf
- https://www.intercraftgallery.com/uploaded_files/userfiles/files/how-to-hack-roblox-with-inspect-element-2021_GM431946152.pdf
- https://www.intercraftgallery.com/uploaded_files/userfiles/files/g00d-hack-roblox_GM431946152.pdf
- https://www.intercraftgallery.com/uploaded_files/userfiles/files/roblox-hack-2021_GM431946152.pdf
- https://www.intercraftgallery.com/uploaded_files/userfiles/files/hack-dragon-ball-rage-roblox-mobil_GM431946152.pdf
- https://www.intercraftgallery.com/uploaded_files/userfiles/files/how-to-free-robux-on-computer_GM431946152.pdf
- https://www.intercraftgallery.com/uploaded_files/userfiles/files/free-robux-no-human-survey_GM431946152.pdf
- https://www.intercraftgallery.com/uploaded_files/userfiles/files/free-cash-roblox-pizza-place_GM431946152.pdf
- https://www.intercraftgallery.com/uploaded_files/userfiles/files/instant-free-robux-generator_GM431946152.pdf
- https://www.intercraftgallery.com/uploaded_files/userfiles/files/cheat-engie-how-by-past-roblox_GM431946152.pdf
- https://www.intercraftgallery.com/uploaded_files/userfiles/files/how-to-get-minecraft-for-free-on-pc_GM479516143.pdf
- https://www.intercraftgallery.com/uploaded_files/userfiles/files/how-to-get-free-roblox-clothes-on-phone_GM431946152.pdf
- https://www.intercraftgallery.com/uploaded_files/userfiles/files/zeph-march-2021-has-roblox-been-hacked_GM431946152.pdf
- https://www.intercraftgallery.com/uploaded_files/userfiles/files/how-do-you-get-free-robux-2021_GM431946152.pdf
- https://www.intercraftgallery.com/uploaded_files/userfiles/files/free-tuxedo-roblox_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_off00003450.bin` `6854d1914fb5fb10b946e30a986fa1620ee75e7d985ecd2b4389828a9aa8af57`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3450	22796 bytes
`font_01_sfnt_off0000676e.bin` `92357a55d3ddeb01eba855a97cd0b234dc8a74ac807fb9f3e72b7e813f70e861`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x676E	19820 bytes

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