PDF malware analysis — malicious · 8a2edcce5559318d

MALICIOUS

PDF

45.7 KB Created: 2021-04-28 03:35:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16

MD5: d25156b19a28f6915a6f0c8a5c8fff16 SHA-1: b4cff51091df6a07ac6d02913baa5b0c02cf9397 SHA-256: 8a2edcce5559318db4ff9523bf95723629ea91ff3f8f841229f460fe544397dc

162 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious File T1059.003 Windows Command Shell

This PDF document employs social engineering tactics, presenting a lure for "Robux Generator" to trick users into downloading a malicious file. It explicitly instructs users to copy and paste commands into their terminal or use Win+R, a technique often used to bypass macro restrictions and execute arbitrary code. The embedded URLs point to potential download locations for malicious payloads.

Machine Learning

Nyx PDF Classifier malicious score 0.9785

Heuristics 6

Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE

Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
ClickFix social engineering attack high SE_CLICKFIX

Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE

Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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/hack-como-tener-robux-gratis-game-hack PDF link annotation
- http://www.saburai.ac.id/elibrary//repository/roblox-free-stylish-animation.pdfIn PDF document text
- http://www.saburai.ac.id/elibrary//repository/how-to-get-free-robux-on-adopt-me.pdfIn PDF document text
- http://www.saburai.ac.id/elibrary//repository/free-robux-hack-generator-no-app-download.pdfIn PDF document text
- http://www.saburai.ac.id/elibrary//repository/dragon-keeper-roblox-cheats.pdfIn PDF document text
- http://www.saburai.ac.id/elibrary//repository/cheat-engine-for-roblox-mac.pdfIn PDF document text
- http://www.saburai.ac.id/elibrary//repository/redeem-promo-codes-for-free-robux.pdfIn PDF document text
- http://www.saburai.ac.id/elibrary//repository/can-you-go-to-jail-for-downloading-hacked-on-roblox.pdfIn PDF document text
- http://www.saburai.ac.id/elibrary//repository/free-models-for-roblox.pdfIn PDF document text
- http://www.saburai.ac.id/elibrary//repository/lazyblocks-com-free-robux-2021.pdfIn PDF document text
- http://www.saburai.ac.id/elibrary//repository/does-roblox-use-an-anti-cheat.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00004361.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4361	29992 bytes
SHA-256: `7fcc1a9fa9ed339b8e5c2bf888369bed879efc5bda8591c436a0d13e3510bf57`
`font_01_sfnt_off0000857c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x857C	2900 bytes
SHA-256: `7709f4ae3af7d4a4200348b42e6c2c4d7e9d243aef769681d20f194ea17eaa1d`
`font_02_sfnt_off00008f80.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8F80	18732 bytes
SHA-256: `5fcb5e99f542cc031351745f75a10da1a57abe7918108c73b5606c304e59fcf5`

Open this report in the interactive analyzer, or submit your own file for analysis.