PDF malware analysis — malicious · d17b6b266f5dedb1

MALICIOUS

PDF

44.1 KB Created: 2021-05-14 10:32:34 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16

MD5: f07a0775c0c9c2f9fe47907aaa0b54e0 SHA-1: 1d4f4802153a5ede59491ef0b82f25b056bf19aa SHA-256: d17b6b266f5dedb161af691dae43231250cda24bc74eb26261b1b4bf6d5747ee

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and a visual download button lure, suggesting it is designed to trick users into downloading a malicious file. The ML classifier strongly flagged this PDF as malicious, and the presence of external URIs further supports this assessment. The document body's content and the embedded URLs indicate a lure for game-related cheats or hacks.

Machine Learning

Nyx PDF Classifier malicious score 0.9976

Heuristics 4

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/479516143/best-free-minecraft-hacked-client-game-hack PDF link annotation
- http://www.technibuild-group.com/uploaded_files/userfiles/files/robux-free-c_GM431946152.pdfIn PDF document text
- http://www.technibuild-group.com/uploaded_files/userfiles/files/best-free-minecraft-skins_GM479516143.pdfIn PDF document text
- http://www.technibuild-group.com/uploaded_files/userfiles/files/download-hacked-games-coin-master_GM406889139.pdfIn PDF document text
- http://www.technibuild-group.com/uploaded_files/userfiles/files/coin-master-hack-mod-apk-free-download_GM406889139.pdfIn PDF document text
- http://www.technibuild-group.com/uploaded_files/userfiles/files/coin-master-free-coins-and-spins-daily-summary_GM406889139.pdfIn PDF document text
- http://www.technibuild-group.com/uploaded_files/userfiles/files/free-spins-coin-master-twitter_GM406889139.pdfIn PDF document text
- http://www.technibuild-group.com/uploaded_files/userfiles/files/coin-master-hack-apk_GM406889139.pdfIn PDF document text
- http://www.technibuild-group.com/uploaded_files/userfiles/files/roblox-free-play-no-download_GM431946152.pdfIn PDF document text
- http://www.technibuild-group.com/uploaded_files/userfiles/files/how-to-get-free-robux-for-free_GM431946152.pdfIn PDF document text
- http://www.technibuild-group.com/uploaded_files/userfiles/files/www-rbx-com_GM431946152.pdfIn PDF document text
- http://www.technibuild-group.com/uploaded_files/userfiles/files/free-roblox-gift-card_GM431946152.pdfIn PDF document text
- http://www.technibuild-group.com/uploaded_files/userfiles/files/coin-master-link-today_GM406889139.pdfIn PDF document text
- http://www.technibuild-group.com/uploaded_files/userfiles/files/coin-master-daily-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
- http://www.technibuild-group.com/uploaded_files/userfiles/files/coin-master-today_GM406889139.pdfIn PDF document text
- http://www.technibuild-group.com/uploaded_files/userfiles/files/free-spins-for-coin-master-that-work_GM406889139.pdfIn PDF document text
- http://www.technibuild-group.com/uploaded_files/userfiles/files/earn-robux-for-roblox_GM431946152.pdfIn PDF document text
- http://www.technibuild-group.com/uploaded_files/userfiles/files/minecraft-windows-10-edition-hacks_GM479516143.pdfIn PDF document text
- http://www.technibuild-group.com/uploaded_files/userfiles/files/play-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
- http://www.technibuild-group.com/uploaded_files/userfiles/files/how-to-get-free-robux_GM431946152.pdfIn PDF document text
- http://www.technibuild-group.com/uploaded_files/userfiles/files/coin-master-hack-spins-2021_GM406889139.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00004b4a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4B4A	30904 bytes
SHA-256: `0694e7c6df7da06ab73c7581c2f7d86ae8a252062b0e8c68b5918da0cbed22db`
`font_01_sfnt_off00008a94.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8A94	18200 bytes
SHA-256: `dee6b3909f49c7ddbb1ab18ee008f1775ca59041fcbdd753e186a80ce5ffdd4d`

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