PDF malware analysis — malicious · df0461295a618266

MALICIOUS

PDF

35.7 KB Created: 2021-06-30 09:46:22 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15

MD5: 6d0e12feb365051976505fe3b6849be9 SHA-1: c8c7b25af4ce5bd45132529c4d93859e361c2ada SHA-256: df0461295a6182668266fee0cbb0b2cf932ba0b087eb269038bc4130f411c601

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains numerous links to external websites, many of which are related to game cheats and hacks, suggesting a lure for users to download malicious content. The ML classifier strongly flagged this PDF as malicious, and the presence of external URIs and a link farm further supports this assessment. The document's content and structure indicate it is designed to trick users into visiting potentially harmful sites.

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-commands-robux-game-hack PDF link annotation
- https://www.stileadda.com/uploaded_files/userfiles/files/como-hackear-tu-cuenta-jailbreak-roblox_GM431946152.pdfIn PDF document text
- https://www.stileadda.com/uploaded_files/userfiles/files/build-a-boat-for-treasure-roblox-hack_GM431946152.pdfIn PDF document text
- https://www.stileadda.com/uploaded_files/userfiles/files/coin-master-hack-app-ios-download_GM406889139.pdfIn PDF document text
- https://www.stileadda.com/uploaded_files/userfiles/files/free-catalog-stuff-roblox-hack_GM431946152.pdfIn PDF document text
- https://www.stileadda.com/uploaded_files/userfiles/files/roblox-drivetm-hack_GM431946152.pdfIn PDF document text
- https://www.stileadda.com/uploaded_files/userfiles/files/free-robux-generator-no-verification_GM431946152.pdfIn PDF document text
- https://www.stileadda.com/uploaded_files/userfiles/files/free-roblox-gift-cards-that-can-be-used-unlimited-times_GM431946152.pdfIn PDF document text
- https://www.stileadda.com/uploaded_files/userfiles/files/coin-master-free-spins-link-quora_GM406889139.pdfIn PDF document text
- https://www.stileadda.com/uploaded_files/userfiles/files/how-to-get-free-models-in-roblox-studios_GM431946152.pdfIn PDF document text
- https://www.stileadda.com/uploaded_files/userfiles/files/fabulous-2-roblox-hack_GM431946152.pdfIn PDF document text
- https://www.stileadda.com/uploaded_files/userfiles/files/free-robux-app-android_GM431946152.pdfIn PDF document text
- https://www.stileadda.com/uploaded_files/userfiles/files/mcpe-master-hack-unlimited-coins-download_GM406889139.pdfIn PDF document text
- https://www.stileadda.com/uploaded_files/userfiles/files/robux-online_GM431946152.pdfIn PDF document text
- https://www.stileadda.com/uploaded_files/userfiles/files/how-to-get-minecraft-java-free_GM479516143.pdfIn PDF document text
- https://www.stileadda.com/uploaded_files/userfiles/files/freerobuxhack-us-2021_GM431946152.pdfIn PDF document text
- https://www.stileadda.com/uploaded_files/userfiles/files/free-robux-websites-no-human-verification_GM431946152.pdfIn PDF document text
- https://www.stileadda.com/uploaded_files/userfiles/files/avatar-de-roblox_GM431946152.pdfIn PDF document text
- https://www.stileadda.com/uploaded_files/userfiles/files/roblox-phantom-forces-aimbot-hack_GM431946152.pdfIn PDF document text
- https://www.stileadda.com/uploaded_files/userfiles/files/how-to-hack-roblox-game-2021_GM431946152.pdfIn PDF document text
- https://www.stileadda.com/uploaded_files/userfiles/files/this-code-gives-you-1-billion-free-robux-instantly_GM431946152.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_off0000332d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x332D	22760 bytes
SHA-256: `ef5882e3fc7da274d18beed438fbaa2e6ed1ea6b420000e0887038f4e40c794a`
`font_01_sfnt_off00006631.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6631	19228 bytes
SHA-256: `d8c9773d9a3671140ce1a8d6029eeee01fe2f1247cd59d4e97675b29c481aa6f`

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