PDF malware analysis — malicious · d0716cf96765b923

MALICIOUS

PDF

35.1 KB Created: 2021-06-21 22:36:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-04

MD5: 0a9c7b21b553049c8b46a7597ba78f27 SHA-1: 667be39a86a3cc9be3b3b12a03b8ddd6e8106232 SHA-256: d0716cf96765b923fac8d61a2e728f36f3e53d87620bb3e4a2ee4dacb00100af

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

Heuristics 4

PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE

PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
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-cheats-for-robux-no-download-game-hack PDF link annotation
- https://www.wetotravels.com/uploaded_files/userfiles/files/roblox-hackers-list_GM431946152.pdfIn PDF document text
- https://www.wetotravels.com/uploaded_files/userfiles/files/minecraft-ps4-code-free_GM479516143.pdfIn PDF document text
- https://www.wetotravels.com/uploaded_files/userfiles/files/how-to-give-robux-on-mobile_GM431946152.pdfIn PDF document text
- https://www.wetotravels.com/uploaded_files/userfiles/files/free-robux-legit_GM431946152.pdfIn PDF document text
- https://www.wetotravels.com/uploaded_files/userfiles/files/roblox-hack-client_GM431946152.pdfIn PDF document text
- https://www.wetotravels.com/uploaded_files/userfiles/files/roblox-free-unlimited-robux_GM431946152.pdfIn PDF document text
- https://www.wetotravels.com/uploaded_files/userfiles/files/how-to-hack-roblox-2021_GM431946152.pdfIn PDF document text
- https://www.wetotravels.com/uploaded_files/userfiles/files/how-to-download-minecraft-hacks_GM479516143.pdfIn PDF document text
- https://www.wetotravels.com/uploaded_files/userfiles/files/coin-master-free-spins-and-coins-without-human-verification_GM406889139.pdfIn PDF document text
- https://www.wetotravels.com/uploaded_files/userfiles/files/roblox-cheat-engine-use_GM431946152.pdfIn PDF document text
- https://www.wetotravels.com/uploaded_files/userfiles/files/how-to-hack-a-minecraft-server_GM479516143.pdfIn PDF document text
- https://www.wetotravels.com/uploaded_files/userfiles/files/robux-generator-no-survey_GM431946152.pdfIn PDF document text
- https://www.wetotravels.com/uploaded_files/userfiles/files/get-free-robux-generator_GM431946152.pdfIn PDF document text
- https://www.wetotravels.com/uploaded_files/userfiles/files/roblox-free-robux-codes-2021_GM431946152.pdfIn PDF document text
- https://www.wetotravels.com/uploaded_files/userfiles/files/free-robux-generator-codes_GM431946152.pdfIn PDF document text
- https://www.wetotravels.com/uploaded_files/userfiles/files/how-to-get-free-clothes-on-roblox-2021_GM431946152.pdfIn PDF document text
- https://www.wetotravels.com/uploaded_files/userfiles/files/free-robux-no-verification-2021_GM431946152.pdfIn PDF document text
- https://www.wetotravels.com/uploaded_files/userfiles/files/how-to-get-free-robux-no-verification-2021_GM431946152.pdfIn PDF document text
- https://www.wetotravels.com/uploaded_files/userfiles/files/how-to-hack-roblox-accounts-for-robux_GM431946152.pdfIn PDF document text
- https://www.wetotravels.com/uploaded_files/userfiles/files/como-hackear-la-cuenta-de-tus-amigos-roblox_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_off00003187.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3187	22424 bytes
SHA-256: `d8f9968956393dd828253de703fb30f06a1132d3b8de92f66ed8db46076a9ed2`
`font_01_sfnt_off0000631b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x631B	19380 bytes
SHA-256: `ca2af2977eb16f8ead11ee84f08a8a30a9fb68bc10b37de70fa6dea3dad57ac6`

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