PDF malware analysis — malicious · 6eacea763e18d050

MALICIOUS

PDF

33.9 KB Created: 2021-07-05 00:54:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: 73149c0afc174f189f11ea116d0841cb SHA-1: 233bfd0d9d09862681ca9d37f855404f516f501e SHA-256: 6eacea763e18d050de754480e9f9b4c720458ef363c9fadc4d178e8b4fddc16f

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.tw/app/406889139/how-to-get-free-spins-coin-master-game-hack PDF link annotation
- http://windhorsetrek.com/userfiles/files/free-hair-roblox_GM431946152.pdfIn PDF document text
- http://windhorsetrek.com/userfiles/files/roblox-free-vip-server-pet-simulator_GM431946152.pdfIn PDF document text
- http://windhorsetrek.com/userfiles/files/roblox-cheat_GM431946152.pdfIn PDF document text
- http://windhorsetrek.com/userfiles/files/can-i-download-minecraft-for-free_GM479516143.pdfIn PDF document text
- http://windhorsetrek.com/userfiles/files/roblox-scythe-script-hack_GM431946152.pdfIn PDF document text
- http://windhorsetrek.com/userfiles/files/free-25-spins-coin-master-links_GM406889139.pdfIn PDF document text
- http://windhorsetrek.com/userfiles/files/roblox-4all-hack_GM431946152.pdfIn PDF document text
- http://windhorsetrek.com/userfiles/files/hack-coin-master-without-verification_GM406889139.pdfIn PDF document text
- http://windhorsetrek.com/userfiles/files/free-spin-coin-master-game_GM406889139.pdfIn PDF document text
- http://windhorsetrek.com/userfiles/files/prison-life-roblox-hacks_GM431946152.pdfIn PDF document text
- http://windhorsetrek.com/userfiles/files/free-minecraft-hacks_GM479516143.pdfIn PDF document text
- http://windhorsetrek.com/userfiles/files/free-coins-coin-master-2021_GM406889139.pdfIn PDF document text
- http://windhorsetrek.com/userfiles/files/roblox-script-hack_GM431946152.pdfIn PDF document text
- http://windhorsetrek.com/userfiles/files/bux-free-robux_GM431946152.pdfIn PDF document text
- http://windhorsetrek.com/userfiles/files/coin-master-hacks-that-work_GM406889139.pdfIn PDF document text
- http://windhorsetrek.com/userfiles/files/free-robux-codes-no-verification-2021_GM431946152.pdfIn PDF document text
- http://windhorsetrek.com/userfiles/files/new-roblox-retail-tycoon-hack-exploit_GM431946152.pdfIn PDF document text
- http://windhorsetrek.com/userfiles/files/epic-face-roblox-free_GM431946152.pdfIn PDF document text
- http://windhorsetrek.com/userfiles/files/how-to-hack-roblox-accounts-for-robux_GM431946152.pdfIn PDF document text
- http://windhorsetrek.com/userfiles/files/synapse-roblox-free-no-virus_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_off00002e87.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2E87	22828 bytes
SHA-256: `1e3aceed63873b3713606523e7e61005dcd5400a879addf60843ab188b457f51`
`font_01_sfnt_off00006189.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6189	18336 bytes
SHA-256: `23f71a9ba4d854b783c042dde3b810d75211435ebb04f16eb6963276a01a3aa2`

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