PDF malware analysis — malicious · 463c22fe6f72da34

MALICIOUS

PDF

36.3 KB Created: 2021-07-04 20:34:34 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-02

MD5: 464028cc6fcbd3af7fca94605511caa7 SHA-1: 525e367965665e03cf56c19148e129094cb4b028 SHA-256: 463c22fe6f72da34eb17e8208116f472fd47f047f68a68783d6d132b952de0a6

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-can-i-get-free-coinsn-coin-master-game-hack PDF link annotation
- http://wwic.wales/uploads/files/files/hack-client-roblox_GM431946152.pdfIn PDF document text
- http://wwic.wales/uploads/files/files/free-robux-giver-no-human-verification_GM431946152.pdfIn PDF document text
- http://wwic.wales/uploads/files/files/free-robux-safe_GM431946152.pdfIn PDF document text
- http://wwic.wales/uploads/files/files/coin-master-daily-free-spins-link-today_GM406889139.pdfIn PDF document text
- http://wwic.wales/uploads/files/files/free-robux-no-anti-bot-verification_GM431946152.pdfIn PDF document text
- http://wwic.wales/uploads/files/files/speed-hack-roblox-with-nopde-engine_GM431946152.pdfIn PDF document text
- http://wwic.wales/uploads/files/files/how-can-i-get-every-item-on-roblox-for-free_GM431946152.pdfIn PDF document text
- http://wwic.wales/uploads/files/files/free-roblox-accounts-with-robux-that-work-2021_GM431946152.pdfIn PDF document text
- http://wwic.wales/uploads/files/files/itv-television-centre-roblox-free_GM431946152.pdfIn PDF document text
- http://wwic.wales/uploads/files/files/minecraft-hacked-client-download_GM479516143.pdfIn PDF document text
- http://wwic.wales/uploads/files/files/coin-master-free-spin-and-coins-links_GM406889139.pdfIn PDF document text
- http://wwic.wales/uploads/files/files/how-to-cheat-in-roblox-lumber-tycoon-2_GM431946152.pdfIn PDF document text
- http://wwic.wales/uploads/files/files/coin-master-hack-https-coinms-net_GM406889139.pdfIn PDF document text
- http://wwic.wales/uploads/files/files/make-free-robux_GM431946152.pdfIn PDF document text
- http://wwic.wales/uploads/files/files/hack-game-coin-master_GM406889139.pdfIn PDF document text
- http://wwic.wales/uploads/files/files/hack-roblox-fr_GM431946152.pdfIn PDF document text
- http://wwic.wales/uploads/files/files/headless-head-roblox-free_GM431946152.pdfIn PDF document text
- http://wwic.wales/uploads/files/files/coin-master-hack-100-working_GM406889139.pdfIn PDF document text
- http://wwic.wales/uploads/files/files/instant-robux_GM431946152.pdfIn PDF document text
- http://wwic.wales/uploads/files/files/coin-master-hacks-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_off00003713.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3713	23372 bytes
SHA-256: `61e953878ef9b70f90d77ed128abb9cb1f862f41fea9e0484192350bac8abd58`
`font_01_sfnt_off00006bb5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6BB5	18164 bytes
SHA-256: `fa47a7a0c7c4ec8ea8fe3afb2e8d91ccfaa7851461a3b0a3b74041f8effbb9c2`

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