PDF malware analysis — malicious · 3dc6dcd9f569f59e

MALICIOUS

PDF

34.3 KB Created: 2021-07-03 20:00:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: f79e192f581d03ad05c9e63e9b40225b SHA-1: f378123fa83cb8da7e41b33c8807059a89dc97a5 SHA-256: 3dc6dcd9f569f59eb0968e154cd54d676f2112aadfdb6d5b521f9b61ebe544fe

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/479516143/minecraft-life-hacks-game-hack PDF link annotation
- https://redaksi9.com/new/public/ckfinder/userfiles/files/roblox-hack-client_GM431946152.pdfIn PDF document text
- https://redaksi9.com/new/public/ckfinder/userfiles/files/how-to-hack-pokemon-brick-bronze-roblox_GM431946152.pdfIn PDF document text
- https://redaksi9.com/new/public/ckfinder/userfiles/files/hack-mod-apk-de-roblox-2_GM431946152.pdfIn PDF document text
- https://redaksi9.com/new/public/ckfinder/userfiles/files/coin-master-free-cards-link-2021_GM406889139.pdfIn PDF document text
- https://redaksi9.com/new/public/ckfinder/userfiles/files/master-coin-free-spin-daily_GM406889139.pdfIn PDF document text
- https://redaksi9.com/new/public/ckfinder/userfiles/files/hack-mod-roblox_GM431946152.pdfIn PDF document text
- https://redaksi9.com/new/public/ckfinder/userfiles/files/roblox-cheats-uhrzeit-ndern_GM431946152.pdfIn PDF document text
- https://redaksi9.com/new/public/ckfinder/userfiles/files/roblox-sexually-abused_GM431946152.pdfIn PDF document text
- https://redaksi9.com/new/public/ckfinder/userfiles/files/coin-master-free-spins-for-iphone_GM406889139.pdfIn PDF document text
- https://redaksi9.com/new/public/ckfinder/userfiles/files/how-to-get-clockwork-glasses-on-roblox-free_GM431946152.pdfIn PDF document text
- https://redaksi9.com/new/public/ckfinder/userfiles/files/free-shirts-roblox-2021_GM431946152.pdfIn PDF document text
- https://redaksi9.com/new/public/ckfinder/userfiles/files/how-to-get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
- https://redaksi9.com/new/public/ckfinder/userfiles/files/coin-master-free-link-today_GM406889139.pdfIn PDF document text
- https://redaksi9.com/new/public/ckfinder/userfiles/files/minecraft-free-download-unblocked_GM479516143.pdfIn PDF document text
- https://redaksi9.com/new/public/ckfinder/userfiles/files/how-to-hack-roblox-accounts-real_GM431946152.pdfIn PDF document text
- https://redaksi9.com/new/public/ckfinder/userfiles/files/regal-world-coin-master_GM406889139.pdfIn PDF document text
- https://redaksi9.com/new/public/ckfinder/userfiles/files/ways-to-get-free-robux-without-human-verification_GM431946152.pdfIn PDF document text
- https://redaksi9.com/new/public/ckfinder/userfiles/files/moonactive-coin-master-hack_GM406889139.pdfIn PDF document text
- https://redaksi9.com/new/public/ckfinder/userfiles/files/robux-hack-tools_GM431946152.pdfIn PDF document text
- https://redaksi9.com/new/public/ckfinder/userfiles/files/free-black-and-white-roblox-trophy_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_off00003349.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3349	22428 bytes
SHA-256: `3d44e4bb8624c3a4c7fc13a1c4a0b6b922ff49f4150a654139afae694056f8f9`
`font_01_sfnt_off00006479.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6479	18024 bytes
SHA-256: `3a120d64b896f67b09dec491f1c88395cd1b98a1e2a7d14c7c33e3cd7fd92860`

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