PDF malware analysis — malicious · f7f48363fa14b568

MALICIOUS

PDF

45.1 KB Created: 2021-06-03 09:39:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: 1ced788f3d1e23aeacd31c393d2ebfda SHA-1: 07938dfc9e175037bd029334d75e17f37b8a4577 SHA-256: f7f48363fa14b568c8b65d4d115dc14210c62256d83e790ccae2e178cf6afba0

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 0.9865

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 https://netcdn.online/app/431946152/ways-to-get-free-robux-2021-game-hack PDF link annotation
- https://ponturipariuri.pro/ckfinder/userfiles/files/coin-master-coins_GM406889139.pdfIn PDF document text
- https://ponturipariuri.pro/ckfinder/userfiles/files/minecraft-gun-games-free_GM479516143.pdfIn PDF document text
- https://ponturipariuri.pro/ckfinder/userfiles/files/coin-master-game-hacking_GM406889139.pdfIn PDF document text
- https://ponturipariuri.pro/ckfinder/userfiles/files/free-robux-websites-2021_GM431946152.pdfIn PDF document text
- https://ponturipariuri.pro/ckfinder/userfiles/files/free-spins-coin-master-legit_GM406889139.pdfIn PDF document text
- https://ponturipariuri.pro/ckfinder/userfiles/files/roblox-website-robux_GM431946152.pdfIn PDF document text
- https://ponturipariuri.pro/ckfinder/userfiles/files/how-do-i-get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
- https://ponturipariuri.pro/ckfinder/userfiles/files/free-spins-and-coins-for-coin-master-game_GM406889139.pdfIn PDF document text
- https://ponturipariuri.pro/ckfinder/userfiles/files/how-to-get-free-skins-in-minecraft_GM479516143.pdfIn PDF document text
- https://ponturipariuri.pro/ckfinder/userfiles/files/minecraft-bedrock-free-with-java_GM479516143.pdfIn PDF document text
- https://ponturipariuri.pro/ckfinder/userfiles/files/minecraft-cheat-client_GM479516143.pdfIn PDF document text
- https://ponturipariuri.pro/ckfinder/userfiles/files/free-roblox-accounts-with-robux-2021_GM431946152.pdfIn PDF document text
- https://ponturipariuri.pro/ckfinder/userfiles/files/free-tiktok-fans-quick-and-easy_GM835599320.pdfIn PDF document text
- https://ponturipariuri.pro/ckfinder/userfiles/files/roblox-free-robux-no-verification_GM431946152.pdfIn PDF document text
- https://ponturipariuri.pro/ckfinder/userfiles/files/roblox-free-robux-codes_GM431946152.pdfIn PDF document text
- https://ponturipariuri.pro/ckfinder/userfiles/files/roblox-com-free_GM431946152.pdfIn PDF document text
- https://ponturipariuri.pro/ckfinder/userfiles/files/coin-master-online-hack-2021_GM406889139.pdfIn PDF document text
- https://ponturipariuri.pro/ckfinder/userfiles/files/how-to-get-free-robux-by-playing-games_GM431946152.pdfIn PDF document text
- https://ponturipariuri.pro/ckfinder/userfiles/files/how-to-get-real-robux_GM431946152.pdfIn PDF document text
- https://ponturipariuri.pro/ckfinder/userfiles/files/free-roblox-generator_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
`stream_004_off0000507a.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x507A	26108 bytes
SHA-256: `3487818f6d9844b8f372023ad428a0cd16c53bd29e3a9de7370d7dafa133dafa`
`font_01_sfnt_off00008af8.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8AF8	19128 bytes
SHA-256: `23f4c6d0bfdce0b55b29b4c4e1f8fc5f357783b93db13de52c4fadcc57c1eadd`

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