PDF malware analysis — malicious · 043651d22956d7d1

MALICIOUS

PDF

43.7 KB Created: 2021-05-12 07:12:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-22

MD5: 0d38e95abd40c21757e3647184e70136 SHA-1: 29afd2a1b2fa7fbab59a3337d11ea9370aacfc55 SHA-256: 043651d22956d7d1b4d49e1843475b574c73f2bbd81ceb10a29c9a409a99f66d

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 0.9969

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.xyz/app/479516143/how-to-start-a-minecraft-server-for-free-game-hack PDF link annotation
- https://lesegais.ru/images/minecraft-windows-10-mod-menu_GM479516143.pdfIn PDF document text
- https://lesegais.ru/images/get-free-robux-generator_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/coin-master-spins-hack_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/free-unlimited-robux_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/coin-master-free-daily-spins-today_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/free-robux-app-2021_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/lazy-blocks-com-free-robux_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/can-you-give-me-free-robux_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/today-coin-master-spin-free_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/free-roblox-accounts-with-robux-that-work-not-banned_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/windows-10-minecraft-hacks_GM479516143.pdfIn PDF document text
- https://lesegais.ru/images/how-to-get-free-snacks-in-coin-master_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/how-to-hack-a-roblox-account-easy_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/minecraft-free-android_GM479516143.pdfIn PDF document text
- https://lesegais.ru/images/coin-master-daily-free-spins-blogspot_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/coin-master-free-spins-promo-code_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/hack-coin-master-apk-2021_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/coin-master-free-spins-2021-hack_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/coin-master-35-2-hack_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
`stream_003_off000049d8.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x49D8	28624 bytes
SHA-256: `3098baffe46f5c77b5b5c439af61e10e19a9e8581e33b4d0461ad2025d904422`
`font_01_sfnt_off0000899d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x899D	17988 bytes
SHA-256: `4f50b9796c9c5e6e2841d90a47ce680cd3d0047611852497406c2f0c8cfa935a`

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