PDF malware analysis — malicious · 46e0db4b017d88b1

MALICIOUS

PDF

33.8 KB Created: 2021-07-08 23:38:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 09b8404db435746b28f7fd343ea9499e SHA-1: 810d2b126996d094c08f17458f4c281a43d560e7 SHA-256: 46e0db4b017d88b18f6fe79157b29d34e6b785ae932e1eb147fda9c602795c3f

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-hacker-mask-game-hack PDF link annotation
- http://vermaagri.com/uploaded_files/userfiles/files/coin-master-hack-no-download_GM406889139.pdfIn PDF document text
- http://www.vermaagri.com/uploaded_files/userfiles/files/minecraft-pe-server-hosting-free_GM479516143.pdfIn PDF document text
- http://www.vermaagri.com/uploaded_files/userfiles/files/coin-master-free-spins-link-today-new_GM406889139.pdfIn PDF document text
- http://www.vermaagri.com/uploaded_files/userfiles/files/inappropriate-roblox-games_GM431946152.pdfIn PDF document text
- http://www.vermaagri.com/uploaded_files/userfiles/files/rbxcashcom-watch-videos-complete-offers-withdraw-to-robux-for-free_GM431946152.pdfIn PDF document text
- http://vermaagri.com/uploaded_files/userfiles/files/how-to-get-free-robux-without-download-apps-or-survey_GM431946152.pdfIn PDF document text
- http://vermaagri.com/uploaded_files/userfiles/files/coin-master-hack-program_GM406889139.pdfIn PDF document text
- http://www.vermaagri.com/uploaded_files/userfiles/files/how-to-hack-roblox_GM431946152.pdfIn PDF document text
- http://vermaagri.com/uploaded_files/userfiles/files/hack-coin-master-apk-33_GM406889139.pdfIn PDF document text
- http://www.vermaagri.com/uploaded_files/userfiles/files/daily-coin-master-free-spins_GM406889139.pdfIn PDF document text
- http://vermaagri.com/uploaded_files/userfiles/files/www-claim-gg-to-earn-free-robux_GM431946152.pdfIn PDF document text
- http://www.vermaagri.com/uploaded_files/userfiles/files/wurst-hacked-client_GM479516143.pdfIn PDF document text
- http://www.vermaagri.com/uploaded_files/userfiles/files/free-roblox-intro_GM431946152.pdfIn PDF document text
- http://vermaagri.com/uploaded_files/userfiles/files/free-roblox-sut_GM431946152.pdfIn PDF document text
- http://www.vermaagri.com/uploaded_files/userfiles/files/roblox-arsenal-hacks-download_GM431946152.pdfIn PDF document text
- http://vermaagri.com/uploaded_files/userfiles/files/free-spins-and-coins-coin-master-app_GM406889139.pdfIn PDF document text
- http://www.vermaagri.com/uploaded_files/userfiles/files/roblox-admin-hack-seth_GM431946152.pdfIn PDF document text
- http://vermaagri.com/uploaded_files/userfiles/files/join-the-group-for-a-free-sword-roblox_GM431946152.pdfIn PDF document text
- http://www.vermaagri.com/uploaded_files/userfiles/files/roblox-hack-unlimited-robux_GM431946152.pdfIn PDF document text
- http://www.vermaagri.com/uploaded_files/userfiles/files/coin-master-hack-without-verification-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_off0000312a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x312A	22424 bytes
SHA-256: `b1bccaa94e6f98190b835b1e09f661cce4fc47c0e6326c8f32f56fc176210bc1`
`font_01_sfnt_off00006285.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6285	18024 bytes
SHA-256: `1c9d96dc2872e32a417b1efa44fe2d308041ce7ded0f789352e35eeb38f40ed7`

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