PDF malware analysis — malicious · 70e3abc094032f92

MALICIOUS

PDF

33.9 KB Created: 2021-07-04 04:54:29 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: b4ef517869982c706f658845b83c4385 SHA-1: 73bfd3e9a6d33e7d3d7ea3d95e2c6aa97d08e799 SHA-256: 70e3abc094032f922bc11071eaf1de4ff1520ab13fcb615d45a2ab83405c00a6

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/coin-master-free-spins-app-for-iphone-game-hack PDF link annotation
- http://clinicamanila.com/ckfinder/userfiles/files/coin-master-hack-no-human-verification_GM406889139.pdfIn PDF document text
- http://clinicamanila.com/ckfinder/userfiles/files/hacks-for-falling-that-actually-work-roblox_GM431946152.pdfIn PDF document text
- http://clinicamanila.com/ckfinder/userfiles/files/free-tiktok-followers-without-verification_GM835599320.pdfIn PDF document text
- http://clinicamanila.com/ckfinder/userfiles/files/tiktok-followers-for-free_GM835599320.pdfIn PDF document text
- http://clinicamanila.com/ckfinder/userfiles/files/moonactive-free-spins-link_GM406889139.pdfIn PDF document text
- http://clinicamanila.com/ckfinder/userfiles/files/roblox-hack-bars-2021_GM431946152.pdfIn PDF document text
- http://clinicamanila.com/ckfinder/userfiles/files/coin-master-hack-without-human-verification-2021_GM406889139.pdfIn PDF document text
- http://clinicamanila.com/ckfinder/userfiles/files/today-coin-master-spin-free_GM406889139.pdfIn PDF document text
- http://clinicamanila.com/ckfinder/userfiles/files/free-robux-codes-generator_GM431946152.pdfIn PDF document text
- http://clinicamanila.com/ckfinder/userfiles/files/roblox-robux-hack-no-download-no-survey-2021_GM431946152.pdfIn PDF document text
- http://clinicamanila.com/ckfinder/userfiles/files/how-to-cheat-lots-of-robloxs_GM431946152.pdfIn PDF document text
- http://clinicamanila.com/ckfinder/userfiles/files/how-to-get-free-tiktok-followers_GM835599320.pdfIn PDF document text
- http://clinicamanila.com/ckfinder/userfiles/files/how-to-hack-people-on-roblox_GM431946152.pdfIn PDF document text
- http://clinicamanila.com/ckfinder/userfiles/files/tiktok-like-bot-free_GM835599320.pdfIn PDF document text
- http://clinicamanila.com/ckfinder/userfiles/files/minecraft-com-free_GM479516143.pdfIn PDF document text
- http://clinicamanila.com/ckfinder/userfiles/files/roblox-arsenal-free-vip-server-2021_GM431946152.pdfIn PDF document text
- http://clinicamanila.com/ckfinder/userfiles/files/free-5-robux-site_GM431946152.pdfIn PDF document text
- http://clinicamanila.com/ckfinder/userfiles/files/how-to-get-free-robux-september-2021_GM431946152.pdfIn PDF document text
- http://clinicamanila.com/ckfinder/userfiles/files/hacker-speech-roblox_GM431946152.pdfIn PDF document text
- http://clinicamanila.com/ckfinder/userfiles/files/minecraft-hacks-ps4_GM479516143.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_off00003021.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3021	22388 bytes
SHA-256: `b65e094e7701f53f26bcb7b99ee738628400cd256cf94f9be39341d375f53149`
`font_01_sfnt_off000061e9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x61E9	18340 bytes
SHA-256: `22ec7c2df2d9c103e59d81394999ffb41531b6d4357b2311b3951123c8e62034`

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