PDF malware analysis — malicious · df45ac11fa20817b

MALICIOUS

PDF

43.9 KB Created: 2021-05-10 16:35:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05

MD5: 0498b68310ed65a989ab5d7b7f9672f7 SHA-1: 71c306a8b4b6cc515fe6bfd5111d8e0121e85d49 SHA-256: df45ac11fa20817bac99c7baadc27523138332b26c191600eb3f511b38cec04c

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document contains multiple links that are designed to lure users into believing they can obtain free game currency or hacks. The primary link, https://netcdn.xyz/app/431946152/robux-hacks-2021-game-hack, and other embedded URLs suggest a phishing or scam attempt. The ML classifier also strongly indicated maliciousness.

Machine Learning

Nyx PDF Classifier malicious score 0.9977

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/431946152/robux-hacks-2021-game-hack PDF link annotation
- http://www.glabintl.com/uploaded_files/userfiles/files/free-robux-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
- http://www.glabintl.com/uploaded_files/userfiles/files/apk-coin-master-hack_GM406889139.pdfIn PDF document text
- http://www.glabintl.com/uploaded_files/userfiles/files/free-robux-no-survey-or-human-verification_GM431946152.pdfIn PDF document text
- http://www.glabintl.com/uploaded_files/userfiles/files/coin-master-hack-version-download-2021_GM406889139.pdfIn PDF document text
- http://www.glabintl.com/uploaded_files/userfiles/files/coin-master-free-coins-and-spins-link_GM406889139.pdfIn PDF document text
- http://www.glabintl.com/uploaded_files/userfiles/files/public-enemy-sun-prairie-coin-master-free-spins_GM406889139.pdfIn PDF document text
- http://www.glabintl.com/uploaded_files/userfiles/files/coin-master-hack-for-ios_GM406889139.pdfIn PDF document text
- http://www.glabintl.com/uploaded_files/userfiles/files/get-free-robux-info_GM431946152.pdfIn PDF document text
- http://www.glabintl.com/uploaded_files/userfiles/files/coin-master-free-chest-link_GM406889139.pdfIn PDF document text
- http://www.glabintl.com/uploaded_files/userfiles/files/coin-master-free-spin-reward-links_GM406889139.pdfIn PDF document text
- http://www.glabintl.com/uploaded_files/userfiles/files/roblox-free-robux-website_GM431946152.pdfIn PDF document text
- http://www.glabintl.com/uploaded_files/userfiles/files/create-minecraft-server-free_GM479516143.pdfIn PDF document text
- http://www.glabintl.com/uploaded_files/userfiles/files/free-spins-and-coins-coin-master_GM406889139.pdfIn PDF document text
- http://www.glabintl.com/uploaded_files/userfiles/files/code-free-robux_GM431946152.pdfIn PDF document text
- http://www.glabintl.com/uploaded_files/userfiles/files/free-coin-master-spins-and-coins_GM406889139.pdfIn PDF document text
- http://www.glabintl.com/uploaded_files/userfiles/files/coin-master-spin-link-free_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_off000046ee.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x46EE	29156 bytes
SHA-256: `0d880b41876c5da79de3c2b706fbd8ab43b1268b6a4d71a4c19ab0e9516c2544`
`font_01_sfnt_off00008830.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8830	18648 bytes
SHA-256: `03ab0df94635c5ebeb05191dd2fda9aa410ed650044dc459735f8f7cc99ee4ee`

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