PDF malware analysis — malicious · 38b5e2a399bd692c

MALICIOUS

PDF

34.7 KB Created: 2021-07-03 11:40:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-07

MD5: 69e825bef2624cf2ae67762f5382e06b SHA-1: 111cc83e90ba54ffbbba09210c77dbe1a82c616b SHA-256: 38b5e2a399bd692c333623e9697634d563cdde59e5ff1a2f8d1dc437c18b6adb

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a lure for 'free Robux' and game hacks, directing users to the URL http://netcdn.tw/app/431946152/free-robux-com-game-hack. This URL is flagged as a redirector for malicious content. The document's structure and embedded links suggest it is part of a phishing or scam campaign designed to trick users into visiting potentially harmful sites.

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/431946152/free-robux-com-game-hack PDF link annotation
- https://www.awmedicine.com/uploaded_files/userfiles/files/earn-robux_GM431946152.pdfIn PDF document text
- https://www.awmedicine.com/uploaded_files/userfiles/files/pubg-uc-qiymetleri_GM1330123889.pdfIn PDF document text
- https://www.awmedicine.com/uploaded_files/userfiles/files/coinmaster-fan-page_GM406889139.pdfIn PDF document text
- https://www.awmedicine.com/uploaded_files/userfiles/files/free-robux-games_GM431946152.pdfIn PDF document text
- https://www.awmedicine.com/uploaded_files/userfiles/files/easy-robux-today-for-free_GM431946152.pdfIn PDF document text
- https://www.awmedicine.com/uploaded_files/userfiles/files/how-to-hack-coin-master_GM406889139.pdfIn PDF document text
- https://www.awmedicine.com/uploaded_files/userfiles/files/glasses-roblox-free_GM431946152.pdfIn PDF document text
- https://www.awmedicine.com/uploaded_files/userfiles/files/how-to-get-free-robux-from-groups_GM431946152.pdfIn PDF document text
- https://www.awmedicine.com/uploaded_files/userfiles/files/online-coin-master-free-spin-app_GM406889139.pdfIn PDF document text
- https://www.awmedicine.com/uploaded_files/userfiles/files/free-coins-and-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- https://www.awmedicine.com/uploaded_files/userfiles/files/free-coins-coin-master-daily_GM406889139.pdfIn PDF document text
- https://www.awmedicine.com/uploaded_files/userfiles/files/free-roblox-avatar-ideas_GM431946152.pdfIn PDF document text
- https://www.awmedicine.com/uploaded_files/userfiles/files/counter-roblox-hacks_GM431946152.pdfIn PDF document text
- https://www.awmedicine.com/uploaded_files/userfiles/files/how-to-hack-roblox-on-mobile_GM431946152.pdfIn PDF document text
- https://www.awmedicine.com/uploaded_files/userfiles/files/roblox-april-fools-hack_GM431946152.pdfIn PDF document text
- https://www.awmedicine.com/uploaded_files/userfiles/files/nopde-engine-roblox-hacks_GM431946152.pdfIn PDF document text
- https://www.awmedicine.com/uploaded_files/userfiles/files/haktuts-coin-master-hack_GM406889139.pdfIn PDF document text
- https://www.awmedicine.com/uploaded_files/userfiles/files/free-robux-websites-that-hack-your-account_GM431946152.pdfIn PDF document text
- https://www.awmedicine.com/uploaded_files/userfiles/files/collect-robux_GM431946152.pdfIn PDF document text
- https://www.awmedicine.com/uploaded_files/userfiles/files/free-robux-mobile_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
`font_00_sfnt_off00002f43.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2F43	22928 bytes
SHA-256: `7cf3eccbe7d7f1334edca2c5a7dc37671dbb8a2551e5e51ac13328c670043d7b`
`font_01_sfnt_off00006309.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6309	18976 bytes
SHA-256: `20782bd0acfe52469dc9f14a315b4aee1c9563688044d1d6d3a516ef71528a8c`

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