PDF malware analysis — malicious · 70c0a430f43bf4c7

MALICIOUS

PDF

35.5 KB Created: 2021-07-05 08:03:51 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18

MD5: e99ceb01d7d840e4b2252352600e6d05 SHA-1: 9ab0546447ee262ad4536c03b332195b9ce7b938 SHA-256: 70c0a430f43bf4c7da3136221a83752ac7445fdcb7da4327e2fe055ecbc65346

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/431946152/free-robux-codes-no-verification-game-hack PDF link annotation
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/coin-master-cheat-codes-free_GM406889139.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/does-pubg-uc-generator-work_GM1330123889.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/free-robux-for-kids_GM431946152.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/minecraft-the-complete-handbook-collection_GM479516143.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/coin-master-2021-free-spins_GM406889139.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/free-executor-roblox_GM431946152.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/minecraft-pe-free-download-ios_GM479516143.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/spin-coin-master-free_GM406889139.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/free-robux-with-no-downloading-games_GM431946152.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/toolbox-apk_GM479516143.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/roblox-free-robux-tampermonkey_GM431946152.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/counter-blox-roblox-offensive-hacks-2021-v3rmillion_GM431946152.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/roblox-hack-unlimited-robux_GM431946152.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/avatar-de-roblox_GM431946152.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/denis-free-robux-code_GM431946152.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/free-robux-generator-no-survey-human-verification_GM431946152.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/how-to-hack-to-get-robux_GM431946152.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/roblox-play-for-free-online-no-download_GM431946152.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/roblox-robux-hack_GM431946152.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/free-400-spins-coins-master_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_off00003232.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3232	22792 bytes
SHA-256: `af4a072c662bd2346c08ad4fe638e032431c4dab0dccc0cdb2e98b6d8d69b6ac`
`font_01_sfnt_off0000651e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x651E	19248 bytes
SHA-256: `7c118f3686e549365112848f1cfe4604feffe3fb38e17c4b52e8f2bf9bb9aa8d`

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