PDF malware analysis — malicious · 90de40f4ecfda28d

MALICIOUS

PDF

43.2 KB Created: 2021-05-13 13:24:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-24

MD5: ec78543dd82980eeae4f1e6fc88f8f27 SHA-1: dd9b4d12119d31ea2221adaf8fed18d8fb7dd360 SHA-256: 90de40f4ecfda28dfe9aefe02085c9d608c8d8db3ce93ca82f8b2a2936947306

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 0.9969

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/roblox-www-com-game-hack PDF link annotation
- http://tasleemdubai.com/userfiles/files/coin-master-hack-without-verification-code_GM406889139.pdfIn PDF document text
- http://tasleemdubai.com/userfiles/files/games-on-roblox-that-give-you-free-robux_GM431946152.pdfIn PDF document text
- http://tasleemdubai.com/userfiles/files/coin-master-daily-free-spins-link-app-download_GM406889139.pdfIn PDF document text
- http://tasleemdubai.com/userfiles/files/how-to-hack-a-roblox-account-2021_GM431946152.pdfIn PDF document text
- http://tasleemdubai.com/userfiles/files/robux-com-free_GM431946152.pdfIn PDF document text
- http://tasleemdubai.com/userfiles/files/coin-master-hack-online-generator-without-human-verification_GM406889139.pdfIn PDF document text
- http://tasleemdubai.com/userfiles/files/coin-master-raid-hack_GM406889139.pdfIn PDF document text
- http://tasleemdubai.com/userfiles/files/free-coin-master-spins-hack_GM406889139.pdfIn PDF document text
- http://tasleemdubai.com/userfiles/files/free-spins-in-coin-master-without-human-verification_GM406889139.pdfIn PDF document text
- http://tasleemdubai.com/userfiles/files/free-dominus-roblox_GM431946152.pdfIn PDF document text
- http://tasleemdubai.com/userfiles/files/jailbreak-roblox-hack_GM431946152.pdfIn PDF document text
- http://tasleemdubai.com/userfiles/files/free-spins-on-coin-master-iphone_GM406889139.pdfIn PDF document text
- http://tasleemdubai.com/userfiles/files/minecraft-hack-client-18-9_GM479516143.pdfIn PDF document text
- http://tasleemdubai.com/userfiles/files/hack-master-coin-pc_GM406889139.pdfIn PDF document text
- http://tasleemdubai.com/userfiles/files/how-to-get-free-robux-without-paying_GM431946152.pdfIn PDF document text
- http://tasleemdubai.com/userfiles/files/free-robux-generator_GM431946152.pdfIn PDF document text
- http://tasleemdubai.com/userfiles/files/free-robux-safe_GM431946152.pdfIn PDF document text
- http://tasleemdubai.com/userfiles/files/free-games-coin-master_GM406889139.pdfIn PDF document text
- http://tasleemdubai.com/userfiles/files/how-to-hack-people-on-roblox_GM431946152.pdfIn PDF document text
- http://tasleemdubai.com/userfiles/files/coin-master-hacks-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
`stream_003_off00004bcd.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4BCD	25224 bytes
SHA-256: `9dd6491b7823c0cd9c7b582b0d946dcddced503ca12404ec1196899807f5e30b`
`font_01_sfnt_off0000860c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x860C	18404 bytes
SHA-256: `60bf21497426e444910f978ca91597cd61b0d44562d98818a2a80ddd56a4b281`

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