PDF malware analysis — malicious · 0c42520620c77591

MALICIOUS

PDF

33.7 KB Created: 2021-07-01 06:21:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: b1533e3df614923c56b32a6c015dfc60 SHA-1: dab708a6dbfb642a4fe7f15a7a89beb1c5a7867d SHA-256: 0c42520620c775914b886d2ee6a69c3d667525d964db0b34e70a71dee7a036bd

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.co/app/431946152/infinite-robux-for-free-game-hack PDF link annotation
- http://tasleemdubai.com/userfiles/files/wahoo-gaming-co-free-robux_GM431946152.pdfIn PDF document text
- http://tasleemdubai.com/userfiles/files/roblox-hack-hand-grabbing-players_GM431946152.pdfIn PDF document text
- http://tasleemdubai.com/userfiles/files/roblox-cheat-engine-hacks-2021_GM431946152.pdfIn PDF document text
- http://tasleemdubai.com/userfiles/files/minecraft-free-edition_GM479516143.pdfIn PDF document text
- http://tasleemdubai.com/userfiles/files/coin-master-connection-lost-hack_GM406889139.pdfIn PDF document text
- http://tasleemdubai.com/userfiles/files/coin-master-free-spin-codes_GM406889139.pdfIn PDF document text
- http://tasleemdubai.com/userfiles/files/free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- http://tasleemdubai.com/userfiles/files/free-robux-groups-2021_GM431946152.pdfIn PDF document text
- http://tasleemdubai.com/userfiles/files/free-robux-sites-that-work_GM431946152.pdfIn PDF document text
- http://tasleemdubai.com/userfiles/files/coin-master-free-spins-today-daily-links_GM406889139.pdfIn PDF document text
- http://tasleemdubai.com/userfiles/files/free-unlimited-coin-master-online-tool_GM406889139.pdfIn PDF document text
- http://tasleemdubai.com/userfiles/files/get-free-spins-coin-master-link_GM406889139.pdfIn PDF document text
- http://tasleemdubai.com/userfiles/files/free-robux-traders_GM431946152.pdfIn PDF document text
- http://tasleemdubai.com/userfiles/files/roblox-mobile-hack_GM431946152.pdfIn PDF document text
- http://tasleemdubai.com/userfiles/files/lazy-blocks-com-free-robux_GM431946152.pdfIn PDF document text
- http://tasleemdubai.com/userfiles/files/free-robux-hack-generator_GM431946152.pdfIn PDF document text
- http://tasleemdubai.com/userfiles/files/free-robux-glitch-2021_GM431946152.pdfIn PDF document text
- http://tasleemdubai.com/userfiles/files/coin-master-34-6-hack_GM406889139.pdfIn PDF document text
- http://tasleemdubai.com/userfiles/files/roblox-sign-in-free_GM431946152.pdfIn PDF document text
- http://tasleemdubai.com/userfiles/files/free-robux-roblox-bots_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_off00002e57.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2E57	21880 bytes
SHA-256: `c3d7fc9e54bd05c8ecba6bc1aa81fef46a63793e66c615f5dafdc559114db5d1`
`font_01_sfnt_off00005eea.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5EEA	18940 bytes
SHA-256: `66d88d4a84ddab57beec2df0817a6e643412974e8cdcb22a22d74917696279cb`

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