PDF malware analysis — malicious · 4a3b2a5712f67326

MALICIOUS

PDF

44.5 KB Created: 2021-06-07 09:06:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: c4f7af5f12ad0b249200a10ce4ab2fd0 SHA-1: a51aa680525d705c68df46d2fa1e947a67d473b4 SHA-256: 4a3b2a5712f673264f971f6532a13f09833f222a62e3c47670132df8115786cf

62 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains embedded URLs and document body text that explicitly mention game cheats and generators for popular games, indicating a phishing or scam attempt. The ML classifier strongly flagged this PDF as malicious. The presence of multiple URLs pointing to the same IP address suggests a coordinated effort to distribute these lures.

Machine Learning

Nyx PDF Classifier malicious score 0.9865

Heuristics 4

Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL

PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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.tw/app/431946152/roblox-robux-generator-roblox-cheat-game-hack
- http://118.98.227.172/opac/repository/free-robux-com_GM431946152.pdf
- http://118.98.227.172/opac/repository/coin-master-hack-app_GM406889139.pdf
- http://118.98.227.172/opac/repository/get-coin-master-hack_GM406889139.pdf
- http://118.98.227.172/opac/repository/today-free-spin-coin-master_GM406889139.pdf
- http://118.98.227.172/opac/repository/roblox-arsenal-hacks-download_GM431946152.pdf
- http://118.98.227.172/opac/repository/hack-minecraft_GM479516143.pdf
- http://118.98.227.172/opac/repository/robux-best_GM431946152.pdf
- http://118.98.227.172/opac/repository/how-to-hack-someones-roblox-account_GM431946152.pdf
- http://118.98.227.172/opac/repository/how-to-get-free-robux-easy-no-download_GM431946152.pdf
- http://118.98.227.172/opac/repository/how-to-get-free-roblox_GM431946152.pdf
- http://118.98.227.172/opac/repository/minecraft-116-1-download_GM479516143.pdf
- http://118.98.227.172/opac/repository/free-roblox-groups-with-funds_GM431946152.pdf
- http://118.98.227.172/opac/repository/www-rubux_GM431946152.pdf
- http://118.98.227.172/opac/repository/how-to-buy-robux-for-free_GM431946152.pdf
- http://118.98.227.172/opac/repository/how-to-get-roblox-credit-for-free_GM431946152.pdf
- http://118.98.227.172/opac/repository/free-spins-for-coin-master_GM406889139.pdf
- http://118.98.227.172/opac/repository/minecraft-download-free-download_GM479516143.pdf
- http://118.98.227.172/opac/repository/coin-master-daily-free-spins-2021_GM406889139.pdf
- http://118.98.227.172/opac/repository/adopt-me-hacks-on-roblox_GM431946152.pdf
- http://118.98.227.172/opac/repository/free-robux-no-verification_GM431946152.pdf
- https://www.communes.com
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_004_off0000512f.bin` `62313f1369bf9b80190d4d4fa59a85daa622f8af86e5059a2be94862d3395896`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x512F	24856 bytes
`font_01_sfnt_off00008ab8.bin` `0c68651f223c52252d22122da1135dd67bc322dddef92e32360110f8cc60a747`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8AB8	18424 bytes

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