PDF malware analysis — malicious · 5466b47a58fc769c

MALICIOUS

PDF

43.5 KB Created: 2021-06-03 11:35:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: c8b9bf81bcc6d5063ebd7f17b792d31a SHA-1: 11757025984859d7e52c02bf7a573655233d2036 SHA-256: 5466b47a58fc769c8dd93b4a10694b44db96fa527e23079d75c2ef33136bcf44

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The document contains a lure for free game items and includes a link to an external URL, likely to download a payload. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' suggests that the downloaded content might be encrypted, requiring a password provided within the document to decrypt it. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

Nyx PDF Classifier malicious score 0.9865

Heuristics 4

Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE

Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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.online/app/431946152/how-to-get-free-hats-on-roblox-game-hack
- http://library.fisip.upnvj.ac.id/repository/hack-the-coin-master-game_GM406889139.pdf
- http://library.fisip.upnvj.ac.id/repository/minecraft-pe-free-ios_GM479516143.pdf
- http://library.fisip.upnvj.ac.id/repository/tiktok-for-free-textbooks_GM835599320.pdf
- http://library.fisip.upnvj.ac.id/repository/free-minecraft-bedrock-server_GM479516143.pdf
- http://library.fisip.upnvj.ac.id/repository/coin-master-hack-download-ios_GM406889139.pdf
- http://library.fisip.upnvj.ac.id/repository/coin-master-free-spins-hack-but-no-surveys_GM406889139.pdf
- http://library.fisip.upnvj.ac.id/repository/hack-coin-master-apk-mod_GM406889139.pdf
- http://library.fisip.upnvj.ac.id/repository/free-coin-master-spins-and-coins_GM406889139.pdf
- http://library.fisip.upnvj.ac.id/repository/play-minecraft-for-free_GM479516143.pdf
- http://library.fisip.upnvj.ac.id/repository/coin-master-free-coins-link-facebook_GM406889139.pdf
- http://library.fisip.upnvj.ac.id/repository/earn-robux-com_GM431946152.pdf
- http://library.fisip.upnvj.ac.id/repository/robloxmatchcom-free-robux_GM431946152.pdf
- http://library.fisip.upnvj.ac.id/repository/huskybuckscom-free-robux_GM431946152.pdf
- http://library.fisip.upnvj.ac.id/repository/coin-master-hack-apk-35-11_GM406889139.pdf
- http://library.fisip.upnvj.ac.id/repository/no-scam-free-robux_GM431946152.pdf
- http://library.fisip.upnvj.ac.id/repository/free-roblox-clothes-templates_GM431946152.pdf
- http://library.fisip.upnvj.ac.id/repository/coin-master-hack-free-spins_GM406889139.pdf
- http://library.fisip.upnvj.ac.id/repository/coin-master-fun-hack-online_GM406889139.pdf
- http://library.fisip.upnvj.ac.id/repository/roblox-tix-generator_GM431946152.pdf
- http://library.fisip.upnvj.ac.id/repository/coin-master-hack-ios-no-jailbreak_GM406889139.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000051fd.bin` `ecd759c6fd874f67987f72bac19e27811c443ee03873871bb391fbbdda7fa2d0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x51FD	23516 bytes
`font_01_sfnt_off000086ce.bin` `f9b9939c38b76b443be916ca51f6b578d8365b374db70a09f9dd3538b986228f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x86CE	18444 bytes

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