Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e697515ffa5944c…

MALICIOUS

PDF

42.9 KB Created: 2021-05-14 23:00:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 496f3d502325103f9de423ac128a7f0d SHA-1: 1edc2ecb1e9feee95fde409fae8c4ffdba67e1d1 SHA-256: 4e697515ffa5944c8c4e7c4a6ba0cba0dfba530f15339e68451fa8ef43f486db
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a lure for a Minecraft hack client, including a direct link to a suspicious URL and instructions for a password-protected archive. The ML classifier strongly flagged this PDF as malicious, and the presence of external URIs and download button lures further support a malicious intent. The document likely serves as a delivery mechanism for malware disguised as a game hack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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.xyz/app/479516143/minecraft-hack-client-download-game-hack
    • http://gops.pruszczgdanski.pl/images/coin-master-spin-free_GM406889139.pdf
    • http://gops.pruszczgdanski.pl/images/roblox-hacks-2021_GM431946152.pdf
    • http://gops.pruszczgdanski.pl/images/hack-coin-master-spin-apk_GM406889139.pdf
    • http://gops.pruszczgdanski.pl/images/robux-free-online_GM431946152.pdf
    • http://gops.pruszczgdanski.pl/images/coin-master-free-pin_GM406889139.pdf
    • http://gops.pruszczgdanski.pl/images/free-robux-websites-2021_GM431946152.pdf
    • http://gops.pruszczgdanski.pl/images/coin-master-hack-tool-download_GM406889139.pdf
    • http://gops.pruszczgdanski.pl/images/free-roblox-groups_GM431946152.pdf
    • http://gops.pruszczgdanski.pl/images/roblox-tracker_GM431946152.pdf
    • http://gops.pruszczgdanski.pl/images/free-spin-link-for-coin-master_GM406889139.pdf
    • http://gops.pruszczgdanski.pl/images/coin-master-free-coins-and-spins-blogspot_GM406889139.pdf
    • http://gops.pruszczgdanski.pl/images/coin-master-spins-hack-2021_GM406889139.pdf
    • http://gops.pruszczgdanski.pl/images/how-to-hack-minecraft_GM479516143.pdf
    • http://gops.pruszczgdanski.pl/images/coin-master-free-spins-link-today_GM406889139.pdf
    • http://gops.pruszczgdanski.pl/images/daily-free-spins-for-coin-master_GM406889139.pdf
    • http://gops.pruszczgdanski.pl/images/easy-robux-generator_GM431946152.pdf
    • http://gops.pruszczgdanski.pl/images/robuxmatchcon_GM431946152.pdf
    • http://gops.pruszczgdanski.pl/images/how-to-get-robux-for-free-2021_GM431946152.pdf
    • http://gops.pruszczgdanski.pl/images/free-robux-generator-no-human-verification-or-survey-2021_GM431946152.pdf
    • http://gops.pruszczgdanski.pl/images/free-robux-pin-codes_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000049c6.bin
7e28a121bb06b5523d741c52b6b78155fb4e443527035e80a5f610677a04d025		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x49C6 26952 bytes
font_01_sfnt_off000084bb.bin
f0322949221cc4e2c5002b867d751862f4cd6735e4a5ba01a0e5101b475bc55e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x84BB 18460 bytes

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