Malicious PDF — malware analysis report

Static analysis result for SHA-256 b80d1bf46cb332b9…

MALICIOUS

PDF

42.4 KB Created: 2021-05-14 16:21:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: c008c6f83b593283831095a4d562bc3f SHA-1: 94d9f89e4268c002db98e0f781c0849b569aa8f0 SHA-256: b80d1bf46cb332b999c80d5aaee4f022bbf0e64787854c0cbaf749f402d8b7ff
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains multiple embedded URLs and a call-to-action phrase, strongly suggesting a lure for downloading malicious content. The ML classifier also flagged this PDF as malicious with high confidence. While no scripts were directly extracted, the presence of external URIs and the document's deceptive content indicate it's designed to trick users into downloading malware, likely related to game cheats or exploits.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 4

  • QR-code redirect lure medium SE_QR_LURE
    Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
  • 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-2021-game-hack
    • http://zagorjeadventureteam.hr/files/coin-master-daily-free-spins_GM406889139.pdf
    • https://www.zagorjeadventureteam.hr/files/minecraft-story-mode-free-download_GM479516143.pdf
    • https://www.zagorjeadventureteam.hr/files/how-to-get-free-robux-without-any-verification_GM431946152.pdf
    • http://zagorjeadventureteam.hr/files/how-to-get-free-robux-without-verifying-2021_GM431946152.pdf
    • http://zagorjeadventureteam.hr/files/free-spin-coin-master-2021-link_GM406889139.pdf
    • https://www.zagorjeadventureteam.hr/files/minecraft-reach-hack_GM479516143.pdf
    • http://zagorjeadventureteam.hr/files/instagram-coin-master-free-spins_GM406889139.pdf
    • http://zagorjeadventureteam.hr/files/free-coins-and-spins-for-coin-master_GM406889139.pdf
    • https://www.zagorjeadventureteam.hr/files/to-get-free-robux_GM431946152.pdf
    • https://www.zagorjeadventureteam.hr/files/coin-master-free-spins-link-today-new-2021_GM406889139.pdf
    • https://www.zagorjeadventureteam.hr/files/minecraft-pocket-edition-free-ios_GM479516143.pdf
    • http://zagorjeadventureteam.hr/files/minecraft-free-games-no-download_GM479516143.pdf
    • https://www.zagorjeadventureteam.hr/files/coin-master-hack-online-generator-without-human-verification_GM406889139.pdf
    • http://zagorjeadventureteam.hr/files/robloxmatchcom-free-robux_GM431946152.pdf
    • https://www.zagorjeadventureteam.hr/files/free-minecraft-coloring-pages_GM479516143.pdf
    • https://www.zagorjeadventureteam.hr/files/funbloxxyz-free-robux_GM431946152.pdf
    • http://zagorjeadventureteam.hr/files/link-for-free-spins-on-coin-master_GM406889139.pdf
    • http://zagorjeadventureteam.hr/files/coin-spin_GM406889139.pdf
    • https://www.zagorjeadventureteam.hr/files/coin-master-hacks-to-get-spins_GM406889139.pdf
    • https://www.zagorjeadventureteam.hr/files/free-spins-for-coin-master-2021_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004a51.bin
bd33df91b05920546fdf1246d772769c241872387b2a08b525f3c03c5a930101		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A51 25000 bytes
font_01_sfnt_off000083ea.bin
c4871d7a9fac3ab188a2e56e86996e0c49dc42d21a9daf4a9eb4f35130b88c58		 pdf-font-stream PDF embedded font (sfnt) at offset 0x83EA 18140 bytes

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