Malicious PDF — malware analysis report

Static analysis result for SHA-256 40a1f5f0e5d5290f…

MALICIOUS

PDF

45.1 KB Created: 2021-06-03 08:58:28 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 7308d4ca941493cfcd2bbe3fd6e89a8b SHA-1: b3ddc82fcac42fdb30efe686ea5282c2e681a040 SHA-256: 40a1f5f0e5d5290f14a6977a2a2169131c1a4f66889f9d24f40962770cfc6b4b
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious File

The PDF document contains lures for game-related hacks and exploits, directing users to download files from external URLs. It also includes a heuristic indicating a lure to execute commands via the clipboard, suggesting a multi-stage attack. The primary malicious URL identified is https://netcdn.online/app/479516143/aternos-free-minecraft-server-game-hack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

Heuristics 4

  • Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE
    Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
  • 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/479516143/aternos-free-minecraft-server-game-hack PDF link annotation
    • https://www.sarsen.net/uploads/files/files/coin-master-free-coins-and-spins_GM406889139.pdfIn PDF document text
    • https://www.sarsen.net/uploads/files/files/minecraft-xbox-360-free-download-code_GM479516143.pdfIn PDF document text
    • https://www.sarsen.net/uploads/files/files/free-spins-and-coins-coin-master-facebook_GM406889139.pdfIn PDF document text
    • https://www.sarsen.net/uploads/files/files/get-free-coin-master_GM406889139.pdfIn PDF document text
    • https://www.sarsen.net/uploads/files/files/spin-rewards-coin-master_GM406889139.pdfIn PDF document text
    • https://www.sarsen.net/uploads/files/files/easy-way-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.sarsen.net/uploads/files/files/coin-master-hack-version-ios_GM406889139.pdfIn PDF document text
    • https://www.sarsen.net/uploads/files/files/minecraft-free-download-chromebook_GM479516143.pdfIn PDF document text
    • https://www.sarsen.net/uploads/files/files/how-to-get-gold-cards-on-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://www.sarsen.net/uploads/files/files/body-roblox_GM431946152.pdfIn PDF document text
    • https://www.sarsen.net/uploads/files/files/coin-master-hack-app-ios-download_GM406889139.pdfIn PDF document text
    • https://www.sarsen.net/uploads/files/files/ways-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.sarsen.net/uploads/files/files/how-to-get-free-robux-in-2021_GM431946152.pdfIn PDF document text
    • https://www.sarsen.net/uploads/files/files/minecraft-java-edition-download-free_GM479516143.pdfIn PDF document text
    • https://www.sarsen.net/uploads/files/files/roblox-free-pants_GM431946152.pdfIn PDF document text
    • https://www.sarsen.net/uploads/files/files/master-coin-hack-app_GM406889139.pdfIn PDF document text
    • https://www.sarsen.net/uploads/files/files/roblox-controversy_GM431946152.pdfIn PDF document text
    • https://www.sarsen.net/uploads/files/files/how-to-change-username-on-roblox-for-free_GM431946152.pdfIn PDF document text
    • https://www.sarsen.net/uploads/files/files/free-tiktok-likes-2021_GM835599320.pdfIn PDF document text
    • https://www.sarsen.net/uploads/files/files/coin-master-hack-xyz-apk-download_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00005541.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5541 25560 bytes
SHA-256: c78118e768f62d50cf9eb8b5b788e2ca172a0131b0e477bfcc16110ebfde9325
font_01_sfnt_off00008f4e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8F4E 17824 bytes
SHA-256: 04e228694d9982d1c7efe163f2653fab57675f1ecbbe7e635aa0b095f728f7e2

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