Malicious PDF — malware analysis report

Static analysis result for SHA-256 eebdcf75a1bec212…

MALICIOUS

PDF

35.7 KB Created: 2021-06-30 00:57:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: eaa69855b9ffdc7a73b42c56fce7b8bb SHA-1: 04a61d724a20924d58d945127237b40fa258b94d SHA-256: eebdcf75a1bec2129a33e764dc57f634e04c8da79e3ea0fca91a5f1858159feb
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell T1059.003 Windows Command Shell T1203 Exploitation for Client Execution

The document uses a lure related to Roblox game hacks and free items to entice users. It contains an external URI pointing to a suspicious domain and instructs the user to copy/paste content into a command-line interface, indicating an attempt to execute arbitrary commands. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/free-catalog-things-you-never-knew-existed-roblox-game-hack PDF link annotation
    • https://labdagatismk1pundong.com/repository/roblox-gift-card-codes-for-free_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/roblox-apocalypse-rising-hack_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/free-roblox-printables_GM431946152.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/roblox-android-cheats_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/how-to-hack-into-someones-roblox-account_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/free-roblox-accounts-with-robux-2021-april_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/free-minecraft-server-hosting-with-plugins_GM479516143.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/free-robux-generator-for-kids_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/hack-coin-master-for-android_GM406889139.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/roblox-app-download-for-free_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/roblox-robux-hack-video_GM431946152.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/roblox-games-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/coin-master-village-3_GM406889139.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/free-roblox-wallpapers_GM431946152.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/free-spins-coin-master-twitter_GM406889139.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/free-roblox-accounts-hack_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/robux-free-hack-xyz_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/free-coins-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/easy-way-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/roblox-com-hack_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003235.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3235 22504 bytes
SHA-256: 0b753d9653d9d387d3dbd822778fe77ad82f725dcd448ecbe38986647cf77714
font_01_sfnt_off00006431.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6431 19796 bytes
SHA-256: 062e47347df00f41accdbd5d0a82bade2d258d97d57ba51770438fea54e72ce0

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