Malicious PDF — malware analysis report

Static analysis result for SHA-256 45a8a0316404d020…

MALICIOUS

PDF

34.4 KB Created: 2021-07-01 01:12:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 3ee00127befbf99bf3c52ae855e8be90 SHA-1: 8d623e209d0e3d012e93f6d920c4f4303a775c18 SHA-256: 45a8a0316404d020d9c66dd409442bc4b29d9281c6e5cf59e1d3a5efe6fe5525
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document contains lures for popular games, aiming to trick users into downloading a payload from the URL http://netcdn.co/app/431946152/free-robux-org-wee-bl-y-com-game-hack. The heuristic 'SE_CLIPBOARD_COMMAND_LURE' indicates the document likely instructs the user to execute commands, potentially to download and run the secondary payload. The ML classifier also strongly flagged this PDF as malicious.

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-robux-org-wee-bl-y-com-game-hack PDF link annotation
    • https://asiavisiontreks.com/userfiles/files/roblox-group-free-robux_GM431946152.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/roblox-report-hacker_GM431946152.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/roblox-cheats-for-money-2021_GM431946152.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/coin-master-34-6-hack_GM406889139.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/how-to-get-free-snacks-on-coin-master_GM406889139.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/coin-master-hack-software-download_GM406889139.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/how-to-get-java-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/plug-toolbox-for-minecraft-free-ios_GM479516143.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/minecraft-bedrock-free-download_GM479516143.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/free-spin-link-in-coin-master_GM406889139.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/how-to-get-free-robux-in-2021_GM431946152.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/get-free-coin-master_GM406889139.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/free-robux-no-verification-no-download_GM431946152.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/minecraft-free-reddit_GM479516143.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/free-spin-today-coin-master_GM406889139.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/roblox-adopt-me-free-fly-potion_GM431946152.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/roblox-scp-site-61-hack_GM431946152.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/free-roblox-app_GM431946152.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/coin-master-hacks-iphone_GM406889139.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/minecraft-pe-016-0-apk-download-free_GM479516143.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_off00002f96.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F96 21936 bytes
SHA-256: 0a2f4f3b6e4cb0831aee5068a55f2481dfda9b8d8435517ed4a41145604a0161
font_01_sfnt_off00006058.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6058 19412 bytes
SHA-256: df53d0f1a7f0abe2816312e520891290dba79fd593107b047a16f25d0555de3e

Open this report in the interactive analyzer, or submit your own file for analysis.