Malicious PDF — malware analysis report

Static analysis result for SHA-256 ed4866526704f74b…

MALICIOUS

PDF

35.5 KB Created: 2021-06-17 20:12:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 16a9104d238d3cf41462e52a99aa74fd SHA-1: 6d15ae5859a0706a6852c9c5426e35cbaf1595b8 SHA-256: ed4866526704f74bf8f709d6a9b89d78fd60cf68002455f5f0e51771c6cf9a92
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF document, generated by wkhtmltopdf, contains embedded URLs and a document body that promotes free in-game currency for Roblox. Heuristics indicate the document attempts to lure the user into executing commands or downloading files, likely to obtain the promised in-game currency. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is a lure for a malicious payload.

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/codes-for-roblox-to-get-free-robux-game-hack PDF link annotation
    • https://ozkara.be/wp-content/uploads/fsqm-files/roblox-hack-me_GM431946152.pdfIn PDF document text
    • https://ozkara.be/wp-content/uploads/fsqm-files/free-money-in-ultimate-driving-roblox_GM431946152.pdfIn PDF document text
    • https://ozkara.be/wp-content/uploads/fsqm-files/coolest-free-roblox-items_GM431946152.pdfIn PDF document text
    • https://ozkara.be/wp-content/uploads/fsqm-files/roblox-hack-jailbreak-2021_GM431946152.pdfIn PDF document text
    • https://ozkara.be/wp-content/uploads/fsqm-files/btools-hack-roblox-download-2021_GM431946152.pdfIn PDF document text
    • https://ozkara.be/wp-content/uploads/fsqm-files/flubhack-roblox_GM431946152.pdfIn PDF document text
    • https://ozkara.be/wp-content/uploads/fsqm-files/hacked-pants-roblox_GM431946152.pdfIn PDF document text
    • https://ozkara.be/wp-content/uploads/fsqm-files/como-hackear-assassin-en-roblox-2021_GM431946152.pdfIn PDF document text
    • https://ozkara.be/wp-content/uploads/fsqm-files/free-promo-codes-in-roblox-2021_GM431946152.pdfIn PDF document text
    • https://ozkara.be/wp-content/uploads/fsqm-files/minecraft-education-edition-free_GM479516143.pdfIn PDF document text
    • https://ozkara.be/wp-content/uploads/fsqm-files/auto-rap-battles-roblox-hack_GM431946152.pdfIn PDF document text
    • https://ozkara.be/wp-content/uploads/fsqm-files/dbaf-hacked-roblox_GM431946152.pdfIn PDF document text
    • https://ozkara.be/wp-content/uploads/fsqm-files/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • https://ozkara.be/wp-content/uploads/fsqm-files/roblox-robux-hack-apk-no-human-verification_GM431946152.pdfIn PDF document text
    • https://ozkara.be/wp-content/uploads/fsqm-files/how-to-get-free-robux-in-claim-gg_GM431946152.pdfIn PDF document text
    • https://ozkara.be/wp-content/uploads/fsqm-files/how-to-get-free-robux-on-a-group_GM431946152.pdfIn PDF document text
    • https://ozkara.be/wp-content/uploads/fsqm-files/how-to-get-free-robux-no-survey-no-password_GM431946152.pdfIn PDF document text
    • https://ozkara.be/wp-content/uploads/fsqm-files/tiktok-views-free_GM835599320.pdfIn PDF document text
    • https://ozkara.be/wp-content/uploads/fsqm-files/minecraft-pe-free-download_GM479516143.pdfIn PDF document text
    • https://ozkara.be/wp-content/uploads/fsqm-files/free-spins-and-coins-coin-master_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
font_00_sfnt_off00003472.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3472 22400 bytes
SHA-256: fb7958d70552d49c4ef8d480b9e355d0e7e11cb06cf04092ce55b220673ba28f
font_01_sfnt_off0000665b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x665B 18884 bytes
SHA-256: d9b7491316ca5ed7df859ba61885e1fff4271db5f8348ec69f6ee75b36517ab8

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