Malicious PDF — malware analysis report

Static analysis result for SHA-256 6d5db9d9186a3ec7…

MALICIOUS

PDF

42.4 KB Created: 2021-05-11 23:40:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: dc74bc37da58acfed4b832b7303208f2 SHA-1: b0d42dc6fcefff86fba8ccc0bbf19998707b3992 SHA-256: 6d5db9d9186a3ec79507a57849a1d05e848a56abd3f0c7520ae6ad995d9994b7
82 Risk Score

Malware Insights

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

The PDF file contains a lure for a "Toolbox For Minecraft Pe" and directs the user to an external URL for download. The presence of the SE_CLICKFIX heuristic indicates that the document likely instructs the user to execute a command or open a link, bypassing typical macro restrictions. The ML classifier also flagged the PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 4

  • ClickFix social engineering attack high SE_CLICKFIX
    Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
  • 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/toolbox-for-minecraft-pe-ios-game-hack
    • https://learning.mtsn8majalengka.sch.id/__statics/gudangsoal/files/free-minecraft-coins_GM479516143.pdf
    • https://learning.mtsn8majalengka.sch.id/__statics/gudangsoal/files/coin-master-hack-apk_GM406889139.pdf
    • https://learning.mtsn8majalengka.sch.id/__statics/gudangsoal/files/coin-master-hack-2021-iphone_GM406889139.pdf
    • https://learning.mtsn8majalengka.sch.id/__statics/gudangsoal/files/coin-master-free-spins-hacktman_GM406889139.pdf
    • https://learning.mtsn8majalengka.sch.id/__statics/gudangsoal/files/free-minecraft-accounts-2021_GM479516143.pdf
    • https://learning.mtsn8majalengka.sch.id/__statics/gudangsoal/files/coin-master-daily-free-spins-2021_GM406889139.pdf
    • https://learning.mtsn8majalengka.sch.id/__statics/gudangsoal/files/100-free-spins-coin-master_GM406889139.pdf
    • https://learning.mtsn8majalengka.sch.id/__statics/gudangsoal/files/coin-master-free-in-app-purchases_GM406889139.pdf
    • https://learning.mtsn8majalengka.sch.id/__statics/gudangsoal/files/coin-master-free-daily-spins-link-2021_GM406889139.pdf
    • https://learning.mtsn8majalengka.sch.id/__statics/gudangsoal/files/coin-master-hack-blog_GM406889139.pdf
    • https://learning.mtsn8majalengka.sch.id/__statics/gudangsoal/files/coin-master-free-spins-link-no-verification-2021_GM406889139.pdf
    • https://learning.mtsn8majalengka.sch.id/__statics/gudangsoal/files/free-coin-master-spin-app_GM406889139.pdf
    • https://learning.mtsn8majalengka.sch.id/__statics/gudangsoal/files/daily-coin-master-free-spin-link-facebook_GM406889139.pdf
    • https://learning.mtsn8majalengka.sch.id/__statics/gudangsoal/files/freespinandcoin-blogspot-coin-master_GM406889139.pdf
    • https://learning.mtsn8majalengka.sch.id/__statics/gudangsoal/files/krnl-roblox_GM431946152.pdf
    • https://learning.mtsn8majalengka.sch.id/__statics/gudangsoal/files/roblox-adopt-me-hacks-2021_GM431946152.pdf
    • https://learning.mtsn8majalengka.sch.id/__statics/gudangsoal/files/legit-free-spins-coin-master_GM406889139.pdf
    • https://learning.mtsn8majalengka.sch.id/__statics/gudangsoal/files/claimrbx-free-robux_GM431946152.pdf
    • https://learning.mtsn8majalengka.sch.id/__statics/gudangsoal/files/free-robux-glitch-2021_GM431946152.pdf
    • https://learning.mtsn8majalengka.sch.id/__statics/gudangsoal/files/free-robux-only-username_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000049a9.bin
c5743b37d6cef2ec622dceadafa21ee11714d61707722743f78c8eead493fff1		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x49A9 25576 bytes
font_01_sfnt_off0000837f.bin
dc3ccbb79e5b5e3c2e3f1df788125855a4eb2a90c1a23b445c8862bc1b3de69c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x837F 18308 bytes

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