Malicious PDF — malware analysis report

Static analysis result for SHA-256 e289e1c433e05cfe…

MALICIOUS

PDF

42.4 KB Created: 2021-05-17 21:31:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 42d19dddccee2704f76d2772bdb6a14a SHA-1: a1d0d7a3423df0e757c3b8e62315bfad1f348d88 SHA-256: e289e1c433e05cfec5b1670d22854a85f9da666dd10fa6951df93549699369fa
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains numerous embedded URLs, many of which are related to game hacks and cheats, suggesting a lure to download malicious content. The ML classifier also flagged this PDF as malicious with high confidence. The presence of a download button lure and a QR code lure further supports the malicious intent of directing users to external resources.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 4

  • QR-code redirect lure medium SE_QR_LURE
    Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
  • 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/minecraft-book-collection-game-hack
    • http://addair.co.uk/images/best-free-roblox-outfits_GM431946152.pdf
    • http://addair.co.uk/images/get-free-robux-2021_GM431946152.pdf
    • http://addair.co.uk/images/coinmaster-spin-ml-free_GM406889139.pdf
    • http://addair.co.uk/images/master-coin-free-spin-daily_GM406889139.pdf
    • http://addair.co.uk/images/2021-free-spins-coin-master_GM406889139.pdf
    • http://addair.co.uk/images/roblox-hacking-website_GM431946152.pdf
    • http://addair.co.uk/images/how-to-get-free-robux-without-verification-2021_GM431946152.pdf
    • http://addair.co.uk/images/how-can-i-get-free-spins-on-coin-master_GM406889139.pdf
    • http://addair.co.uk/images/how-to-get-free-robux-codes-2021_GM431946152.pdf
    • http://addair.co.uk/images/hack-crack-for-coin-master-currency_GM406889139.pdf
    • http://addair.co.uk/images/what-is-exploiting-in-roblox_GM431946152.pdf
    • http://addair.co.uk/images/how-to-hack-in-arsenal_GM431946152.pdf
    • http://addair.co.uk/images/moon-active_GM406889139.pdf
    • http://addair.co.uk/images/coin-master-free-spin-and-coins-links-2021_GM406889139.pdf
    • http://addair.co.uk/images/master-coin-hack-game_GM406889139.pdf
    • http://addair.co.uk/images/100-free-spins-for-coin-master_GM406889139.pdf
    • http://addair.co.uk/images/cm-spins_GM406889139.pdf
    • http://addair.co.uk/images/free-robux-codes-no-human-verification_GM431946152.pdf
    • http://addair.co.uk/images/free-robux-hack-no-human-verification_GM431946152.pdf
    • http://addair.co.uk/images/coin-master-gift-link_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004b50.bin
c4e1b8e043e45be2c6f5dec990e673f8c6c41afd9dc7fc7383bb075f307a3911		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4B50 25076 bytes
font_01_sfnt_off000083fd.bin
399702d0ee70d7721e3b7d87823dce0b35203047caa5258f7323b07e9fdc19b4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x83FD 18168 bytes

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