Malicious PDF — malware analysis report

Static analysis result for SHA-256 c12089017bdc4f9b…

MALICIOUS

PDF

35.1 KB Created: 2021-07-05 08:54:13 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 0faf34187b90374478f2cd2899307a77 SHA-1: 68ca56034ecdb12724fccc973147b8083023a6d9 SHA-256: c12089017bdc4f9be173f28467c76a3bcb318bd0ee32bcbc4b4fc4fcbd5923da
82 Risk Score

Malware Insights

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

This PDF document contains multiple embedded URLs that lead to websites offering game hacks and currency. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic suggests the document may be instructing users to open a password-protected archive, a common tactic to bypass security scans. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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.tw/app/431946152/weird-roblox-game-hack
    • http://etd.ilmukomunikasi.fisip.ulm.ac.id/repository/roblox-free-draw_GM431946152.pdf
    • http://etd.ilmukomunikasi.fisip.ulm.ac.id/repository/free-robux-2021-no-verification_GM431946152.pdf
    • http://etd.ilmukomunikasi.fisip.ulm.ac.id//repository/free-robux-no-verification-no-download-2021_GM431946152.pdf
    • http://etd.ilmukomunikasi.fisip.ulm.ac.id//repository/coin-master-hack-without-human-verification-2021_GM406889139.pdf
    • http://etd.ilmukomunikasi.fisip.ulm.ac.id/repository/roblox-booga-booga-hack_GM431946152.pdf
    • http://etd.ilmukomunikasi.fisip.ulm.ac.id/repository/teach-me-to-hack_GM431946152.pdf
    • http://etd.ilmukomunikasi.fisip.ulm.ac.id/repository/how-to-get-robux-for-free-2021_GM431946152.pdf
    • http://etd.ilmukomunikasi.fisip.ulm.ac.id//repository/minecraft-ps4-free_GM479516143.pdf
    • http://etd.ilmukomunikasi.fisip.ulm.ac.id/repository/free-spin-coin-master-2021_GM406889139.pdf
    • http://etd.ilmukomunikasi.fisip.ulm.ac.id/repository/how-to-get-free-coins-on-coin-master-hack_GM406889139.pdf
    • http://etd.ilmukomunikasi.fisip.ulm.ac.id/repository/roblox-group-free-robux_GM431946152.pdf
    • http://etd.ilmukomunikasi.fisip.ulm.ac.id//repository/get-free-spins-coin-master_GM406889139.pdf
    • http://etd.ilmukomunikasi.fisip.ulm.ac.id//repository/how-to-get-free-spins-on-coin-master-2021_GM406889139.pdf
    • http://etd.ilmukomunikasi.fisip.ulm.ac.id//repository/free-roblox-hack-us_GM431946152.pdf
    • http://etd.ilmukomunikasi.fisip.ulm.ac.id//repository/www-roblox-com-free-robux_GM431946152.pdf
    • http://etd.ilmukomunikasi.fisip.ulm.ac.id/repository/como-generar-coin-master-free-spins_GM406889139.pdf
    • http://etd.ilmukomunikasi.fisip.ulm.ac.id/repository/coin-master-online-hack-no-survey-no-password_GM406889139.pdf
    • http://etd.ilmukomunikasi.fisip.ulm.ac.id//repository/pokemon-go-free-coins_GM1094591345.pdf
    • http://etd.ilmukomunikasi.fisip.ulm.ac.id//repository/get-free-spins-in-coin-master_GM406889139.pdf
    • http://etd.ilmukomunikasi.fisip.ulm.ac.id//repository/free-limiteds-roblox_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000031ce.bin
94a8c2ba1f2a8ed7acded2d5158b1ba01237b968a90933946aadf840fd07b5d2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x31CE 22624 bytes
font_01_sfnt_off00006440.bin
f8e79d75c9f8241c011883426a9efa98c58f76f57b320e19fb1afa9fd63025a8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6440 18980 bytes

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