Malicious PDF — malware analysis report

Static analysis result for SHA-256 530a30fde300395c…

MALICIOUS

PDF

43.8 KB Created: 2021-05-11 00:10:37 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 4ca9060d536e8083f61957b0a39898a0 SHA-1: 0c88bc4592c2e529d98c176d26913b059bbacfd4 SHA-256: 530a30fde300395ce91e90df6f4783cd5f30dfcc798b797009ef579e6d9451a2
82 Risk Score

Malware Insights

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

This PDF document, generated by wkhtmltopdf, contains embedded URLs and a call-to-action phrase, strongly suggesting a lure for downloading malicious content. The ML classifier also flagged it with high confidence. The document's content and embedded links point towards a phishing attempt disguised as a game exploit download.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

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 https://netcdn.xyz/app/431946152/roblox-exploit-download-game-hack
    • http://etd.ilmukomunikasi.fisip.ulm.ac.id//repository/coin-master-hack-game-download_GM406889139.pdf
    • http://etd.ilmukomunikasi.fisip.ulm.ac.id/repository/earn-robux-com_GM431946152.pdf
    • http://etd.ilmukomunikasi.fisip.ulm.ac.id/repository/coin-master-hack-fast-org_GM406889139.pdf
    • http://etd.ilmukomunikasi.fisip.ulm.ac.id//repository/earn-free-robux-today_GM431946152.pdf
    • http://etd.ilmukomunikasi.fisip.ulm.ac.id//repository/minecraft-hacker-mask_GM479516143.pdf
    • http://etd.ilmukomunikasi.fisip.ulm.ac.id/repository/no-human-verification_GM431946152.pdf
    • http://etd.ilmukomunikasi.fisip.ulm.ac.id/repository/free-minecraft-hacks_GM479516143.pdf
    • http://etd.ilmukomunikasi.fisip.ulm.ac.id//repository/coin-master-game-hack-online_GM406889139.pdf
    • http://etd.ilmukomunikasi.fisip.ulm.ac.id/repository/coin-master-apk-hack_GM406889139.pdf
    • http://etd.ilmukomunikasi.fisip.ulm.ac.id//repository/roblox-hack-scripts-pastebin_GM431946152.pdf
    • http://etd.ilmukomunikasi.fisip.ulm.ac.id//repository/minecraft-hacks-18-9_GM479516143.pdf
    • http://etd.ilmukomunikasi.fisip.ulm.ac.id//repository/daily-free-spins_GM406889139.pdf
    • http://etd.ilmukomunikasi.fisip.ulm.ac.id/repository/how-to-get-a-cape-in-minecraft-for-free_GM479516143.pdf
    • http://etd.ilmukomunikasi.fisip.ulm.ac.id/repository/coin-master-free-download-app_GM406889139.pdf
    • http://etd.ilmukomunikasi.fisip.ulm.ac.id/repository/how-to-get-free-stuff-on-roblox_GM431946152.pdf
    • http://etd.ilmukomunikasi.fisip.ulm.ac.id//repository/roblox-place-rewards_GM431946152.pdf
    • http://etd.ilmukomunikasi.fisip.ulm.ac.id//repository/coin-master-hack-mod-apk-download_GM406889139.pdf
    • http://etd.ilmukomunikasi.fisip.ulm.ac.id//repository/real-free-robux-generator_GM431946152.pdf
    • http://etd.ilmukomunikasi.fisip.ulm.ac.id/repository/free-robux-without-verification-2021_GM431946152.pdf
    • http://etd.ilmukomunikasi.fisip.ulm.ac.id/repository/can-i-get-minecraft-for-free_GM479516143.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004c38.bin
4904ffc707c7ce476fcad0d629734004c81f1c6f099fc97f85863cce4958492e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4C38 25424 bytes
font_01_sfnt_off000086b0.bin
7a24af39949c7ff71746b2c2809145b3ef2ee9bc5c7dad2d2497b06e0ed7f4c4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x86B0 18916 bytes

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