Malicious PDF — malware analysis report

Static analysis result for SHA-256 ecca0ac743b30865…

MALICIOUS

PDF

33.8 KB Created: 2021-06-18 18:30:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: cd2488e764813d730e53f283ac75b45a SHA-1: 50638bd3837d285e48241e86f6ba7eeec02cf0eb SHA-256: ecca0ac743b308657a987643663ef7ec185fae2a4430d7c17c110d09ff394a3e
62 Risk Score

Malware Insights

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

The PDF document contains numerous embedded URLs, including one pointing to an APK file, suggesting a lure for users to download potentially malicious applications. The ML classifier strongly flagged this PDF as malicious, and the presence of download-related text reinforces the phishing or scam attempt. The document's content and embedded links indicate an attempt to trick users into downloading unauthorized software, likely for malicious purposes.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • 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/apk-roblox-hack-games-game-hack
    • http://digilib.akbidarrahma.ac.id/repository/free-coin-master-hacks_GM406889139.pdf
    • http://digilib.akbidarrahma.ac.id/repository/how-to-get-free-robux-no-website-2021_GM431946152.pdf
    • http://digilib.akbidarrahma.ac.id/repository/how-do-i-get-free-robux_GM431946152.pdf
    • http://digilib.akbidarrahma.ac.id/repository/bad-minecraft-free_GM479516143.pdf
    • http://digilib.akbidarrahma.ac.id/repository/how-to-hack-roblox-accounts-on-phone_GM431946152.pdf
    • http://digilib.akbidarrahma.ac.id/repository/how-to-get-free-pant-and-free-shirt-roblox_GM431946152.pdf
    • http://digilib.akbidarrahma.ac.id/repository/how-to-get-free-robux-on-pc_GM431946152.pdf
    • http://digilib.akbidarrahma.ac.id/repository/minecraft-java-free-download_GM479516143.pdf
    • http://digilib.akbidarrahma.ac.id/repository/free-robux-link_GM431946152.pdf
    • http://digilib.akbidarrahma.ac.id/repository/earn-robux-now_GM431946152.pdf
    • http://digilib.akbidarrahma.ac.id/repository/classic-minecraft-net-hacks_GM479516143.pdf
    • http://digilib.akbidarrahma.ac.id/repository/meepcity-robux-hack_GM431946152.pdf
    • http://digilib.akbidarrahma.ac.id/repository/minecraft-svg-free_GM479516143.pdf
    • http://digilib.akbidarrahma.ac.id/repository/robux-cheat-engine-2021_GM431946152.pdf
    • http://digilib.akbidarrahma.ac.id/repository/best-hacks-for-frappe-roblox_GM431946152.pdf
    • http://digilib.akbidarrahma.ac.id/repository/minecraft-hacked-client-download_GM479516143.pdf
    • http://digilib.akbidarrahma.ac.id/repository/free-robux-redeem-codes_GM431946152.pdf
    • http://digilib.akbidarrahma.ac.id/repository/robux-hack-tools_GM431946152.pdf
    • http://digilib.akbidarrahma.ac.id/repository/free-minecraft-skins-java_GM479516143.pdf
    • http://digilib.akbidarrahma.ac.id/repository/free-robux-just-click_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002e86.bin
fd14beaf99333597e545657bc918a394e3c0d7349407eb383dd08cdc662f5ac1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2E86 21824 bytes
font_01_sfnt_off00005ed7.bin
d68df8a16ed49e8a57c2ab41abe44a8c50b30133c1125899c4815621df8efe33		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5ED7 19092 bytes

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