Malicious PDF — malware analysis report

Static analysis result for SHA-256 08029fe450739093…

MALICIOUS

PDF

34.1 KB Created: 2021-06-30 05:16:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 5819dcb7519b8fde0364433ffbb1ad61 SHA-1: 193174ba163864aea454a8449e806a2d87b7bd06 SHA-256: 08029fe4507390934d24cd0e39fdcd35409729c97a40a24baa14e4907888aadb
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The document contains numerous embedded URLs and a call-to-action phrase, strongly suggesting a phishing or scam attempt. The ML classifier also flagged this PDF as malicious with high confidence. The primary lure appears to be related to obtaining free items or currency for games like Roblox, which is a common tactic for distributing malware or credential harvesting.

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/all-roblox-promo-codes-free-items-game-hack
    • http://digilib.akbidarrahma.ac.id/repository/free-robux-games-on-the-front-page_GM431946152.pdf
    • http://digilib.akbidarrahma.ac.id/repository/free-robux_GM431946152.pdf
    • http://digilib.akbidarrahma.ac.id/repository/how-to-get-robux-for-free-2021_GM431946152.pdf
    • http://digilib.akbidarrahma.ac.id/repository/free-robux-generator-no-human-verification_GM431946152.pdf
    • http://digilib.akbidarrahma.ac.id/repository/free-coin-spin-daily-link-net_GM406889139.pdf
    • http://digilib.akbidarrahma.ac.id/repository/roblox-virtual-piano-cheat_GM431946152.pdf
    • http://digilib.akbidarrahma.ac.id/repository/free-uzi-roblox-id_GM431946152.pdf
    • http://digilib.akbidarrahma.ac.id/repository/roblox-saber-sim-hacks_GM431946152.pdf
    • http://digilib.akbidarrahma.ac.id/repository/godzilla-roblox-free-items_GM431946152.pdf
    • http://digilib.akbidarrahma.ac.id/repository/free-roblox-accounts-august-2021_GM431946152.pdf
    • http://digilib.akbidarrahma.ac.id/repository/coin-master-free-spins-hack-iphone_GM406889139.pdf
    • http://digilib.akbidarrahma.ac.id/repository/free-minecraft-skins-girl_GM479516143.pdf
    • http://digilib.akbidarrahma.ac.id/repository/hacks-roblox-car-radio-codes_GM431946152.pdf
    • http://digilib.akbidarrahma.ac.id/repository/coin-master-app-hacks_GM406889139.pdf
    • http://digilib.akbidarrahma.ac.id/repository/roblox-prison-life-hack_GM431946152.pdf
    • http://digilib.akbidarrahma.ac.id/repository/roblox-free-robux-mkd-apk_GM431946152.pdf
    • http://digilib.akbidarrahma.ac.id/repository/roblox-god-mode-hack-2021_GM431946152.pdf
    • http://digilib.akbidarrahma.ac.id/repository/roblox-hack-site-no-verification_GM431946152.pdf
    • http://digilib.akbidarrahma.ac.id/repository/free-robux-generator-no-survey-no-download-no-human-verification_GM431946152.pdf
    • http://digilib.akbidarrahma.ac.id/repository/how-do-i-get-free-robux_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002e41.bin
66d0637e1c774bba8993b5f2bf6ff57a33ffb33af2deee0a44622e4598a4db1f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2E41 22172 bytes
font_01_sfnt_off00005f90.bin
4c2d9a7edc33d8832d85a398819de750fdbbd0e8288a932f62dfe98496f6ea36		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5F90 19344 bytes

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