Malicious PDF — malware analysis report

Static analysis result for SHA-256 9797febe32c10319…

MALICIOUS

PDF

35.1 KB Created: 2021-07-02 03:59:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: dbd6e0d2168f67ab727fb2f9c40e9936 SHA-1: 6cf9ffe39e8341c03496db2be6828abd85ad92de SHA-256: 9797febe32c103190dc46ce76630f576395bea2c7027cfed63dbab6489d1460a
62 Risk Score

Malware Insights

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

The document contains multiple embedded URLs and a prominent external URI pointing to game hacks and cheats, suggesting a lure to download malicious content. The ML classifier strongly flagged this PDF as malicious, and the presence of a download button heuristic further supports a malicious intent. The document's content and heuristics indicate a phishing or scam attempt to trick users into visiting malicious links.

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/dragon-ball-z-rage-roblox-hack-game-hack
    • http://www.kdlscaffolding.ie/uploaded_files/userfiles/files/coin-master-hack-generator-tool_GM406889139.pdf
    • http://www.kdlscaffolding.ie/uploaded_files/userfiles/files/fre-robux-for-real_GM431946152.pdf
    • http://www.kdlscaffolding.ie/uploaded_files/userfiles/files/hack-to-beome-supertall-in-roblox_GM431946152.pdf
    • http://www.kdlscaffolding.ie/uploaded_files/userfiles/files/app-master_GM406889139.pdf
    • http://www.kdlscaffolding.ie/uploaded_files/userfiles/files/www-bandicam-com-free-robux_GM431946152.pdf
    • http://www.kdlscaffolding.ie/uploaded_files/userfiles/files/bowtie-free-roblox_GM431946152.pdf
    • http://www.kdlscaffolding.ie/uploaded_files/userfiles/files/free-robux-hacker-us_GM431946152.pdf
    • http://www.kdlscaffolding.ie/uploaded_files/userfiles/files/robux-robux-robux-free_GM431946152.pdf
    • http://www.kdlscaffolding.ie/uploaded_files/userfiles/files/comment-hacker-robux_GM431946152.pdf
    • http://www.kdlscaffolding.ie/uploaded_files/userfiles/files/roblox-free-copy-place-service_GM431946152.pdf
    • http://www.kdlscaffolding.ie/uploaded_files/userfiles/files/how-to-get-a-free-name-change-on-roblox_GM431946152.pdf
    • http://www.kdlscaffolding.ie/uploaded_files/userfiles/files/hack-to-protect-village-on-coin-master_GM406889139.pdf
    • http://www.kdlscaffolding.ie/uploaded_files/userfiles/files/free-hair-roblox-2021_GM431946152.pdf
    • http://www.kdlscaffolding.ie/uploaded_files/userfiles/files/roblox-emperor-hack_GM431946152.pdf
    • http://www.kdlscaffolding.ie/uploaded_files/userfiles/files/free-minecraft-svg-cutting-files_GM479516143.pdf
    • http://www.kdlscaffolding.ie/uploaded_files/userfiles/files/free-roblox-groups_GM431946152.pdf
    • http://www.kdlscaffolding.ie/uploaded_files/userfiles/files/how-to-hack-roblox-accounts-on-phone_GM431946152.pdf
    • http://www.kdlscaffolding.ie/uploaded_files/userfiles/files/all-roblox-free-tails_GM431946152.pdf
    • http://www.kdlscaffolding.ie/uploaded_files/userfiles/files/cheats-para-ben-10-universal-showdown-roblox_GM431946152.pdf
    • http://www.kdlscaffolding.ie/uploaded_files/userfiles/files/how-to-hack-roblox-2021_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000033a9.bin
a7615c9720312fc9ef93c60b5b65fd016617639a7a4d005cb7c6dd6b8416e9e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x33A9 21892 bytes
font_01_sfnt_off00006442.bin
364934bf7e955b7e4adc1010ec93ae56d963981064cd2596bdea8aa73f336f43		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6442 18920 bytes

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