Malicious PDF — malware analysis report

Static analysis result for SHA-256 267e8f401e6263eb…

MALICIOUS

PDF

34.5 KB Created: 2021-07-02 07:16:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 0af84b48148d84075c600ed5807f1249 SHA-1: 7c93d335397a07d770f35396ffa573cf4de22d75 SHA-256: 267e8f401e6263eb8a9bc59e11b1b5e61bc6e2e9ddbc53e59b27b6cfeba4fe1e
62 Risk Score

Malware Insights

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

The PDF document contains multiple embedded URLs and a visual download button, all pointing to sites offering game hacks and cheats. The ML classifier strongly indicates malicious intent, likely to trick users into downloading a second-stage payload. The primary lure is the promise of in-game advantages for popular games.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
    PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
  • 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/is-nexusus-roblox-hack-game-hack
    • http://183.91.70.11/repository/roblox-free-folower-nov-2021_GM431946152.pdf
    • http://183.91.70.11/repository/hack-roblox-dragon-ball-rage-android_GM431946152.pdf
    • http://183.91.70.11/repository/roblox-name-for-free-gun_GM431946152.pdf
    • http://183.91.70.11/repository/free-roblox-birthday-printable_GM431946152.pdf
    • http://183.91.70.11/repository/google-coin-master-free-spins_GM406889139.pdf
    • http://183.91.70.11/repository/coin-master-codes_GM406889139.pdf
    • http://183.91.70.11/repository/why-do-my-roblox-hacks-crash_GM431946152.pdf
    • http://183.91.70.11/repository/coin-master-hack-mod-apk_GM406889139.pdf
    • http://183.91.70.11/repository/d-day-roblox-hack_GM431946152.pdf
    • http://183.91.70.11/repository/1k-robux-hack_GM431946152.pdf
    • http://183.91.70.11/repository/coin-master-100-spin-slot_GM406889139.pdf
    • http://183.91.70.11/repository/cheat-engine-get-free-op-on-roblox_GM431946152.pdf
    • http://183.91.70.11/repository/robux-free-gift-card_GM431946152.pdf
    • http://183.91.70.11/repository/how-to-get-free-robux-without-inspect_GM431946152.pdf
    • http://183.91.70.11/repository/how-to-get-money-in-adopt-me-roblox-for-free_GM431946152.pdf
    • http://183.91.70.11/repository/hack-roblox-2021_GM431946152.pdf
    • http://183.91.70.11/repository/free-pe_GM479516143.pdf
    • http://183.91.70.11/repository/how-to-get-free-robux-no-survey-no-download-2021_GM431946152.pdf
    • http://183.91.70.11/repository/roblox-free-robux-hack_GM431946152.pdf
    • http://183.91.70.11/repository/robux-earning-sites_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003151.bin
5b45731670028410b01c8e705afb93c31698c166c03ba95aa297018fdb56b8b3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3151 22292 bytes
font_01_sfnt_off00006293.bin
9057d3395503c56ce8a9b426d938f2b691637fea1489f7644e5345c96a12b875		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6293 18796 bytes

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