Malicious PDF — malware analysis report

Static analysis result for SHA-256 65017b1a6ce0b171…

MALICIOUS

PDF

37.1 KB Created: 2021-05-23 09:08:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 3dc82b7c022268e7263eb32833f31553 SHA-1: 2e4817b229b6c00fccbed802ca0718c112f50fda SHA-256: 65017b1a6ce0b171ea6b2ce0c8d97f7a3836d0f6ec9969d60e266d01a326fda0
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and a prominent link in the document body, all directing to websites that appear to offer game-related cheats or currency. The heuristic firings indicate the presence of external URIs and a general ML classification of maliciousness. The document body text, though partially garbled, contains phrases like 'How To Get Free Robux Without Human Verification' and 'CLICK HERE TO ACCESS ROBLOX GENERATOR', strongly suggesting a phishing or scam lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9447

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 https://netcdn.xyz/app/431946152/how-to-get-free-robux-without-human-verification-game-hack
    • http://artion.biz/images/500-free-spins-coin-master_GM406889139.pdf
    • http://artion.biz/images/minecraft-windows-10-hacked-client_GM479516143.pdf
    • http://artion.biz/images/tiktok-bots-free_GM835599320.pdf
    • http://artion.biz/images/minecraft-app-store-free_GM479516143.pdf
    • http://artion.biz/images/cm-free-spins-and-coins_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003465.bin
f752e03b7c1b49be200c6e847d4783c2f67cd637244fdf5b1700d45ee4df8928		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3465 24532 bytes
font_01_sfnt_off00006c55.bin
c7994a70f951e7a274445218605a0e5dad46067da7d3a89c75279f94e76bcfde		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C55 19388 bytes

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