PDF static analysis report

Static analysis result for SHA-256 bdd76ef4da32184a…

SUSPICIOUS

PDF

40.4 KB Created: 2021-04-25 00:08:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 949817b6c5469315b5ceb9dd7a1d887a SHA-1: 568e4775ebdc9f349f4ad7e96e8b0b5485fcbb65 SHA-256: bdd76ef4da32184a5a2b89fc017ef250610d36f413e8775b0afec26cf022a236
50 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for 'free Robux' and includes multiple embedded URLs pointing to potentially malicious content. The ML classifier also flagged this PDF as malicious. While no scripts were directly extracted, the presence of external URIs and the nature of the lure suggest an attempt to redirect users to a malicious site, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9941

Heuristics 4

  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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-o-get-free-robux-2021-game-hack PDF link annotation
    • http://efeikaiwa.net/images/roblox-hacker-mod.pdfIn PDF document text
    • http://efeikaiwa.net/images/claim-free-robux-today.pdfIn PDF document text
    • http://efeikaiwa.net/images/free-robux-promo-cides.pdfIn PDF document text
    • http://efeikaiwa.net/images/roblox-free-jeff-the-killer-cape.pdfIn PDF document text
    • http://efeikaiwa.net/images/hack-para-scp-site-61-roblox.pdfIn PDF document text
    • http://efeikaiwa.net/images/da-hood-speed-hacks-roblox-exploit.pdfIn PDF document text
    • http://efeikaiwa.net/images/roblox-hacount-hack.pdfIn PDF document text
    • http://efeikaiwa.net/images/is-there-a-legit-way-to-get-free-robux.pdfIn PDF document text
    • http://efeikaiwa.net/images/get-free-clothes-on-roblox-2021.pdfIn PDF document text
    • http://efeikaiwa.net/images/accessory-hat-ashs-hat-on-roblox-free.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 6

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004024.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4024 26204 bytes
SHA-256: c9f9bfde973ae01bf0997b65b6e113bcd9d9184bed3092689dfeff5c281e3092
font_01_sfnt_off00007acb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7ACB 18684 bytes
SHA-256: 603693d21dc36490734e7fd51507122a8ac3cc9fc185fe4deaa9417970276b42

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