PDF static analysis report

Static analysis result for SHA-256 a37150f3e3299763…

SUSPICIOUS

PDF

32.8 KB Created: 2021-07-19 09:23:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: ccd75f7f5bba3d82e3208b70533a7125 SHA-1: 8c1fad71cf4b498766707f36eff80717d15024e2 SHA-256: a37150f3e3299763e3867c10273dccbaf4e261cf10bec6d6dc091395bfaf2892
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs that lead to sites offering game hacks and exploits, suggesting a lure for users to download malicious content. The ML classifier also flagged this PDF as malicious. The presence of these links and the overall theme of 'free spins' and 'hacks' strongly indicate a phishing or social engineering attack aimed at tricking users into downloading malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9508

Heuristics 3

  • 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.tw/app/406889139/free-daily-spins-coin-master-game-hack PDF link annotation
    • https://zustsearch.com/uploaded_files/userfiles/files/roblox-hack-generator_GM431946152.pdfIn PDF document text
    • https://zustsearch.com/uploaded_files/userfiles/files/how-to-get-free-robux-on-phone_GM431946152.pdfIn PDF document text
    • https://zustsearch.com/uploaded_files/userfiles/files/how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://zustsearch.com/uploaded_files/userfiles/files/coin-master-free-spins-link-blogspot-2021_GM406889139.pdfIn PDF document text
    • https://zustsearch.com/uploaded_files/userfiles/files/coin-master-hack-without-verification_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

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_002_off0000295a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x295A 23356 bytes
SHA-256: 5308041448e970f93083b15f6ead940f813308ecd0ed8091bea431d530487b8a
font_01_sfnt_off00005e79.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E79 18308 bytes
SHA-256: 55eaac4e6bbee5e06de7435d22c867d27a3c8151a397b13177f5239675c95764

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