PDF static analysis report

Static analysis result for SHA-256 884fdf2ec5bf8827…

SUSPICIOUS

PDF

36.3 KB Created: 2021-05-11 13:09:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 38e21ff91ca3226385de90565d287195 SHA-1: 5fdd434e890b75e1f9b12625a5bd1da07f6e3d4d SHA-256: 884fdf2ec5bf8827434f06e1c10e0d9dbe13d1eadcefbcfefbeed891cd7547ac
52 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a fake CAPTCHA and a call-to-action phrase, indicating a social engineering attempt to trick the user. It embeds a URL that leads to a suspicious domain, likely serving as a lure for a phishing or malware distribution scheme. The document body text also contains the same suspicious URL, reinforcing its malicious intent.

Machine Learning

  • Nyx PDF Classifier clean score 0.0292

Heuristics 4

  • Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
    Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
  • 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/406889139/get-free-spins-coin-master-game-hack PDF link annotation
    • 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_003_off000033cf.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x33CF 25504 bytes
SHA-256: 8cfd9ea1a5dd1d3db890f276f2f2ec3b3c66ae1d242541ba82e72f504c956033
font_01_sfnt_off00006df6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DF6 17884 bytes
SHA-256: b0210710b9f532dde69bab3e54691bd54d84b0d7d990975f20826afd1ba27450

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