PDF static analysis report

Static analysis result for SHA-256 3138d0efcbd393e9…

SUSPICIOUS

PDF

33.5 KB Created: 2021-05-30 01:43:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01
MD5: 68dcaa53f79843824b7ef18de5a692fc SHA-1: 0e919ce4e8614ddc4bd1da8824783e949a7b4f5f SHA-256: 3138d0efcbd393e9745d057b6d4d2bf735a3ba6d3cabc275edbc9de8fc4c1288
52 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as suspicious. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier clean score 0.0718

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
  • 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/835599320/free-tiktok-likes-trial-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_002_off00002a24.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A24 25804 bytes
SHA-256: 2d3930d6350287f654a74721b06b34efbcbe467821435f7e415348145ba1ed6d
font_01_sfnt_off0000637b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x637B 17756 bytes
SHA-256: 9d76c6faa2ac5c2cb25d5c28859cdf9fe3589154660ff5d1bcb1376c3aae0ade

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