PDF static analysis report

Static analysis result for SHA-256 9d1ac1eff642c21c…

SUSPICIOUS

PDF

36.6 KB Created: 2021-05-11 03:39:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 99de9998d4dc44bafe87ba8b6345bd6f SHA-1: 1784d73a721b411af1a8cea4029cc7ae4511bfbc SHA-256: 9d1ac1eff642c21c01a4089f8b57d761624c264bc212a9cdd2cf92440bba233e
52 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a heuristic indicating it links to a game hack generator, which redirects to the suspicious URL https://netcdn.xyz/app/406889139/free-spins-coin-master-links-2021-game-hack. The document body also contains similar text and a call-to-action phrase, suggesting a social engineering lure to drive users to the malicious site. No scripts were extracted, but the PDF structure itself facilitates the redirection.

Machine Learning

  • Nyx PDF Classifier clean score 0.0312

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/406889139/free-spins-coin-master-links-2021-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_off00003493.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3493 24664 bytes
SHA-256: f778850dddf728ccd948157693cdfb84d3c5957b096d6211b65c504ea763d722
font_01_sfnt_off00006d43.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D43 18456 bytes
SHA-256: c809cb62993c96a2792eb05fd7593de41ec7ce02e3f179f2cd9cbcb899f0cf70

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