PDF static analysis report

Static analysis result for SHA-256 b1cbaa756d308c17…

SUSPICIOUS

PDF

36.3 KB Created: 2021-05-16 15:16:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 10ccd8606fd5f782817e60af0d52cff4 SHA-1: c004122609b5b67366ff00028f69d685c2e6852e SHA-256: b1cbaa756d308c1749e63e9a94d0d04382a0afd49a2de0d410d0512f8418834d
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 0.0292

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-redeem-code-for-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_off000034d4.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x34D4 24424 bytes
SHA-256: 4e73bf1a5dc60f132650d65285ffa099cfd38044816a6b7b77d7775f202eb688
font_01_sfnt_off00006d1f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D1F 18144 bytes
SHA-256: 8e08ca8cea331ef635d4f0d43e9b7f0e55ee5a5b0bb4b3b8f10d73ecaad2eef0

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