PDF static analysis report

Static analysis result for SHA-256 e81f0c38202cfd4c…

SUSPICIOUS

PDF

39.8 KB Created: 2021-05-19 16:02:20 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 863c8eacb15f4c6f9dc38242e3dd3df3 SHA-1: 36480fe67d62dccc6affc4f39dea0a0d2a1dbf2c SHA-256: e81f0c38202cfd4c58f48cf99860bb8e54e27d3c1346ac87b265132b83c3a0da
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 0.0128

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/431946152/how-to-get-free-robux-easy-hack-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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000031b8.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x31B8 26608 bytes
SHA-256: e34bc3015e619dfd56cdfa26bedbb8a0d48075dcccaef64843d5c8f49a7f0289
font_01_sfnt_off00006d97.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D97 3084 bytes
SHA-256: 4889dc98a6bfd3c9244583f92387be58625a91e7a969778ad35ada89b27ed636
font_02_sfnt_off0000783c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x783C 18860 bytes
SHA-256: ae4481784f2b59baf7f887bcc8933de4398304efe668e0a39e1c63b4066a7356

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