PDF static analysis report

Static analysis result for SHA-256 78141e4f11b648e6…

SUSPICIOUS

PDF

36.7 KB Created: 2021-05-17 15:06:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01
MD5: f58313002275b0b0a161cf05109212d9 SHA-1: 422a1a7511e106bd47b87199fbbfd170e8e88acc SHA-256: 78141e4f11b648e606ebd1524fec608f85b0160c92808c9e54bf93571f649dd0
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 0.0312

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/431946152/free-robux-codes-2021-real-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_off00003307.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3307 24992 bytes
SHA-256: dbabf6dff5e83a227e6bb77969fe3c845a7559992c98332132d1be371fc99fa2
font_01_sfnt_off00006bf8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6BF8 18892 bytes
SHA-256: 79fc292783aafa0d2798f175881928b0c75cb864ff282a378c41953696f75480

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