PDF static analysis report

Static analysis result for SHA-256 30637e6ab89e84c5…

SUSPICIOUS

PDF

29.6 KB Created: 2021-07-19 07:39:13 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: cb50da1d9671e426a4c62ab0723258a0 SHA-1: 11f85de10c3ad671d858dc78511a2e178fd6e142 SHA-256: 30637e6ab89e84c5df6ff593e5ee5bd497c0d260010b529166c38451ef704ec5
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 0.0794

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 http://netcdn.tw/app/479516143/minecraft-windows-10-hacks-game-hack PDF link annotation
    • https://cnc-xinrong.com.tw/image/data/files/roblox-mobile-hack_GM431946152.pdfIn PDF document text
    • 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
font_00_sfnt_off0000200b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x200B 22012 bytes
SHA-256: b294aae798dc293f87c0f60328c2c0a242912dc14970a4895ccb18b4a20ee206
font_01_sfnt_off000050be.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x50BE 18696 bytes
SHA-256: 14f86b407040f424958936cb2b2b49b26067a8980bd50a77917f0563cc1bff87

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