PDF static analysis report

Static analysis result for SHA-256 79f75fa8b0316d12…

SUSPICIOUS

PDF

36.9 KB Created: 2021-05-11 19:31:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 86326d50be47c78ea390ca39af3cd469 SHA-1: 8391fa2be410833dd60cde78e12e9169adf18665 SHA-256: 79f75fa8b0316d120f2dcdb0dd3f0e3bfcaa3f58d59c283bdb309e8073a44888
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 0.0313

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/coin-master-hack-apk-free-download-game-hack PDF link annotation
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00003163.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3163 29700 bytes
SHA-256: 32935ea3f0125c065db5fc88480032b6751180d13a74e2394e343b1f36d6105d
font_01_sfnt_off00006db8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DB8 18636 bytes
SHA-256: 9aef5eba1b944da03ad0d0211b0df86da0d90e0cf099764a6ba9c9a2ed29eb67