PDF static analysis report

Static analysis result for SHA-256 16de65e050f505cf…

SUSPICIOUS

PDF

28.9 KB Created: 2021-07-19 00:30:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: c1a8542e4ba799bc4cc1d5f86e67fce3 SHA-1: 5667537f9640d1d612cb965be54194d4c9dd0057 SHA-256: 16de65e050f505cfbe0631606ff571494cd34e624c0eda669c6aa88185f306d2
52 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a heuristic firing for a game hack redirect lure, pointing to a suspicious URL. The document body also contains this URL and a call-to-action phrase, reinforcing the lure. While no scripts were extracted, the PDF structure and the presence of a malicious URL indicate an attempt to trick the user into visiting a potentially harmful site.

Machine Learning

  • Nyx PDF Classifier clean score 0.0570

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/free-mods-for-minecraft-pe-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
font_00_sfnt_off00001e66.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1E66 22568 bytes
SHA-256: 705f82ca14afe61b853a5e81a3eeecc52f2d0e45cc083b55e714c4c6bd55586d
font_01_sfnt_off0000505f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x505F 18040 bytes
SHA-256: 55677d50e7f19372d6dfb723d72c398dee248f925afb4425ab44c3bb4ecd28f4

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