PDF static analysis report

Static analysis result for SHA-256 a8e4cf811469a0d0…

SUSPICIOUS

PDF

38.5 KB Created: 2021-05-19 05:49:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 5c73ba513e9799e27bc6deaa2cde8a1b SHA-1: 70c94cd8821576ded012875cb29a1580e47a8d3d SHA-256: a8e4cf811469a0d01b74847344092172389f2f30ce0d6c0c7c39784da594df27
52 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a prominent link and text explicitly advertising a 'Robux generator' and 'game hack', directing users to a suspicious URL. This lure is a common tactic for distributing malware or unwanted applications. Although no scripts were extracted, the PDF structure and embedded URI strongly suggest a malicious intent to redirect users to a download site.

Machine Learning

  • Nyx PDF Classifier clean score 0.0334

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/download-apps-for-robux-game-hack PDF link annotation
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 6

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_off0000320c.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x320C 29624 bytes
SHA-256: 47d4847e9f6cd40a9b7a64dacd04d11c21879db69c1a381133ead08e401fd04e
font_01_sfnt_off00007322.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7322 18996 bytes
SHA-256: ea235c61f7ee6ff97cb8e2e4b8381115f9ce59fc272e8f2939e83a9622de1179

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