PDF static analysis report

Static analysis result for SHA-256 b898f434bcee4044…

SUSPICIOUS

PDF

42.8 KB Created: 2021-05-12 15:32:51 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01
MD5: 019074f30af68773010d0264b0f88453 SHA-1: ccdedaabc17ee4061573741c6006a80033a871c6 SHA-256: b898f434bcee40448ca6969c2a52d5cf7b2289e88b181b6ce7801c2e03586170
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 0.0125

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/how-to-hack-and-get-free-robux-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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000036a4.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x36A4 26096 bytes
SHA-256: eb25ad8b84c414c6931a57367bff7cc95e80fbfd4413d6b12a24db4984c3ad78
font_01_sfnt_off000072a6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x72A6 7172 bytes
SHA-256: fab408227234ab28a8030d2bb2974f9bb2c5fe2de10cbd25026b3a7df09a3f2e
font_02_sfnt_off000083fe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x83FE 18856 bytes
SHA-256: d1af75e50eba08e00cb44d21026f4cdbf29920fa5250f1112d9d0eb56b6eb802

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