PDF static analysis report

Static analysis result for SHA-256 4db8c593db47c851…

SUSPICIOUS

PDF

39.4 KB Created: 2021-05-14 10:30:20 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 76e7904932e62e35845b040dedfd944b SHA-1: 043661babf06b7e6ee9c31129c1c82b1b1d2f69b SHA-256: 4db8c593db47c851362239416a5e632ae1808698f62a2c490512fa0fda18b3ab
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 0.0128

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-free-spins-hack-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_off00003379.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3379 25388 bytes
SHA-256: f394e2a37fbec691ca9cbc55a4801e1c59fd146a32ecd7d73cff3f806ce79f78
font_01_sfnt_off00006d7c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D7C 3500 bytes
SHA-256: ce2ea41c9dba7994031e0885d2822ae8c289e52c46d0b59f9816674228cb600c
font_02_sfnt_off0000791d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x791D 18056 bytes
SHA-256: 5bc30252b20e252a4e4f12754ee6fd7a8bdc905346c0352a18cf9aa56584dd16

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