PDF static analysis report

Static analysis result for SHA-256 6bb3976b3927f085…

SUSPICIOUS

PDF

36.2 KB Created: 2021-05-10 12:00:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 3bd456f076e55ec554879b1c063bc562 SHA-1: a9859262ca319e0fdd71dd65acbd8017a492b426 SHA-256: 6bb3976b3927f085220f91fbb68b8f847167ee4af302a6a4681eaf0db900e704
52 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a heuristic indicating it links to a 'free generator / game hack' redirector, which points to a suspicious URL. The document body also contains text related to 'Hack Coin Master Apk 2021' and the same suspicious URL, reinforcing the lure. While no scripts were extracted, the primary function appears to be directing users to a potentially malicious site under the guise of a game hack.

Machine Learning

  • Nyx PDF Classifier clean score 0.0283

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/hack-coin-master-apk-2021-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_off00003415.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3415 24364 bytes
SHA-256: ccffaff48688d4852b9cdb88c7b9ea70caff342e6ba3d3c482dafb2e539d83eb
font_01_sfnt_off00006beb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6BEB 18296 bytes
SHA-256: b61961072e26d7bd0036d68b99eed8fd62c21626b4f1bee3075b0e2ab41f2bf5

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