PDF static analysis report

Static analysis result for SHA-256 104ca0bf82343aad…

SUSPICIOUS

PDF

36.0 KB Created: 2021-05-14 21:06:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: a0efd727e11aecb8a607e03a3b987743 SHA-1: f753c27f1f345461a3a48cfdc22ec086d9dad822 SHA-256: 104ca0bf82343aadc3267acf2a516c20236e52005d03c22ca2c69770bd403cd7
52 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for a "Coin Master Free Coins And Spins Link" generator, directing users to a suspicious URL. This URL is likely intended to host a malicious payload or phishing page. No scripts were extracted, but the PDF structure and embedded URI heuristic indicate a social engineering attempt to trick users into visiting a potentially harmful site.

Machine Learning

  • Nyx PDF Classifier clean score 0.0228

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-coins-and-spins-link-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
stream_003_off0000326c.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x326C 25036 bytes
SHA-256: 41b4262afacafefae6dad676836fb088246ac0dfda66e013e1e3b0e07c1f5b24
font_01_sfnt_off00006b8c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B8C 18228 bytes
SHA-256: b9853edf503a53d442d3b577c09c09d59d7c57f52c57bf669c9991918f7be207

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