Malicious PDF — malware analysis report

Static analysis result for SHA-256 92d68a3f7496647b…

MALICIOUS

PDF

36.1 KB Created: 2021-05-16 10:15:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: c808d342660ba5813b808a14cc4ff4ab SHA-1: 451fc4fab4e88f0bdcc5ce55a132849e02dff802 SHA-256: 92d68a3f7496647b4eaf1b0d3a56b42232fe52f91731a7ad9fd322edf3672481
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a critical heuristic firing for a game hack redirect lure, pointing to a specific URL. The document body also contains text and a call-to-action phrase related to accessing a 'Coin Master Generator', further supporting the lure. The embedded URL is identified as a malicious redirector, indicating an attempt to lead the user to a harmful site.

Machine Learning

  • Nyx PDF Classifier clean score 0.0283

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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-and-coins-for-iphone-game-hack In PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 4

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_off000031c2.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x31C2 25404 bytes
SHA-256: 040c9b972b833e84795f396748299c83f970af3b708e225ee2e5f36e04d4b7d0
font_01_sfnt_off00006bf8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6BF8 18224 bytes
SHA-256: b4646ab3e358ecd7896173e374a4f37f60f7674218af6eb698aacc488fc1d121

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