Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e1107848e917d50…

MALICIOUS

PDF

36.5 KB Created: 2021-05-10 18:30:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 43cde60256ecfa35b1d1f9be88f8329f SHA-1: d01e527e3e74926d36504fe18434db4c290119dd SHA-256: 0e1107848e917d508b7045209c278e1faaf107db8f378573513094737c79c966
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links that redirect to known malicious infrastructure, specifically a "free generator" lure for the game Coin Master. The document body text and heuristics indicate a clear intent to trick the user into visiting a malicious URL. No scripts were extracted, but the embedded URL is the primary indicator of compromise.

Machine Learning

  • Nyx PDF Classifier clean score 0.0312

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-daily-free-spins-2021-game-hack In PDF document text
    • 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_off000033dc.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x33DC 24760 bytes
SHA-256: 5fd4890e183bb56a70a2160466d22882aeb4e87b292e0950580d8ea1713bcee9
font_01_sfnt_off00006c13.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C13 18708 bytes
SHA-256: 0e09573a858265cfc65c534eb28458a66078312e2bd7bae94317e03ea41fcd19

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