Malicious PDF — malware analysis report

Static analysis result for SHA-256 94ed4425b196aa06…

MALICIOUS

PDF

38.6 KB Created: 2021-05-18 01:30:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 6ee6fe9f7a001ee8ff5347a22993cace SHA-1: 1530d61cfb9571de36b698bd2dad5e362b63b93f SHA-256: 94ed4425b196aa06531a26bc5a7b011f42574c59d854abddec611e911fdcde24
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains embedded links that redirect to known malicious infrastructure, specifically advertising a 'free generator / game hack' for Minecraft. This is a common lure to trick users into visiting malicious sites, likely to download further malware or engage in phishing. The heuristic firings and the embedded URL strongly indicate a malicious redirector workflow.

Machine Learning

  • Nyx PDF Classifier clean score 0.0127

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/479516143/minecraft-beta-free-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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003363.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3363 25164 bytes
SHA-256: 732b1b22634dd3dccc845c34a1641ab00ff716ff26551ef6e12b1471f739a22d
font_01_sfnt_off00006ca8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6CA8 3000 bytes
SHA-256: cc332f84a1b842d762e7fa50a7573a5896d96a25c21b785503f9ac338e1a97b4
font_02_sfnt_off000076f9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x76F9 17784 bytes
SHA-256: ffa4e944bc3952cb658e805fb11da1f643d70f63a75572cc293d8aa9f3ac184d

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