Malicious PDF — malware analysis report

Static analysis result for SHA-256 75ea4ea7fdc7bc2a…

MALICIOUS

PDF

27.5 KB Created: 2021-07-06 16:22:59 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 1186ec44f6e16d12bd91566b18eebfdd SHA-1: 095958d034d0e3e8431a714c13fa17060d38d2a2 SHA-256: 75ea4ea7fdc7bc2aa2e75fc53bd9575e328077a0d1f2438fc5e05d069eeec87f
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains a lure for a 'game hack' and a download button, directing users to a known malicious redirector. The embedded URL, http://netcdn.tw/app/479516143/minecraft-pocket-edition-free-download-game-hack, is associated with malicious activity. The document's structure and content suggest it's designed to trick users into visiting a compromised site, likely to download further malware or engage in phishing.

Machine Learning

  • Nyx PDF Classifier clean score 0.0522

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 http://netcdn.tw/app/479516143/minecraft-pocket-edition-free-download-game-hack In PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001739.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1739 22268 bytes
SHA-256: 3d3ebb8c56f1b24d2703d8213e1c6ea5378eb5f5831e1d282c49eb6f992edebc
font_01_sfnt_off00004863.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4863 18900 bytes
SHA-256: e997c6825c31d07da770567e7ce25c132e242bbd6499ebc453973595e8028df8

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