Malicious PDF — malware analysis report

Static analysis result for SHA-256 eef4989b565f4eb2…

MALICIOUS

PDF

30.9 KB Created: 2021-07-19 06:47:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: c4c475922b72d5b818c1aabc1fc6c839 SHA-1: 7d1423c449786ca36a66f685dfd5310c84009e9b SHA-256: eef4989b565f4eb29de0819f0835c834f98849aec6a8678e4fc5704c613e3b9c
130 Risk Score

Malware Insights

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

The PDF contains multiple links that redirect to a malicious domain, masquerading as a game hack or generator. The document body explicitly contains phrases like 'CLICK HERE TO ACCESS MINECRAFT GENERATOR', indicating a social engineering lure. The presence of embedded URLs and the nature of the lure suggest an attempt to trick the user into visiting a malicious site, likely to download further malware or engage in phishing.

Machine Learning

  • Nyx PDF Classifier clean score 0.0673

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-free-download-ios-game-hack In PDF document text
    • http://mb-alati.hr/files/free-spins-on-coin-master-2021_GM406889139.pdfIn 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_off000025b1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x25B1 22352 bytes
SHA-256: 6a1ce241fc857ebf28831f46d3c1613c7af02ef669f46c54bd3bb2c9ecaca3fe
font_01_sfnt_off0000572e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x572E 18292 bytes
SHA-256: 753811b4f273a5193b6cf6bc91b948249e8ca1a4fe068b1e84efe9b046d1d7eb

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