Malicious PDF — malware analysis report

Static analysis result for SHA-256 6bb63194e8923b46…

MALICIOUS

PDF

37.3 KB Created: 2021-05-23 23:20:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 5e1c27b499a82f1bc52cc75339bf47c7 SHA-1: d0decc8d9c506d896e6708959f0d2714b4b304cd SHA-256: 6bb63194e8923b4675526f5ea1206b305109b0276b15645657f64e6281deaacf
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, disguised as game hacks and generators. The document body explicitly mentions 'Minecraft Realms Free Trial' and 'CLICK HERE TO ACCESS MINECRAFT GENERATOR', reinforcing the lure. The presence of embedded URLs and the ML classifier's high confidence score indicate a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9447

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-realms-free-trial-game-hack In PDF document text
    • http://musestravel.com/images/coin-master-free-spins-deutsch-download-2021-link_GM406889139.pdfIn PDF document text
    • http://musestravel.com/images/is-windows-10-minecraft-free_GM479516143.pdfIn PDF document text
    • http://musestravel.com/images/free-minecraft-java-account_GM479516143.pdfIn PDF document text
    • http://musestravel.com/images/free-coin-master-links_GM406889139.pdfIn PDF document text
    • http://musestravel.com/images/free-robux-generator-2021-no-human-verification-or-survey_GM431946152.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
stream_002_off000033ce.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x33CE 29712 bytes
SHA-256: 992f89865f09361245236fd27201b3f2f247d426f2708d8c7cfaf918cce143af
font_01_sfnt_off0000722e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x722E 17900 bytes
SHA-256: 5e9e7e4dd5050dedb25c4bef302629088f41d3cb5f82066cb4e6c0f6a9bca7dc

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