Malicious PDF — malware analysis report

Static analysis result for SHA-256 bbb3b4ae8e232cfd…

MALICIOUS

PDF

35.0 KB Created: 2021-05-22 17:39:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 0874a0e2deb5e142a258e1ebe647efa6 SHA-1: db8a0211927378a7dbc6f15944c0ebe4815c598f SHA-256: bbb3b4ae8e232cfdb39071d7c364d1acd0017e6b8a2497daba21997bb077e76d
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 'Minecraft Windows 10 Hacked Client' and a call-to-action button, directing users to a known malicious redirector URL. This suggests an attempt to trick users into downloading potentially unwanted or malicious software. While no scripts were directly extracted, the PDF structure and embedded links are indicative of a social engineering attack.

Machine Learning

  • Nyx PDF Classifier clean score 0.0718

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-windows-10-hacked-client-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
stream_002_off00002e58.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2E58 24844 bytes
SHA-256: 1529787826908762ad5c09274dd2b1abbb12f3489cd5abab6a99028a3906234a
font_01_sfnt_off00006645.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6645 18768 bytes
SHA-256: f9a71ab68452ae4ccd094805e59123059ba28481ac44c73a337d9a6d18fc1d00

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