Malicious PDF — malware analysis report

Static analysis result for SHA-256 47dd0e487e324956…

MALICIOUS

PDF

43.4 KB Created: 2021-06-03 14:32:51 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: f80c1e1362dbbade419c536e60840835 SHA-1: e2a4b0fa283a38adec233ddfc8ef1a8b241486f0 SHA-256: 47dd0e487e324956f99f10b4bdebddf12e4b4ad6931a2fcc1165300e5b4c8f98
130 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a game hack redirect lure, pointing to a known malicious URL. The document body and embedded metadata also reference this lure, suggesting an attempt to trick users into visiting a site that likely hosts further malicious content or exploits. The presence of embedded URLs and the nature of the lure indicate a phishing attempt designed to lead to client-side exploitation.

Machine Learning

  • Nyx PDF Classifier clean score 0.0285

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.online/app/431946152/roblox-hacked-version-download-game-hack In PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00003e08.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3E08 26080 bytes
SHA-256: 3037747402779ad48cd9997cda9eeb0dc30a6d6e532bdafd54a62521493b4169
font_01_sfnt_off000078df.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x78DF 3992 bytes
SHA-256: ca9cd4f0345d8483bda3e807ea4e40142b8bf70d3672af2d6a5dd7953d1a2391
font_02_sfnt_off00008606.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8606 18940 bytes
SHA-256: 045b97c0477fa0a77fe25df190f3dc8d91b636a592878cab4dc6788bf6280dbe

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