Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d932dcb08646180…

MALICIOUS

PDF

35.8 KB Created: 2021-05-13 20:09:26 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: e1d77a84ed4a24e375a59ec045ae0586 SHA-1: 3f2b14135eb1a8e893cc716317ffec85e826b354 SHA-256: 5d932dcb086461806231e647f04558b0b19ebc1f5492ff1ed5d0481aec5fc86e
130 Risk Score

Malware Insights

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

The PDF contains embedded links that redirect to known malicious infrastructure, specifically a URL associated with game hacks. The document body also contains text and a button-like element suggesting a download or access lure. The presence of embedded URLs and the nature of the lure indicate an attempt to trick the user into visiting a malicious site, likely to download further malware or exploit vulnerabilities.

Machine Learning

  • Nyx PDF Classifier clean score 0.0282

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/wurst-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_003_off00003476.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3476 24644 bytes
SHA-256: f0aebb6339963e37a0c86b86a7d0bdaa7da7c391d3797eb55d32946142c00698
font_01_sfnt_off00006ccd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6CCD 17556 bytes
SHA-256: c7eba0d35d3482de39ce9cd640884e3a275f5f00d67f8fb5d6d0debc1aa3211b

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