Malicious PDF — malware analysis report

Static analysis result for SHA-256 cab9f03c6f517a02…

MALICIOUS

PDF

38.5 KB Created: 2021-05-12 10:41:51 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 21836ded6a99801123be78e772f7dbf9 SHA-1: 1e17c069235d00b82553c3ea3ed36bd3eb08303a SHA-256: cab9f03c6f517a026542403e645ca39e021dc782e9cd84c5b5e37f50017d13ae
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded links that redirect to malicious infrastructure, specifically advertising a 'free Minecraft generator'. The heuristic firings indicate that these links are designed as a lure for game hacks or generators. While no scripts were extracted, the presence of malicious redirector links strongly suggests an attempt to lead the user to a malicious site, likely for further exploitation or malware delivery.

Machine Learning

  • Nyx PDF Classifier clean score 0.0127

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/free-minecraft-client-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_003_off00003474.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3474 25172 bytes
SHA-256: 0aa59d786c37624a003704477a6b54db08a587627ea078f9f02f41b3d9d80333
font_01_sfnt_off00006d0a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D0A 2892 bytes
SHA-256: c2578a292634a901613c1dd9f9883dd4930e6811e59ae03d696f263e56ea17b4
font_02_sfnt_off000076f4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x76F4 17644 bytes
SHA-256: ce5b71cd939a97bbe405c9e475902c75b00f7b9e8e716883d10cd93b76626efe

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