Malicious PDF — malware analysis report

Static analysis result for SHA-256 b14ae79da8e19378…

MALICIOUS

PDF

35.2 KB Created: 2021-05-24 03:17:20 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 007dc0d0acb23f29e3f920a586cea41f SHA-1: 544708bcba88581c9f0b7a56fd532949d177f587 SHA-256: b14ae79da8e19378edac7280d5d850b66bd6c019d8474af274e47fdd86fe687b
160 Risk Score

Malware Insights

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

The PDF contains multiple links to redirectors that masquerade as game hacks or generators, specifically mentioning 'Minecraft Free Download'. These links are designed to lure users into downloading potentially malicious files. The presence of embedded URLs and the ML classifier's high confidence score indicate a malicious intent to trick users into executing further stages of an attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9648

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-free-download-game-hack In PDF document text
    • http://sauer-umweltservice.de/images/free-robux-sites-2021_GM431946152.pdfIn PDF document text
    • http://sauer-umweltservice.de/images/coin-master-rewards-2021_GM406889139.pdfIn PDF document text
    • http://sauer-umweltservice.de/images/wahoogaming-co-free-robux_GM431946152.pdfIn PDF document text
    • http://sauer-umweltservice.de/images/coin-master-3533-android-hack_GM406889139.pdfIn PDF document text
    • http://sauer-umweltservice.de/images/free-robux-codes-2021-not-used_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off0000316c.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x316C 24376 bytes
SHA-256: 2a6e978cc2c90721c1039b44770f5dfe9e58d8261e5481ee02a8b8a44d6e4e10
font_01_sfnt_off0000683a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x683A 18292 bytes
SHA-256: eff5919d985126b8591bb7cd3dea6a103dcf6f67049ada279646be2986fdbf31

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