Malicious PDF — malware analysis report

Static analysis result for SHA-256 3d805016112ee5c0…

MALICIOUS

PDF

35.2 KB Created: 2021-05-22 15:06:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 1756a784f96d1a6c09405bd234b2e7c5 SHA-1: a9631a6aebeb181349f2a01bd2de21cc9ab5fd22 SHA-256: 3d805016112ee5c04ebf265c05405a35a3956a8cd53483f16f1326498b7eaae4
160 Risk Score

Malware Insights

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

The PDF contains multiple links to known malicious redirectors and infrastructure, disguised as a lure for game hacks. The document body explicitly contains a call-to-action phrase and a primary malicious URL. The presence of embedded URLs and the ML classifier's high confidence score indicate a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9508

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/tiktok-minecraft-hacks-game-hack In PDF document text
    • http://solidcommunication.ch/images/how-to-get-free-robux-with-no-verification_GM431946152.pdfIn PDF document text
    • http://solidcommunication.ch/images/how-to-hack-a-minecraft-server-and-make-yourself-op_GM479516143.pdfIn PDF document text
    • http://solidcommunication.ch/images/minecraft-anarchy-server-no-hacks_GM479516143.pdfIn PDF document text
    • http://solidcommunication.ch/images/master-coin-free_GM406889139.pdfIn PDF document text
    • http://solidcommunication.ch/images/minecraft-java-free_GM479516143.pdfIn 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_off00003201.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3201 24176 bytes
SHA-256: 8ae962d59cd0502668d64f772e59e8de4e92bfd6802d64f6e3fb1435058c7fb0
font_01_sfnt_off0000696d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x696D 17880 bytes
SHA-256: df7e49ec95a548ee0d23b7b279df4e27423bf5bf6641f50b7ca94314a26af21a

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