Malicious PDF — malware analysis report

Static analysis result for SHA-256 799032fbb3ddbbdd…

MALICIOUS

PDF

38.9 KB Created: 2021-06-03 10:06:13 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 4838893b5ae254a4a77fda5c30642d0f SHA-1: bf80f895f364930bc7a0c9afc0d08f11d25cab20 SHA-256: 799032fbb3ddbbdd213b85895d7f19be00d7887e20849599628399968e548fce
130 Risk Score

Malware Insights

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

The PDF document contains a lure for a 'Coin Master Game Hack Apk' and a prominent call-to-action button. It embeds a link that redirects to a known malicious URL, indicating a phishing or scam attempt. The document's structure and embedded content suggest it's designed to trick users into visiting a malicious site, likely to download further malware or engage in fraudulent activity.

Machine Learning

  • Nyx PDF Classifier clean score 0.0331

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/406889139/coin-master-game-hack-apk-game-hack In 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_004_off00003a4e.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3A4E 26392 bytes
SHA-256: 14c57f062af0889095e7aa1fc959ee8a31bd9757214fbd9c9d3a83e0cf7cb076
font_01_sfnt_off000076d0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x76D0 18152 bytes
SHA-256: a9beebf818d5886f30c9f2ca3dea49ae6ba882c6c1da3ca8fee2aac0910a50ab

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