Malicious PDF — malware analysis report

Static analysis result for SHA-256 4783ce1d249f09c5…

MALICIOUS

PDF

36.6 KB Created: 2021-05-30 03:53:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 5b22f78ca4fb25040419434696ff5302 SHA-1: 3cbb37aa6be0666dc88230aa5858f25159205e94 SHA-256: 4783ce1d249f09c52d8d7d1e4a578751f4869b0a336deb2b09d4707fc37f6149
160 Risk Score

Malware Insights

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

The PDF contains a lure for a 'Roblox Hack Generator' which links to a known malicious redirector. The document body and heuristics indicate a social engineering attempt to trick users into visiting malicious infrastructure. While no scripts were directly extracted, the PDF structure and embedded links suggest an attempt to exploit vulnerabilities or deliver further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9430

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/431946152/roblox-hack-generator-game-hack In PDF document text
    • https://www.beautybytamar.com/wp-content/uploads/fsqm-files/free-coin-master-spins_GM406889139.pdfIn PDF document text
    • https://www.beautybytamar.com/wp-content/uploads/fsqm-files/free-tiktok-bots_GM835599320.pdfIn PDF document text
    • https://www.beautybytamar.com/wp-content/uploads/fsqm-files/how-to-install-minecraft-for-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_off00002f4d.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2F4D 27596 bytes
SHA-256: 929b0c1849dddc3580deebef0e3350f9fc41dfba39e0759f4e5bf6d94306b209
font_01_sfnt_off00006da6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DA6 18284 bytes
SHA-256: 25a7dda4fa93a15709e62d61065895c31c9e65ce27a7c8bbaa34224db667a0ef

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