Malicious PDF — malware analysis report

Static analysis result for SHA-256 9834db3f30fe68cd…

MALICIOUS

PDF

35.8 KB Created: 2021-05-23 16:40:37 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: bd573d05285bc8ad85a8f9f7e2a182a5 SHA-1: 8c17b027190addb010d698e3be7a7e67c589628e SHA-256: 9834db3f30fe68cd3f1ab13065db5a9c7ddad9426246ffc69e14e24f0e093d59
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to redirector infrastructure, including one specifically identified as malicious and associated with game hacks. The document body includes a prominent "CLICK HERE TO ACCESS MINECRAFT GENERATOR" call to action, reinforcing the lure. While no scripts were directly extracted, the PDF structure and embedded links strongly suggest a social engineering attack aimed at driving users to malicious websites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9492

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-pe-free-apk-game-hack In PDF document text
    • http://carmen-duran.com/images/free-roblox-characters_GM431946152.pdfIn PDF document text
    • http://carmen-duran.com/images/free-tiktok-followers-no-verification-or-survey_GM835599320.pdfIn PDF document text
    • http://carmen-duran.com/images/coin-master-cards-for-free_GM406889139.pdfIn PDF document text
    • http://carmen-duran.com/images/free-robux-offers_GM431946152.pdfIn PDF document text
    • http://carmen-duran.com/images/how-to-get-free-pets-in-adopt-me-roblox_GM431946152.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
font_00_sfnt_off00003573.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3573 24232 bytes
SHA-256: 326fb6296a7e94b8c45d3c5a5611415b560e30ba0e82c5a9e0c02d7f1e23030e
font_01_sfnt_off00006b99.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B99 18068 bytes
SHA-256: 35104518e66c8492531759eb706d86fdb36771bd3dd1e1625049e5bd6be6693d

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