Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d45395b0db4fbec…

MALICIOUS

PDF

39.7 KB Created: 2021-05-20 18:09:37 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 2051d5308e0ce749e9e3c649254a59be SHA-1: d58208ea6f3d8c9c5ad9bde84fddbdcd9e21ec03 SHA-256: 9d45395b0db4fbec3f4d2a0adcda0b6270938a800aef73c1be5a43bac0abcb1e
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, specifically advertising free game hacks and generators. The document body includes a prominent call to action to 'CLICK HERE TO ACCESS MINECRAFT GENERATOR', reinforcing the lure. The embedded URLs and the heuristic firings strongly indicate a social engineering attack aimed at redirecting users to potentially harmful websites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8060

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-bedrock-edition-free-game-hack In PDF document text
    • https://beauty911.tw/upload/files/minecraft-on-computer-free_GM479516143.pdfIn PDF document text
    • https://beauty911.tw/upload/files/free-account-roblox-with-robux_GM431946152.pdfIn PDF document text
    • https://beauty911.tw/upload/files/how-to-get-free-robux-for-real_GM431946152.pdfIn PDF document text
    • https://beauty911.tw/upload/files/robuxlove-net-free-robux_GM431946152.pdfIn PDF document text
    • https://beauty911.tw/upload/files/roblox-free-robux-generator_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000034b4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x34B4 26476 bytes
SHA-256: 75e581544c82f48454adffe1ec532984504d2852bb985142670c09273671ad7d
font_01_sfnt_off00006f70.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F70 3128 bytes
SHA-256: 801f6fa60decd1add2f223f91580103c35e150c924465f86a7a572b3e00674f9
font_02_sfnt_off000079af.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x79AF 18268 bytes
SHA-256: 0b29718dce26c4d1fb8eff562362f22d55d4276ac23c5c88aa1b07f7376859fd

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