Malicious PDF — malware analysis report

Static analysis result for SHA-256 05c06c01bbaa31ca…

MALICIOUS

PDF

32.4 KB Created: 2021-07-19 21:34:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 668d61a08a2cf3ef72e686c231d0e9b6 SHA-1: 21499c9a7691966d21bbb1f891427a78a3522453 SHA-256: 05c06c01bbaa31ca4ea06f4d58a8a8237f442b628f62c7ad4462d84aa4374bcd
160 Risk Score

Malware Insights

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

This PDF document contains multiple links to known malicious redirectors, masquerading as game hacks and free generators. The primary lure URL is http://netcdn.tw/app/479516143/minecraft-java-edition-free-trial-game-hack, which is designed to trick users into downloading potentially harmful content. The document body also contains a call to action, 'CLICK HERE TO ACCESS MINECRAFT GENERATOR', further reinforcing the social engineering aspect.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9900

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 http://netcdn.tw/app/479516143/minecraft-java-edition-free-trial-game-hack In PDF document text
    • https://felmerihomes.com.au/images/free-24-7-minecraft-server_GM479516143.pdfIn PDF document text
    • https://felmerihomes.com.au/images/how-to-get-free-robux-on-phone_GM431946152.pdfIn PDF document text
    • https://felmerihomes.com.au/images/minecraft-skins-free-girl_GM479516143.pdfIn PDF document text
    • https://felmerihomes.com.au/images/best-minecraft-hacks_GM479516143.pdfIn PDF document text
    • https://felmerihomes.com.au/images/get-free-robux-now_GM431946152.pdfIn PDF document text
    • https://felmerihomes.com.au/images/rblx-city-free-robux_GM431946152.pdfIn PDF document text
    • https://felmerihomes.com.au/images/free-spin-in-coin-master_GM406889139.pdfIn PDF document text
    • https://felmerihomes.com.au/images/coin-master-daily-free-spins-blogspot_GM406889139.pdfIn PDF document text
    • https://felmerihomes.com.au/images/coin-master-free-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://felmerihomes.com.au/images/free-robux-survey_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_off00002c4b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2C4B 22104 bytes
SHA-256: 71ff5fcd7ceb1314871092adccb3217e40f3c7bad06bfeb21fa5a9c0672a5c07
font_01_sfnt_off00005ca7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5CA7 18240 bytes
SHA-256: 1be29b22a500e2a60a7236cc7f3818504a778037c129f908a3826a58d12b939a

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