Malicious PDF — malware analysis report

Static analysis result for SHA-256 815a05d7074aaf1b…

MALICIOUS

PDF

32.8 KB Created: 2021-07-19 11:47:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 62539e7d861da67a213ee619a0eb3512 SHA-1: ab650b60bcef954750e45e83de4fc01ce9450e50 SHA-256: 815a05d7074aaf1bc36d4ba32fe7c79f0bfedf8a9e7b8d82dd638a5f548884d5
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a high-severity heuristic indicating it links to a 'free generator / game hack' lure, specifically pointing to http://netcdn.tw/app/406889139/100-free-spins-coin-master-game-hack. The document body also contains a call-to-action phrase directing users to this URL. While no scripts were extracted, the presence of embedded URLs and the nature of the lure suggest the document is designed to redirect users to a potentially malicious site, likely for credential harvesting or further malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9548

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high 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.
  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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/406889139/100-free-spins-coin-master-game-hack PDF link annotation
    • https://tanahlot.id/assets/CKImages/files/how-to-get-minecraft-java-edition-for-free_GM479516143.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/free-robux-pastebin_GM431946152.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/how-to-get-a-free-minecraft-server_GM479516143.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/tiktok-views-free_GM835599320.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/minecraft-free-download_GM479516143.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/get-tiktok-followers-free_GM835599320.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_off00002ad4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2AD4 23204 bytes
SHA-256: e2c2b73f70c5df86db989abe9f83addf4857a7747932ea6ad69650b19979fcf5
font_01_sfnt_off00005ed8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5ED8 18164 bytes
SHA-256: 9bc61af2acbda784231945e40c4a4bb5d6810b0d04641be6b37b2cdd3c5b78bc

Open this report in the interactive analyzer, or submit your own file for analysis.