Malicious PDF — malware analysis report

Static analysis result for SHA-256 06ea0e0df7e5a813…

MALICIOUS

PDF

35.6 KB Created: 2021-05-24 11:00:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 2fb4bd9ed5961a2c2e3c4f99b3195eaf SHA-1: 2bb5f204957bc7df52427b5f5e21cc99254ef0c4 SHA-256: 06ea0e0df7e5a813f0a7e0adeec83ba68c8fe241fcdac957f19369602d02cd62
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9508

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 https://netcdn.xyz/app/406889139/coin-master-free-soins-game-hack PDF link annotation
    • http://www.dciprotection.ca/images/coin-master-official-fan-page_GM406889139.pdfIn PDF document text
    • http://www.dciprotection.ca/images/free-robux-by-watching-ads_GM431946152.pdfIn PDF document text
    • http://www.dciprotection.ca/images/how-to-get-minecraft-for-free-on-xbox-360_GM479516143.pdfIn PDF document text
    • http://www.dciprotection.ca/images/collect-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://www.dciprotection.ca/images/haktuts-coin-master-free-spin-link_GM406889139.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_off00003135.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3135 25164 bytes
SHA-256: 6939686efdadcfecf964692786fbf3175aa276f656078daa8aab5c36f1ed255a
font_01_sfnt_off00006b6e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B6E 17712 bytes
SHA-256: a621fa0cf6ecf429ccb0e9762dad0d1971a2824e8730eca88621f5efe7e14995

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