Malicious PDF — malware analysis report

Static analysis result for SHA-256 eea86db3ea5848b2…

MALICIOUS

PDF

34.6 KB Created: 2021-05-25 10:13:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 69a67a293b42b9ff3df90ef7e79cadd2 SHA-1: c5a7df6330515a83d7858d21b5458056a16dce76 SHA-256: eea86db3ea5848b27b7bfe92084ba959586decf26f9bf8bebed7e2afc2f7f084
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to external websites, including one identified as a 'free generator / game hack' lure. The document body also contains phrases like 'CLICK HERE TO ACCESS MINECRAFT GENERATOR', indicating a phishing or scam attempt. The presence of embedded URLs and the nature of the lures suggest an attempt to direct users to malicious sites, likely for credential harvesting or further malware delivery.

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/479516143/free-minecraft-server-game-hack PDF link annotation
    • http://xenonsvjetla.com/files/how-to-get-free-robux-on-phone-2021_GM431946152.pdfIn PDF document text
    • http://xenonsvjetla.com/files/coin-master-free-spins-link-today_GM406889139.pdfIn PDF document text
    • https://www.xenonsvjetla.com/files/free-links-for-coin-master_GM406889139.pdfIn PDF document text
    • https://www.xenonsvjetla.com/files/daily-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://xenonsvjetla.com/files/how-to-get-free-robux-easy-no-download_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
stream_002_off0000309f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x309F 24252 bytes
SHA-256: be6a1d28c5f23a34f14cf11689cc54d294b15b23f3d177835c9952aa88fdc42e
font_01_sfnt_off000067cf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x67CF 17684 bytes
SHA-256: 971ebce79d03a5424fa8491ae570b1f65fe2ad06e00737069ab54be99501e2e8

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