Malicious PDF — malware analysis report

Static analysis result for SHA-256 96264af0a0d4a052…

MALICIOUS

PDF

35.1 KB Created: 2021-05-21 22:14:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 13ff808ac502dc18affc80fd5e50bb12 SHA-1: 9a5b8bf9f71e7f79b823a981b80aef91a9f8ffb1 SHA-256: 96264af0a0d4a052c85221102e2ba888774e76d9cefd73ae297a0a642baa2a1a
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 0.9505

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/835599320/free-tiktok-hearts-game-hack PDF link annotation
    • http://energotestcontrol.ru/images/coin-master-daily-free-spins-link-app-download_GM406889139.pdfIn PDF document text
    • http://energotestcontrol.ru/images/coin-master-hack-for-android_GM406889139.pdfIn PDF document text
    • http://energotestcontrol.ru/images/free-roblox-accounts-dantdm_GM431946152.pdfIn PDF document text
    • http://energotestcontrol.ru/images/how-to-get-xp-in-pokemon-go_GM1094591345.pdfIn PDF document text
    • http://energotestcontrol.ru/images/getrobux-ninja_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_off00002ebb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2EBB 26476 bytes
SHA-256: 118c7545778768eabfb1d41bc1fbbf6d6fd4c19383561e5e4eaf5cc338aae997
font_01_sfnt_off000069a1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x69A1 17684 bytes
SHA-256: d2d02d8ba990aafabbf3c8139bcf1f40ce6ab80109d0e8cf226d19766131c391

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