Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e9132ad10298f9b…

MALICIOUS

PDF

36.1 KB Created: 2021-05-23 12:44:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 46e84a968abdc137716c84518c30c3e9 SHA-1: aae64d1edb70cf660aacc73e83b5966c44182434 SHA-256: 9e9132ad10298f9b0ef46bc206d88824565e7c0372ad4c48289b92898ffe7b2b
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links that redirect to a malicious URL, masquerading as a free game hack. The heuristic 'PDF_GAME_HACK_REDIRECT_LURE' and the presence of multiple suspicious URLs strongly indicate a phishing or scam attempt. Although no scripts were explicitly extracted, the PDF structure and embedded links suggest an attempt to lead the user to a malicious site, likely for further exploitation or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9492

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/how-to-get-minecraft-for-free-game-hack PDF link annotation
    • http://www.reikiusui.it/images/is-windows-10-minecraft-free_GM479516143.pdfIn PDF document text
    • http://www.reikiusui.it/images/coin-master-free-spins-hack-but-no-surveys_GM406889139.pdfIn PDF document text
    • http://www.reikiusui.it/images/coin-master-daily-free-spins-link_GM406889139.pdfIn PDF document text
    • http://www.reikiusui.it/images/coin-master-free-blogspot_GM406889139.pdfIn PDF document text
    • http://www.reikiusui.it/images/free-robux-games_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off000034ee.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x34EE 25148 bytes
SHA-256: 30b59f30a7e48f45e88a7d1f8bf966f1d1d620fd6164b51fe80f8584463a58a6
font_01_sfnt_off00006d18.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D18 17872 bytes
SHA-256: 6fa695b9296659f7eb743de2dcac64eb87e125e0d99966acf8bb7a2f268f66d6

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