Malicious PDF — malware analysis report

Static analysis result for SHA-256 62c0034726849b39…

MALICIOUS

PDF

39.0 KB Created: 2021-05-10 14:08:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 2b160c4e2bd5e509da56bf7b6b55a63d SHA-1: d5b39c01d81b36fcfd434c6fce84bce0a2185584 SHA-256: 62c0034726849b394467507d552eb4c1b7d6c93231b9cedef111374d1dbeb280
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 0.9926

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/431946152/free-limiteds-roblox-game-hack PDF link annotation
    • https://domoticaaplicada.com/images/roblox-hack-game_GM431946152.pdfIn PDF document text
    • https://domoticaaplicada.com/images/roblox-generator_GM431946152.pdfIn PDF document text
    • https://domoticaaplicada.com/images/free-robux-no-verification-2021-ios_GM431946152.pdfIn PDF document text
    • https://domoticaaplicada.com/images/free-coin-master-spins-no-human-verification_GM406889139.pdfIn PDF document text
    • https://domoticaaplicada.com/images/coin-master-free-spins-and-coins-hack_GM406889139.pdfIn PDF document text
    • https://domoticaaplicada.com/images/free-robux-no-downloading-apps_GM431946152.pdfIn PDF document text
    • https://domoticaaplicada.com/images/get-free-spins-from-coin-master_GM406889139.pdfIn PDF document text
    • https://domoticaaplicada.com/images/google-how-do-you-get-robux_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_off00003ac6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3AC6 25460 bytes
SHA-256: bbe7ba9abc33eb92be967adb6dfeb219b0d1a3c2e3a24e97ebf2f79ce5eaa5bb
font_01_sfnt_off0000759e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x759E 18604 bytes
SHA-256: cd6e3b888b69b87eccf2bd9bf0eaf83aa01cccd071b198ee6fa00879ae765b94

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