PDF static analysis report

Static analysis result for SHA-256 c18b6536fd742a2b…

SUSPICIOUS

PDF

44.6 KB Created: 2021-05-14 23:21:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 9a6d4bed933a59acfcbb3ae8b07e4ec8 SHA-1: 581d2bc6d5a4743d61551e4cd8d4b2985bc367d9 SHA-256: c18b6536fd742a2b2be190b7838a943cf12ed78d39e7c023c036a2095f52fea4
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains an embedded URL pointing to a potential download related to 'Roblox Hacks'. The ML classifier strongly flagged this PDF as malicious, and the document body, though partially corrupted, includes the same URL and mentions 'Roblox Hacks', suggesting a lure for malicious content. No scripts were extracted, but the presence of external URIs and the ML classification indicate a high likelihood of malicious intent, likely involving the download of a second-stage payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 3

  • 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/roblox-hacks-com-game-hack PDF link annotation
    • https://www.audipec.com.br/images/free-coin-spin_GM406889139.pdfIn PDF document text
    • https://www.audipec.com.br/images/hack-coin-master-android-game_GM406889139.pdfIn PDF document text
    • https://www.audipec.com.br/images/hack-coin-master-for-free_GM406889139.pdfIn PDF document text
    • https://www.audipec.com.br/images/coin-master-fan-page_GM406889139.pdfIn PDF document text
    • https://www.audipec.com.br/images/free-daily-coin-master-coins_GM406889139.pdfIn PDF document text
    • https://www.audipec.com.br/images/free-draw-2-roblox_GM431946152.pdfIn PDF document text
    • https://www.audipec.com.br/images/how-to-get-free-robux-for-kids_GM431946152.pdfIn PDF document text
    • https://www.audipec.com.br/images/minecraft-free-apk_GM479516143.pdfIn PDF document text
    • https://www.audipec.com.br/images/coin-master-homepage_GM406889139.pdfIn PDF document text
    • https://www.audipec.com.br/images/coin-master-free-spins-and-free-coins_GM406889139.pdfIn PDF document text
    • https://www.audipec.com.br/images/roblox-trolling_GM431946152.pdfIn PDF document text
    • https://www.audipec.com.br/images/how-to-create-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
    • https://www.audipec.com.br/images/como-descargar-coin-master-hackeado_GM406889139.pdfIn PDF document text
    • https://www.audipec.com.br/images/how-to-hack-a-roblox-account-easy_GM431946152.pdfIn PDF document text
    • https://www.audipec.com.br/images/coin-master-links-for-free-spins-2021_GM406889139.pdfIn PDF document text
    • https://www.audipec.com.br/images/roblox-free-vip-server_GM431946152.pdfIn PDF document text
    • https://www.audipec.com.br/images/coin-master-hack-unlimited-spins_GM406889139.pdfIn PDF document text
    • https://www.audipec.com.br/images/coin-master-reward-link-2021_GM406889139.pdfIn PDF document text
    • https://www.audipec.com.br/images/roblox-games-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • https://www.audipec.com.br/images/freerobuxhack-us_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_off000048dc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x48DC 29164 bytes
SHA-256: fb65de220ba500436dd3d3105aabb7d5bad7a2921d40cf5d8e3c5e141ea356d8
font_01_sfnt_off00008b8e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8B8E 18440 bytes
SHA-256: 1a583cd050f8f98e2431c615d76cb557f5db8d78fe9a055893f9d58d3dd3bb04