PDF static analysis report

Static analysis result for SHA-256 39bb92a80a31dfc0…

SUSPICIOUS

PDF

43.6 KB Created: 2021-05-17 07:05:26 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 5ac240873bb3aecfd5bcba013b3765d0 SHA-1: cb97d173acddbe0212d9dd5a77083f474f75f20c SHA-256: 39bb92a80a31dfc0e10a499554ae0b4ea1cba6369964650cf34c2c2792d89c2b
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded URLs, including one pointing to 'how-to-hack-in-arsenal-game-hack', suggesting a lure for game-related exploits or cheats. The ML classifier strongly flagged this PDF as malicious. While no scripts were explicitly extracted, the presence of external URIs and the document's content indicate a likely attempt to redirect the user to a malicious site, potentially for malware download or phishing.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

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/how-to-hack-in-arsenal-game-hack PDF link annotation
    • http://arhi-z.ru/images/free-spin-coin-master-link-2021_GM406889139.pdfIn PDF document text
    • http://arhi-z.ru/images/free-robux-generator-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://arhi-z.ru/images/robux-generator-that-works_GM431946152.pdfIn PDF document text
    • http://arhi-z.ru/images/coin-master-spin-free_GM406889139.pdfIn PDF document text
    • http://arhi-z.ru/images/coin-master-free-spins-apple_GM406889139.pdfIn PDF document text
    • http://arhi-z.ru/images/free-spin-link-coin-master_GM406889139.pdfIn PDF document text
    • http://arhi-z.ru/images/earn-robux-websites_GM431946152.pdfIn PDF document text
    • http://arhi-z.ru/images/free-minecraft-skin-packs_GM479516143.pdfIn PDF document text
    • http://arhi-z.ru/images/hack-coin-master-mod-apk_GM406889139.pdfIn PDF document text
    • http://arhi-z.ru/images/coin-master-free-attack_GM406889139.pdfIn PDF document text
    • http://arhi-z.ru/images/free-robux-no-offers_GM431946152.pdfIn PDF document text
    • http://arhi-z.ru/images/robux-free-co_GM431946152.pdfIn PDF document text
    • http://arhi-z.ru/images/free-robux-site_GM431946152.pdfIn PDF document text
    • http://arhi-z.ru/images/coinmaster-free-spins-link_GM406889139.pdfIn PDF document text
    • http://arhi-z.ru/images/minecraft-skins-free-girl_GM479516143.pdfIn PDF document text
    • http://arhi-z.ru/images/roblox-robux_GM431946152.pdfIn PDF document text
    • http://arhi-z.ru/images/coin-master-free-spins-link-download-for-iphone_GM406889139.pdfIn PDF document text
    • http://arhi-z.ru/images/free-robux-gift-card_GM431946152.pdfIn PDF document text
    • http://arhi-z.ru/images/how-to-get-free-robux-without-surveys_GM431946152.pdfIn PDF document text
    • http://arhi-z.ru/images/coin-master-hack-without-verification-code-2021_GM406889139.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_003_off0000484f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x484F 28560 bytes
SHA-256: c86ed10f97a1d1f1551c4778cbbc03455b595b4f113fea813f2004daaa680644
font_01_sfnt_off0000891b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x891B 17976 bytes
SHA-256: 2ee2d72c9f8106232dd4d475232b278a4f40f0923d5703e5df1f07c18625cce1