PDF static analysis report

Static analysis result for SHA-256 f103e63c2b18ce04…

SUSPICIOUS

PDF

34.8 KB Created: 2021-06-20 16:23:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 5be1fc0876c485d5eea192e0958e94ab SHA-1: 47bc61e0666826cfed393fa291b751674a1c1ed8 SHA-256: f103e63c2b18ce04df532e96dd3fe9c80bddf2118405d4464c1386cf787cbd90
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The ML classifier strongly indicates maliciousness, and the document body contains URLs promoting "free items" for games, a common lure. The presence of embedded URLs and the document's content suggest an attempt to trick users into visiting external sites, likely to download malware or engage in further phishing. No scripts were extracted, but the overall pattern points to a social engineering attack.

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 http://netcdn.co/app/431946152/como-tener-cosas-gratis-en-roblox-hack-game-hack PDF link annotation
    • https://www.deg91.com/upload/files/free-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://www.deg91.com/upload/files/free-coin-master-gifts_GM406889139.pdfIn PDF document text
    • https://www.deg91.com/upload/files/free-links-coin-master_GM406889139.pdfIn PDF document text
    • https://www.deg91.com/upload/files/coin-master-links-for-today_GM406889139.pdfIn PDF document text
    • https://www.deg91.com/upload/files/robux-free-com_GM431946152.pdfIn PDF document text
    • https://www.deg91.com/upload/files/free-spin-coin-master-new-link_GM406889139.pdfIn PDF document text
    • https://www.deg91.com/upload/files/free-shirt-templates-roblox_GM431946152.pdfIn PDF document text
    • https://www.deg91.com/upload/files/free-robux-profile_GM431946152.pdfIn PDF document text
    • https://www.deg91.com/upload/files/roblox36com-free-robux_GM431946152.pdfIn PDF document text
    • https://www.deg91.com/upload/files/free-coin-master-spins-hack_GM406889139.pdfIn PDF document text
    • https://www.deg91.com/upload/files/robux-no-human-verification_GM431946152.pdfIn PDF document text
    • https://www.deg91.com/upload/files/hack-coin-master-game-apk_GM406889139.pdfIn PDF document text
    • https://www.deg91.com/upload/files/how-to-get-minecraft-for-free-on-iphone_GM479516143.pdfIn PDF document text
    • https://www.deg91.com/upload/files/microsoft-rewards-roblox_GM431946152.pdfIn PDF document text
    • https://www.deg91.com/upload/files/roblox-speed-hack_GM431946152.pdfIn PDF document text
    • https://www.deg91.com/upload/files/roblox-ninja-legends-hack-script_GM431946152.pdfIn PDF document text
    • https://www.deg91.com/upload/files/how-to-find-hacker-matrix-egg-in-roblox_GM431946152.pdfIn PDF document text
    • https://www.deg91.com/upload/files/free-tiktok-followers-generator-no-human-verification_GM835599320.pdfIn PDF document text
    • https://www.deg91.com/upload/files/can-you-make-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
    • https://www.deg91.com/upload/files/cheats-for-coin-master_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
font_00_sfnt_off0000319b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x319B 22208 bytes
SHA-256: 8223df6ac17a5e9070f597da20322c00c7830bb5b5aae4c78c60c8a4aef2676d
font_01_sfnt_off000062c3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62C3 19140 bytes
SHA-256: 86afd2d584b3fff81f9eee06b8c89b29cb33a340ac39c328a58bcb00f249cebe