PDF static analysis report

Static analysis result for SHA-256 4343c07d1616cef0…

SUSPICIOUS

PDF

33.6 KB Created: 2021-06-21 12:31:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 737f5df7ead4d1c0c47d25a8159aa78a SHA-1: 8e940caa969a75f359209061996eab5d0d2d7443 SHA-256: 4343c07d1616cef0498931a6e0d30b0d18bc9f6821989da533a8553ff415881f
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains numerous embedded URLs, many of which are related to game hacks and cheats, suggesting a lure for users to download potentially malicious software. The ML classifier also flagged this PDF as malicious with high confidence. The presence of a visual download button heuristic further supports the intent to trick users into clicking links.

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/allahuakbar-roblox-hack-game-hack PDF link annotation
    • http://bressanassessoria.com.br/images/minecraft-tower-defense-hacked_GM479516143.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/http-rbgenappzoneteamcom-roblox-hack_GM431946152.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/free-roblox-bandit-mask_GM431946152.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/coin-master-hack-mod-game-download_GM406889139.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/game-give-free-robux_GM431946152.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/free-robux-generator-no-download-no-surveys-2021_GM431946152.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/coin-master-game-free-play-online_GM406889139.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/blox-land-free-robux_GM431946152.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/daily-coin-master_GM406889139.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/free-robux-generator-no-survey-youtube_GM431946152.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/roblox-free-v-bucks_GM431946152.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/free-robux-no-generator_GM431946152.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/minecraft-thumbnail-maker-free_GM479516143.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/coin-master-daily-free-spins-link-app_GM406889139.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/free-spin-sites-for-coin-master_GM406889139.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/mcpe-download_GM479516143.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/free-robux-script_GM431946152.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/minecraft-pocket-apk_GM479516143.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/websites-that-give-free-robux_GM431946152.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/coin-master-free-spins-cheats_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_off0000301b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x301B 21412 bytes
SHA-256: 44e4e8a76562f56036b9c3f4f500a2a83d7d87d6905f8e560f5cefe9d1666f14
font_01_sfnt_off00005e77.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E77 18964 bytes
SHA-256: 00d0a59fe43b7505f1fe73f44781b446d9e62eef72cb6732f1a913a71e3e1ad5