PDF static analysis report

Static analysis result for SHA-256 f3d018333aa86676…

SUSPICIOUS

PDF

34.5 KB Created: 2021-07-04 06:19:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: c09a20218ed247c7adbdd682ca2f79a9 SHA-1: 5f3686e152233b1d709a5c3bb4cd7c57ac75bd33 SHA-256: f3d018333aa86676656970ca17fa1654e59c939b74a32bef35abcace5f060e9f
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs pointing to sites offering game hacks and cheats, strongly suggesting a lure for users to download potentially malicious files. The ML classifier also flagged this PDF as malicious with high confidence. While no scripts were directly extracted, the presence of external URIs and the document's content indicate an attempt to trick users into downloading malware, likely via a spearphishing attachment vector.

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.tw/app/431946152/hacked-roblox-game-game-hack PDF link annotation
    • http://bepquannhu.vn/upload/editor/files/free-roblox-groups-no-owner_GM431946152.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/roblox-hack-cheat-engine-2021_GM431946152.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/free-spins-on-coin-master-cheat_GM406889139.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/how-to-get-free-cards-for-coin-master_GM406889139.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/free-game-pack-with-google-play-coin-master_GM406889139.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/what-is-robux_GM431946152.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/free-spins-coin-master-blogspot_GM406889139.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/is-minecraft-free_GM479516143.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/robux-hack-download-no-survey_GM431946152.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/free-robux-generator-2021_GM431946152.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/free-robux-working_GM431946152.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/more-robux_GM431946152.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/how-to-get-free-robux-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/como-descargarse-hacks-en-roblox-jailbreak-agosto_GM431946152.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/roblox-websites-that-give-free-robux_GM431946152.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/minecraft-realms-free_GM479516143.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/collect-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/discord-free-robux-bot_GM431946152.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/how-to-get-free-robux-hack_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_off0000305f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x305F 22152 bytes
SHA-256: 28bb373842bfc152cfa597d70721ffa2bc89acb8baa228aed650a7d9403c025f
font_01_sfnt_off00006168.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6168 19092 bytes
SHA-256: e06e2496ecc1c3d364978b7a8e0823831cb090cb55aacb01fa8d052e2f05e4c6