PDF static analysis report

Static analysis result for SHA-256 cf6679d9b78545b4…

SUSPICIOUS

PDF

44.8 KB Created: 2021-05-19 21:58:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 7fbf6617905f8250429fa5868df29bc1 SHA-1: c6c3a887b92d009751d124f4e57db697bc1ad58d SHA-256: cf6679d9b78545b44f8749c5123f0ce31026cba92ec782e25abb169f2ac47e29
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous embedded URLs and a prominent link to 'freegames911.com', suggesting a lure for users seeking game cheats or currency. The ML classifier strongly flagged this PDF as malicious, and the presence of multiple suspicious URLs indicates a high likelihood of leading to a malicious download or phishing site. No scripts were extracted, but the document's structure and embedded links are indicative of 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 https://netcdn.xyz/app/406889139/freegames911.com-coin-master-tips-and-cheats-2021-free-coins-and-spins-game-hack PDF link annotation
    • http://bressanassessoria.com.br/images/free-roblox-hack-us_GM431946152.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/coin-master-free-spins-link-facebook-page_GM406889139.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/coin-master-hack-apk-35-11_GM406889139.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/coin-master-free-coins-and-spins-online-tool_GM406889139.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/how-to-get-free-robux-2021-easy_GM431946152.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/robux-free-2021_GM431946152.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/minecraft-hacker-skin_GM479516143.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/free-robux-now_GM431946152.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/tiktok-free-auto-views_GM835599320.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/how-to-use-redstone_GM479516143.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/how-to-get-free-robux-in-2021_GM431946152.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/coin-master-spin-link-free-download_GM406889139.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/coin-master-unlimited-spins-apk-free-download_GM406889139.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/roblox-hack-2021_GM431946152.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/coin-master-free-spins-youthnow_GM406889139.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/robux-offers_GM431946152.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/coin-master-free-coins_GM406889139.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/free-robux-without-human-verification_GM431946152.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/free-spins-coins-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
stream_003_off00004de1.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4DE1 25632 bytes
SHA-256: 1e439ff1e40db746c1c58369f8034def7b5722bfdafe9ed4e6284cf807076dfa
font_01_sfnt_off00008978.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8978 19440 bytes
SHA-256: d21e09e6d84846a171b344f261e29994bfe04b5ec0080f7ce55354125b7c97ed