PDF static analysis report

Static analysis result for SHA-256 86326f7dc679d666…

SUSPICIOUS

PDF

33.5 KB Created: 2021-07-20 15:56:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: a1859775549a896460a5b036be230388 SHA-1: 585b8f79caee15c41da94a704fd58c66d3ae2144 SHA-256: 86326f7dc679d666d70cc6018dcd289ef62fed1ffe0ae68c6c7183c6d5b08ec7
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for a "Free Robux Generator" and includes a call-to-action button, directing users to external URLs. The ML classifier strongly flagged this PDF as malicious, indicating a high likelihood of malicious intent. While no scripts were explicitly extracted, the presence of embedded URIs and the ML detection suggest the document is designed to lead the user to a malicious site, likely for credential harvesting or further malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9942

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/free-robux-generator-no-survey-game-hack PDF link annotation
    • https://zabota-kashira.ru/images/free-texture-packs-for-minecraft-pe_GM479516143.pdfIn PDF document text
    • https://zabota-kashira.ru/images/minecraft-noob-vs-pro-vs-hacker-vs-god_GM479516143.pdfIn PDF document text
    • https://zabota-kashira.ru/images/free-robux-no-verification-no-survey_GM431946152.pdfIn PDF document text
    • https://zabota-kashira.ru/images/minecraft-pe-free-apk_GM479516143.pdfIn PDF document text
    • https://zabota-kashira.ru/images/get-free-robux_GM431946152.pdfIn PDF document text
    • https://zabota-kashira.ru/images/mobihack-net-roblox-hack_GM431946152.pdfIn PDF document text
    • https://zabota-kashira.ru/images/free-tiktok-followers-no-downloads_GM835599320.pdfIn PDF document text
    • https://zabota-kashira.ru/images/free-tiktok-followers_GM835599320.pdfIn PDF document text
    • https://zabota-kashira.ru/images/play-minecraft-online-free_GM479516143.pdfIn PDF document text
    • https://zabota-kashira.ru/images/minecraft-pe-015-0-apk-free-download_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002cd8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2CD8 22544 bytes
SHA-256: 0f3efcb69fca632739bcba430debb790c9aefd2bc470d3abd66e8836e5bb0af2
font_01_sfnt_off00005f13.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F13 18828 bytes
SHA-256: aa75f5f05bb8eb79e565f5ac9cc0764234429369778194e6071f59ae7cf0b631

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