PDF static analysis report

Static analysis result for SHA-256 55c51305bfeaa1ef…

SUSPICIOUS

PDF

47.5 KB Created: 2021-06-09 02:09:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 91ee6081ce693e22ea882c5a79446ef8 SHA-1: 1a0a7333d2d43c9dab22b7b686cc580b4d118b52 SHA-256: 55c51305bfeaa1efb954226d06639dc072c8a3aea19c2ef2993af6aee59e4474
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and a heuristic firing for an external URI, suggesting it is designed to redirect users to malicious content. The document body, though heavily obfuscated, contains references to game hacks and free in-game currency, indicating a lure for users interested in such topics. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9832

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.tw/app/431946152/hacks-for-legends-of-speed-roblox-game-hack PDF link annotation
    • http://brokermortgages.com/images/free-robux-sites-that-work_GM431946152.pdfIn PDF document text
    • http://brokermortgages.com/images/how-to-get-free-hair-on-roblox_GM431946152.pdfIn PDF document text
    • http://brokermortgages.com/images/pokemon-go-free-healing_GM1094591345.pdfIn PDF document text
    • http://brokermortgages.com/images/roblox-studio-free_GM431946152.pdfIn PDF document text
    • http://brokermortgages.com/images/free-robux-generator-no-human-verification_GM431946152.pdfIn PDF document text
    • http://brokermortgages.com/images/minecraft-java-code-free_GM479516143.pdfIn PDF document text
    • http://brokermortgages.com/images/games-that-give-free-robux_GM431946152.pdfIn PDF document text
    • http://brokermortgages.com/images/blox-fish-free-robux_GM431946152.pdfIn PDF document text
    • http://brokermortgages.com/images/how-to-get-free-coins-on-flip-master_GM406889139.pdfIn PDF document text
    • http://brokermortgages.com/images/how-to-get-free-robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://brokermortgages.com/images/dansploit-hack-roblox-download_GM431946152.pdfIn PDF document text
    • http://brokermortgages.com/images/minecraft-ps4-free_GM479516143.pdfIn PDF document text
    • http://brokermortgages.com/images/coin-master-free-spins-2021-generator_GM406889139.pdfIn PDF document text
    • http://brokermortgages.com/images/roblox-land-free-robux_GM431946152.pdfIn PDF document text
    • http://brokermortgages.com/images/freer-tiktok_GM835599320.pdfIn PDF document text
    • http://brokermortgages.com/images/coinmasterdailyfreespins-com_GM406889139.pdfIn PDF document text
    • http://brokermortgages.com/images/free-robux-gift-card-codes-2021_GM431946152.pdfIn PDF document text
    • http://brokermortgages.com/images/free-robux-app_GM431946152.pdfIn PDF document text
    • http://brokermortgages.com/images/earn-robux-today-earn-robux-today_GM431946152.pdfIn PDF document text
    • http://brokermortgages.com/images/coin-master-unlimited-spin-hack-mod-apk_GM406889139.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
stream_004_off00004f2e.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4F2E 31656 bytes
SHA-256: 15e317c4262bb341f4b9c4e1a1ae54d20751f7ab5da6992b9bcd08b542da6179
font_01_sfnt_off00009512.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9512 18984 bytes
SHA-256: 686b8e80af2c5f491aa6513581119a54fd1383a6f852d737cf86197ff0d29dff

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