PDF static analysis report

Static analysis result for SHA-256 d0ecd5f2041fcd87…

SUSPICIOUS

PDF

45.6 KB Created: 2021-06-08 21:22:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 7957d1691f23d910da04be732b790213 SHA-1: 173faa616e6dd4fef4b0fcf29d557701551d369b SHA-256: d0ecd5f2041fcd8709f0b5fc6c84ec77c6f9d4de9b38c4a4ca51511b2a385916
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs that lead to websites offering game cheats and hacks, suggesting a lure for users to download potentially malicious content. The ML classifier also flagged this PDF as malicious with a high probability. While no scripts were directly extracted, the presence of external URIs and the document's theme indicate a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9864

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/hacking-galaxykittty_2021-on-roblox-game-hack PDF link annotation
    • https://weddingcards-expert.tw/upload/files/how-do-u-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/no-scam-free-robux_GM431946152.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/minecraft-education-free_GM479516143.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/minecraft-pvp-hacks_GM479516143.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/best-free-robux-sites_GM431946152.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/robux-free-robux_GM431946152.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/minecraft-windows-10-code-free_GM479516143.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/free-minecraft-website_GM479516143.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/minecraft-life-hacks_GM479516143.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/coin-master-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/coin-master-links-free-spins_GM406889139.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/roblox-games-with-free-radio_GM431946152.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/how-many-tiktok-free-accounts_GM835599320.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/coin-master-free-spins-hack-link_GM406889139.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/free-robux-websites-2021_GM431946152.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/get-free-followers-on-tiktok_GM835599320.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/bux-free-robux_GM431946152.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/how-to-get-free-spins-on-coin-master-without-waiting_GM406889139.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/how-to-get-free-outfits-on-roblox_GM431946152.pdfIn PDF document text
    • https://weddingcards-expert.tw/upload/files/block-best-robux_GM431946152.pdfIn PDF document text
    • https://collectrobuxIn 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_004_off00005124.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5124 25640 bytes
SHA-256: 90b6fb451b8b00b33850a78fe7ee31bd830a9c10f9c05e0f3edf0c3ee10cd41d
font_01_sfnt_off00008c4a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8C4A 19308 bytes
SHA-256: f0060e9ab83a41480f9327b23e3377747699c0632c75a0e592dbed50078fd3eb