PDF static analysis report

Static analysis result for SHA-256 9142b29f490b02c8…

SUSPICIOUS

PDF

35.6 KB Created: 2021-06-19 19:38:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: f8a4204ad787943a02f7496dbdebd879 SHA-1: c60a4d30cca4609f2063ece3b91904e95fd214a1 SHA-256: 9142b29f490b02c835659708d3933b7f50d595c25940c9c2258ed48d9f020967
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains embedded URLs and text that lure the user into downloading a file by promising free Roblox gift card codes. The ML classifier strongly flagged this PDF as malicious, and the presence of multiple external URLs suggests an attempt to redirect the user to a malicious download site. No scripts were extracted from this sample.

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.co/app/431946152/free-roblox-gift-card-codes-2021-junr-game-hack PDF link annotation
    • https://hekl-software.de/images/microsoft-rewards-free-robux_GM431946152.pdfIn PDF document text
    • https://hekl-software.de/images/minecraft-online-free-download_GM479516143.pdfIn PDF document text
    • https://hekl-software.de/images/free-tiktok-followers-no-human-verification_GM835599320.pdfIn PDF document text
    • https://hekl-software.de/images/code-free-robux_GM431946152.pdfIn PDF document text
    • https://hekl-software.de/images/how-do-you-hack-roblox_GM431946152.pdfIn PDF document text
    • https://hekl-software.de/images/minecraft-bedrock-download_GM479516143.pdfIn PDF document text
    • https://hekl-software.de/images/best-roblox-robux-hack_GM431946152.pdfIn PDF document text
    • https://hekl-software.de/images/minecraft-bedrock-edition-pc-download-free_GM479516143.pdfIn PDF document text
    • https://hekl-software.de/images/minecraft-tiktok-hacks_GM479516143.pdfIn PDF document text
    • https://hekl-software.de/images/roblox-pokemon-brick-bronze-arcade-hack_GM431946152.pdfIn PDF document text
    • https://hekl-software.de/images/prestonplayz-hacked-my-roblox-account_GM431946152.pdfIn PDF document text
    • https://hekl-software.de/images/free-roblox_GM431946152.pdfIn PDF document text
    • https://hekl-software.de/images/minecraft-hacks-18-9_GM479516143.pdfIn PDF document text
    • https://hekl-software.de/images/free-robux-codes-september-2021_GM431946152.pdfIn PDF document text
    • https://hekl-software.de/images/freespincoin-masterlinkdownload_GM406889139.pdfIn PDF document text
    • https://hekl-software.de/images/how-to-get-minecraft-java-edition-for-free_GM479516143.pdfIn PDF document text
    • https://hekl-software.de/images/roblox-com-games-referrer-roblox-player_GM431946152.pdfIn PDF document text
    • https://hekl-software.de/images/roblox-hack-mod-pc_GM431946152.pdfIn PDF document text
    • https://hekl-software.de/images/minecraft-beta-free_GM479516143.pdfIn PDF document text
    • https://hekl-software.de/images/minecraft-thumbnail-maker-free_GM479516143.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_off00002ff9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FF9 23044 bytes
SHA-256: 63c56e0793fa576d94dbc3976b7b13563cec090d773a7153d4160e758c9e830f
font_01_sfnt_off000063fd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63FD 19756 bytes
SHA-256: e0eea3b36fc26cae8e8c42db53fb5d763f7d5f43aabfe8bf767cf4180323e883