PDF static analysis report

Static analysis result for SHA-256 71d56c58b8002487…

SUSPICIOUS

PDF

34.5 KB Created: 2021-07-03 14:29:21 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 6fe7d3fb5a3b59ffff82fe1b072778ad SHA-1: d05f48359051adee858c76d045ba48b83dd95846 SHA-256: 71d56c58b8002487b83aeb3c225dfec41a72b5acd7e005d0506cb14e61a89e12
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs, including one pointing to 'netcdn.tw', which likely serves as a lure for downloading a malicious payload. The document body and extracted URLs suggest a scam related to free in-game currency or accounts, a common social engineering tactic. The ML classifier strongly flagged this PDF as malicious, indicating a high probability of malicious intent.

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.tw/app/431946152/get-free-robux-generator-game-hack PDF link annotation
    • http://pspmrsmbpj.com/opac/repository/free-robux-codes-no-verification-2021_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmbpj.com/opac/repository/free-old-roblox-accounts_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmbpj.com/opac/repository/daily-free-coin-and-spin-link-for-coin-master_GM406889139.pdfIn PDF document text
    • http://pspmrsmbpj.com/opac/repository/robux-hack-download-games_GM431946152.pdfIn PDF document text
    • http://pspmrsmbpj.com/opac/repository/robux-download_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmbpj.com/opac/repository/roblox-tycoon-simulator-hack_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmbpj.com/opac/repository/hack-anime-cross-2-roblox_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmbpj.com/opac/repository/roblox-legend-of-the-fallen-kingdom-2-rpg-cheats_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmbpj.com/opac/repository/free-roblox-accounts-with-robux-that-work-2021_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmbpj.com/opac/repository/microsoft-rewards-robux_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmbpj.com/opac/repository/how-to-get-free-items-on-roblox-android_GM431946152.pdfIn PDF document text
    • http://pspmrsmbpj.com/opac/repository/coin-master-hack-tool-no-human-verification_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmbpj.com/opac/repository/how-to-get-free-robux-for-pc-2021_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmbpj.com/opac/repository/coin-master-hacks-for-pet-food_GM406889139.pdfIn PDF document text
    • http://pspmrsmbpj.com/opac/repository/roblox-hacke-auf-spaghetti-id_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmbpj.com/opac/repository/free-robux-generator-no-download-no-surveys-2021_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmbpj.com/opac/repository/how-to-get-free-robux-without-paying-money_GM431946152.pdfIn PDF document text
    • http://pspmrsmbpj.com/opac/repository/roblox-promo-codes-free-robux_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmbpj.com/opac/repository/minecraft-fly-hack_GM479516143.pdfIn PDF document text
    • http://www.pspmrsmbpj.com/opac/repository/www-rbx-com_GM431946152.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_off000030dc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30DC 22328 bytes
SHA-256: ada7ae09db376344aee85e68ca60acc5d0a0569159b50b781ca7a0526214cd14
font_01_sfnt_off00006284.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6284 18820 bytes
SHA-256: 3cf5f9b00a39f0cfcbee830171857ad484f6534b8809920e240be9eaf31d3faa