PDF static analysis report

Static analysis result for SHA-256 4d4bec60254ee9fe…

SUSPICIOUS

PDF

35.9 KB Created: 2021-06-30 06:42:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: e6caaf32d56bb85aec5d98fda188eeff SHA-1: 5235cc5291eb17e3623fd85a82520da16efaa552 SHA-256: 4d4bec60254ee9fe856c7a148f10cef99be9ac295401e28106da21f2b974baa9
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple URLs pointing to sites offering free in-game items and currency, a common lure for phishing and malware distribution. The ML classifier strongly flagged this PDF as malicious, and the presence of external URIs further supports a malicious intent to redirect users to potentially harmful content. No scripts were extracted, but the overall pattern suggests a phishing or malware delivery attempt.

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/roblox-free-account-of-30-days-game-hack PDF link annotation
    • https://htdvn.com/public/upload/files/free-robux-passtebin_GM431946152.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/roblox-jeff-the-killer-shirt-free_GM431946152.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/top-10-best-free-roblox-items_GM431946152.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/how-to-get-catalog-items-for-free-free-robux_GM431946152.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/minecraft-free-install_GM479516143.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/audioscribe-free-fall-ncs-full-roblox_GM431946152.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/minecraft-svg-images-free_GM479516143.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/free-robux-glitch-on-xbox-one_GM431946152.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/earn-free-robux-for-roblox-2021_GM431946152.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/free-tiktok-followers_GM835599320.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/download-coin-master-apk-hack_GM406889139.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/minecraft-redeem-code-free-2021_GM479516143.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/probability-that-the-new-roblox-item-will-be-free_GM431946152.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/free-robux-no-verify-2021_GM431946152.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/roblox-codes-to-get-free-clothes_GM431946152.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/coin-master-free-spins-link-fb_GM406889139.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/coin-master-bonus_GM406889139.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/rbxdemon_GM431946152.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/coin-master-hack-no-download_GM406889139.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/minecraft-114-download_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_off000031d8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x31D8 23004 bytes
SHA-256: 36606cb5dafd2fb911bb6666ae566ba502f0eda476400955e3f1dde9a8a72ebd
font_01_sfnt_off00006574.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6574 19588 bytes
SHA-256: e91042e8945b5c70fc08961e40a1137ee23d971c0314079206f822674ae85f82