PDF static analysis report

Static analysis result for SHA-256 663c393b386dca0f…

SUSPICIOUS

PDF

35.9 KB Created: 2021-07-03 23:44:01 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 68610a668da09e426c8457b48474e56e SHA-1: e9e8c5d5bb870ed0373ab2c3065e9886719e9508 SHA-256: 663c393b386dca0fec2411ba275f2898041c786ff7e5936d7035e357e0b021bf
42 Risk Score

Malware Insights

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

The document contains a lure related to free in-game items for Roblox, directing users to a suspicious URL. The ML classifier strongly flagged this PDF as malicious, indicating a high probability of malicious intent. The presence of multiple similar URLs suggests a campaign distributing links to potentially harmful content.

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/how-to-get-the-galaxy-hair-for-free-in-roblox-game-hack PDF link annotation
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/real-free-stuff-roblox_GM431946152.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/coin-master-heaven-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/free-tiktok-followers-instantly_GM835599320.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/how-to-hack-csgo-on-roblox_GM431946152.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/free-robux-card-codes-2021-august_GM431946152.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/minecraft-cheats-switch_GM479516143.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/coin-master-free-spins-link-2021-haktuts_GM406889139.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/c00lkidd-roblox-hack_GM431946152.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/pokemon-go-free-pokecoins-no-human-verification_GM1094591345.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/free-robux-no-verify-2021_GM431946152.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/get-free-followers-on-tiktok_GM835599320.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/guest-login-hack-roblox_GM431946152.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/roblox-new-lighting-game-free_GM431946152.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/coin-master-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/free-roblox-accounts-free-right-now_GM431946152.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/how-to-get-free-likes-on-tiktok_GM835599320.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/coin-master-spin-hack-app_GM406889139.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/free-coins-and-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/free-robuxs-works_GM431946152.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/minecraft-nintendo-switch-digital-code-free_GM479516143.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
font_00_sfnt_off000034ae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x34AE 22688 bytes
SHA-256: 897d0a8e88f60f27d37f40f936653f0901569e37c8e8f9702186ba11c00614aa
font_01_sfnt_off00006710.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6710 19200 bytes
SHA-256: c4f5460da083d06120c255056fa22fcdd2fb2227348316ba3ac3b470b628bbf1

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