Malicious PDF — malware analysis report

Static analysis result for SHA-256 b626462e618a1f82…

MALICIOUS

PDF

49.1 KB Created: 2021-05-14 03:59:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: ebd65fe698ad3a67439714a166c1428a SHA-1: 97bfa28cf1a4eac0a9c16ea3d2cc69c9df1789ca SHA-256: b626462e618a1f82b8518ebbee293ad5a90b8347f2508ff4a5bf012feedbb137
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The document displays a fake CAPTCHA or human verification prompt, a common lure to trick users into downloading malicious content. It contains an external URI pointing to a download link for a 'hack tool', suggesting the document's purpose is to facilitate the download of malware. No scripts were extracted, limiting further analysis of the execution chain.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8642

Heuristics 4

  • Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
    Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
  • 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.xyz/app/406889139/download-coin-master-hack-tool-v1-9-game-hack PDF link annotation
    • http://jandimotors.co.uk/images/roblox-hack-client_GM431946152.pdfIn PDF document text
    • http://jandimotors.co.uk/images/coin-master-daily-free-spins-hack_GM406889139.pdfIn PDF document text
    • http://jandimotors.co.uk/images/coin-master-deals_GM406889139.pdfIn PDF document text
    • http://jandimotors.co.uk/images/what-games-give-you-robux_GM431946152.pdfIn PDF document text
    • http://jandimotors.co.uk/images/robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://jandimotors.co.uk/images/minecraft-free-download-apk-softonic_GM479516143.pdfIn PDF document text
    • http://jandimotors.co.uk/images/free-robux-codes-no-human-verification_GM431946152.pdfIn PDF document text
    • http://jandimotors.co.uk/images/how-many-levels-are-in-coin-master_GM406889139.pdfIn PDF document text
    • http://jandimotors.co.uk/images/create-minecraft-server-free_GM479516143.pdfIn PDF document text
    • http://jandimotors.co.uk/images/roblox-svg-free_GM431946152.pdfIn PDF document text
    • http://jandimotors.co.uk/images/how-to-get-free-robux-without-downloading-apps_GM431946152.pdfIn PDF document text
    • http://jandimotors.co.uk/images/legit-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://jandimotors.co.uk/images/spin-coin_GM406889139.pdfIn PDF document text
    • http://jandimotors.co.uk/images/roblox-free-printables_GM431946152.pdfIn PDF document text
    • http://jandimotors.co.uk/images/how-to-download-minecraft-for-free-ios_GM479516143.pdfIn PDF document text
    • http://jandimotors.co.uk/images/freegames911com-coinmastertipsandcheats2021freecoinsandspins_GM406889139.pdfIn PDF document text
    • http://jandimotors.co.uk/images/coin-master-free-spins-link-june-2021_GM406889139.pdfIn PDF document text
    • http://jandimotors.co.uk/images/get-free-spins-from-coin-master_GM406889139.pdfIn PDF document text
    • http://jandimotors.co.uk/images/how-to-earn-free-robux_GM431946152.pdfIn PDF document text
    • http://jandimotors.co.uk/images/coin-master-blogspot_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004a4d.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A4D 25564 bytes
SHA-256: ff5cf417458c0f0b53db3502f119d00c1ef75a8daa372eaea00a0ce1eb0346d4
font_01_sfnt_off000083e6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x83E6 3724 bytes
SHA-256: 416e8f5ef498585d39669eae9201a929a8e1db201060a314cd28168c06a766d1
font_02_sfnt_off0000910b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x910B 18700 bytes
SHA-256: d3737c6cf9fd63f63d0fb032ca99fcdeafd417f1b9a8644db5f60105982db781
font_03_sfnt_off0000b487.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB487 3264 bytes
SHA-256: e32c06502c11b52acb5e814091c5fdbffd1e2a904ac7a9cfb8b5b180bd139088

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