Malicious PDF — malware analysis report

Static analysis result for SHA-256 09188bc4d276a1be…

MALICIOUS

PDF

45.1 KB Created: 2021-06-09 07:24:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: e42ed6d3a88818af4804c23a2c6f54cb SHA-1: dba47f957a7fb745b7819706e8908bdf4b47a8fe SHA-256: 09188bc4d276a1bec23728164809457f22fb28674f664e5d508a6a56a5feba88
82 Risk Score

Malware Insights

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

The sample is a PDF document that contains a fake CAPTCHA or human verification prompt, designed to trick the user into interacting with malicious links. The embedded URI points to a URL that likely hosts a payload, suggesting a downloader or exploit delivery mechanism. The document body contains text related to game hacks, reinforcing the lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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.tw/app/431946152/roblox-isername-change-free-game-hack PDF link annotation
    • http://library.forda-mof.org/katalog/repository/minecraft-apk-114_GM479516143.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/can-you-really-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/free-roblox-avatar-ideas_GM431946152.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/hack-de-roblox-2021-diciembre_GM431946152.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/descargar-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/bloxpink-free-robux_GM431946152.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/coin-master-apk-hack-3527_GM406889139.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/get-free-robux-generator_GM431946152.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/minecraft-free-version-pc_GM479516143.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/coin-master-village-4_GM406889139.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/coin-master-hacks-for-gold-cards_GM406889139.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/how-to-get-free-minecoins-in-minecraft_GM479516143.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/free-spins-coin-master-2021-app_GM406889139.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/coin-master-free-spin-and-coins-links-2021_GM406889139.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/how-do-you-get-free-robux-without-paying_GM431946152.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/roblox-studio-free-robux_GM431946152.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/hacks-for-coin-master_GM406889139.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/free-daily-spins-from-coin-master_GM406889139.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/how-to-earn-free-stars-on-coin-master_GM406889139.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
stream_004_off000050c1.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x50C1 25928 bytes
SHA-256: 38679a4ccf1c4742eb224af0813b1b2e27449534b6b1d02a20b8e70307c6c102
font_01_sfnt_off00008c2f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8C2F 18888 bytes
SHA-256: 67916e4c0722ed7542d8350eb7c3f87fb1ba052c6e40bbb65ffbe7e9082a186e

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