Malicious PDF — malware analysis report

Static analysis result for SHA-256 7eb27870efa9a147…

MALICIOUS

PDF

49.0 KB Created: 2021-06-04 09:13:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: fd983b05311424b53467c1a27eb3d772 SHA-1: db124dfbc762efe17138742de6ab22754aa057e6 SHA-256: 7eb27870efa9a147b7789854beab1dc46c4805f0a1bea5ddd6b66dc1b3fd1843
82 Risk Score

Malware Insights

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

This PDF document, generated by wkhtmltopdf, contains multiple embedded URLs and heuristics indicating malicious intent. The presence of a 'ML_NYX_PDF_MALICIOUS' firing and a 'SE_MFA_LURE' heuristic suggests the document is designed to trick users into providing sensitive information or downloading malware, potentially disguised as game-related content. The embedded URL 'https://netcdn.online/app/1330123889/pubg-uc-center-game-hack' is a strong indicator of a download lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9796

Heuristics 4

  • MFA / one-time-code harvesting lure high SE_MFA_LURE
    Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
  • 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.online/app/1330123889/pubg-uc-center-game-hack PDF link annotation
    • http://digilibfisip.unla.ac.id/repository/play-minecraft-online-free_GM479516143.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/boost9-com-roblox-hack_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/android-coin-master-3433-apk-hack_GM406889139.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/what-games-on-roblox-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/free-robux-no-human-verification-no-survey_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/how-to-get-free-stuff-on-roblox_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/free-robux-without-verify_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/free-spin-coin-master-link-2021_GM406889139.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/youtube-how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/free-coins--spins-coin-master_GM406889139.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/free-robux-generator-2021-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/is-minecraft-dungeons-free_GM479516143.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/websites-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/free-coins-and-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/minecraft-server-hacks_GM479516143.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/free-robux-not-a-scam_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/how-to-get-roebucks_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/free-robux-com-roblox_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/free-robux-place_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/rbxcity-free-robux_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00004d44.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4D44 30432 bytes
SHA-256: 95cda88fed727bd288cdf09c9f02703e92bcfb877caab8ca0b4d70e9aa1a22fd
font_01_sfnt_off0000941c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x941C 2816 bytes
SHA-256: eaaa57724c6c9fa744849bad159cc913dd8c615188bac3ab9dd7265dd83d9e73
font_02_sfnt_off00009dc6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9DC6 18000 bytes
SHA-256: d669a1ebee567c2b5b4c4cab2ff67d35b31d9c7f91042067a085d385ca3130f2

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