PDF static analysis report

Static analysis result for SHA-256 54521e3cfaa704e0…

SUSPICIOUS

PDF

42.8 KB Created: 2021-05-13 09:58:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: ff0c705b3db136c7634136d2f51a3453 SHA-1: d7b6f1f4c8f046e45e6e8c52b20bfda9731f0e1a SHA-256: 54521e3cfaa704e0e0dfa53acf5396436b027b644768b11ae88f8aa65a7c391c
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links and a call-to-action phrase, strongly suggesting a lure for users to click through to potentially malicious websites. The ML classifier also flagged this PDF with high confidence. The primary URL points to a site offering 'Coin Master Free Spins Link Without Human Verification', a common theme in phishing and scam campaigns.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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 https://netcdn.xyz/app/406889139/coin-master-free-spins-link-without-human-verification-game-hack PDF link annotation
    • http://repository.poltekkesjakarta3.ac.id/repository/today-free-spin-coin-master_GM406889139.pdfIn PDF document text
    • http://repository.poltekkesjakarta3.ac.id/repository/coin-master-free-spins-link-download-apk_GM406889139.pdfIn PDF document text
    • http://repository.poltekkesjakarta3.ac.id/repository/game-give-free-robux_GM431946152.pdfIn PDF document text
    • http://repository.poltekkesjakarta3.ac.id/repository/get-me-robux-for-free_GM431946152.pdfIn PDF document text
    • http://repository.poltekkesjakarta3.ac.id/repository/free-robux-no-verification-2021-android_GM431946152.pdfIn PDF document text
    • http://repository.poltekkesjakarta3.ac.id/repository/get-roebucks-com_GM431946152.pdfIn PDF document text
    • http://repository.poltekkesjakarta3.ac.id/repository/coin-master-hack-spins-and-coins-unlimited-free-download_GM406889139.pdfIn PDF document text
    • http://repository.poltekkesjakarta3.ac.id/repository/earn-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://repository.poltekkesjakarta3.ac.id/repository/how-to-hack-coins-in-mcpe-master_GM406889139.pdfIn PDF document text
    • http://repository.poltekkesjakarta3.ac.id/repository/to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://repository.poltekkesjakarta3.ac.id/repository/coin-master-hack-pc-free_GM406889139.pdfIn PDF document text
    • http://repository.poltekkesjakarta3.ac.id/repository/how-to-hack-coin-master-pc_GM406889139.pdfIn PDF document text
    • http://repository.poltekkesjakarta3.ac.id/repository/easy-roblox-today_GM431946152.pdfIn PDF document text
    • http://repository.poltekkesjakarta3.ac.id/repository/daily-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://repository.poltekkesjakarta3.ac.id/repository/how-to-o-get-free-coin-master-spins_GM406889139.pdfIn PDF document text
    • http://repository.poltekkesjakarta3.ac.id/repository/free-spin-link-of-coin-master_GM406889139.pdfIn PDF document text
    • http://repository.poltekkesjakarta3.ac.id/repository/how-to-get-minecraft-for-free-on-your-phone_GM479516143.pdfIn PDF document text
    • http://repository.poltekkesjakarta3.ac.id/repository/minecraft-hacked-client-download_GM479516143.pdfIn PDF document text
    • http://repository.poltekkesjakarta3.ac.id/repository/coinmaster-twitter_GM406889139.pdfIn PDF document text
    • http://repository.poltekkesjakarta3.ac.id/repository/how-to-get-minecraft-windows-10-for-free-with-java_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
stream_003_off00004ac4.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4AC4 24704 bytes
SHA-256: a208b3ec2d5d84b4cb0b1194e382eea04e0f14132e36c7f429fafedfadc7a27d
font_01_sfnt_off000082f5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x82F5 18952 bytes
SHA-256: 5bef7578775e519c2fb45d4e850344bcdd8c4008e312a1e50628f25058b8457a

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