PDF static analysis report

Static analysis result for SHA-256 42b2aeca5b0dd59e…

SUSPICIOUS

PDF

36.0 KB Created: 2021-07-29 14:01:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 01f85905edc1db9552f79203826d7f41 SHA-1: d94baa7ccb7904c05fb5b36e59e140a7ac91b048 SHA-256: 42b2aeca5b0dd59e29adb85a9a419084ef3f50bb1db066be5a88bed6aa93bff6
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded URLs and a visual download button lure, strongly suggesting a social engineering attempt. The primary URL, 'http://netcdn.tw/app/406889139/free-spins-coins-coin-master-game-hack', points to a resource related to 'Coin Master' game hacks. The ML classifier also flagged this PDF as malicious with high confidence. While no scripts were explicitly extracted, the PDF structure and embedded links indicate a likely attempt to redirect users to malicious content or downloads.

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 http://netcdn.tw/app/406889139/free-spins-coins-coin-master-game-hack PDF link annotation
    • http://greenoase.be/images/how-to-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://greenoase.be/images/minecraft-free-download-unblocked_GM479516143.pdfIn PDF document text
    • http://greenoase.be/images/free-tiktok-likes-and-followers_GM835599320.pdfIn PDF document text
    • http://greenoase.be/images/free-robux-working_GM431946152.pdfIn PDF document text
    • http://greenoase.be/images/coin-master-daily-free-spins-blogspot_GM406889139.pdfIn PDF document text
    • http://greenoase.be/images/free-robux-no-human-verification-no-survey_GM431946152.pdfIn PDF document text
    • http://greenoase.be/images/free-fans-on-tiktok_GM835599320.pdfIn PDF document text
    • http://greenoase.be/images/free-robux-easy_GM431946152.pdfIn PDF document text
    • http://greenoase.be/images/best-minecraft-hacked-client_GM479516143.pdfIn PDF document text
    • http://greenoase.be/images/free-roblox-accounts-with-robux-that-work-2021_GM431946152.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_002_off000034f8.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x34F8 24080 bytes
SHA-256: 58c37fec8cea5ce21a414d7238ff46700da8e95953ba2e2ca4b3fd224cc23258
font_01_sfnt_off00006c20.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C20 17884 bytes
SHA-256: 18816d8d761583b578c9833b8849e2eeaed27ef2f16a893d2032c58e3f8148b6

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