PDF static analysis report

Static analysis result for SHA-256 449f254ede8f85b6…

SUSPICIOUS

PDF

33.0 KB Created: 2021-07-29 20:27:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: e943183e7c2a07f8e02ab0e7de318866 SHA-1: 2eed8d6cede756b3219492c159258c3236ea602b SHA-256: 449f254ede8f85b64fb3aaf794aae836ddcbf59c1fee90b0c3da07e6643564c1
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and a prominent call-to-action for a "Coin Master Generator". The primary URL, http://netcdn.tw/app/406889139/free-spin-in-coin-master-game-hack, is likely a lure for a scam or to download a secondary payload. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9900

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-spin-in-coin-master-game-hack PDF link annotation
    • https://kierowcyhgv.uk/images/tiktok-followers-for-free_GM835599320.pdfIn PDF document text
    • https://kierowcyhgv.uk/images/minecraft-free-download-mac_GM479516143.pdfIn PDF document text
    • https://kierowcyhgv.uk/images/free-spins-and-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://kierowcyhgv.uk/images/free-robux-websites-2021_GM431946152.pdfIn PDF document text
    • https://kierowcyhgv.uk/images/how-do-u-get-free-robux_GM431946152.pdfIn PDF document text
    • https://kierowcyhgv.uk/images/minecraft-story-mode-free_GM479516143.pdfIn PDF document text
    • https://kierowcyhgv.uk/images/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • https://kierowcyhgv.uk/images/download-minecraft-free-hiapphere_GM479516143.pdfIn PDF document text
    • https://kierowcyhgv.uk/images/how-to-free-robux_GM431946152.pdfIn PDF document text
    • https://kierowcyhgv.uk/images/how-to-hack-roblox-accounts-2021-easy_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_off00002d6b.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2D6B 22664 bytes
SHA-256: 0a99617f969a09636c9bab328f2795af3212b3bfc1c4a0705c10864f1e569c67
font_01_sfnt_off00006026.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6026 17884 bytes
SHA-256: d73da77b5a1bbc7a2b5b207bcae6a8efd78ccb1f3c8a04009520d94079973ddb

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