Malicious PDF — malware analysis report

Static analysis result for SHA-256 f4084e6541ede536…

MALICIOUS

PDF

37.1 KB Created: 2021-05-25 10:30:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: fb0f5da6a0c618528970b72d5f5da201 SHA-1: 04501ad65f5d844d307703f8129e83e32e14c5d8 SHA-256: f4084e6541ede5361048555190fc080a86369eadf9f6877b312de97d3daaafc0
82 Risk Score

Malware Insights

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

The sample is a PDF document identified as a malicious advance-fee scam lure. It contains text and embedded URLs promoting a fake game hack, likely intended to trick users into downloading malware or engaging in fraudulent activity. The heuristic 'SE_ADVANCE_FEE_SCAM_LURE' strongly indicates a scam, and the presence of multiple suspicious URLs reinforces this assessment.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9447

Heuristics 4

  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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/479516143/free-minecraft-bedrock-game-hack
    • http://samavetpharm.com/userfiles/files/minecraft-windows-10-free-with-java_GM479516143.pdf
    • http://samavetpharm.com/userfiles/files/pubg-uc-link_GM1330123889.pdf
    • http://samavetpharm.com/userfiles/files/minecraft-java-account-free_GM479516143.pdf
    • http://samavetpharm.com/userfiles/files/master-coin-free-spin-daily_GM406889139.pdf
    • http://samavetpharm.com/userfiles/files/coin-master-gold-cards-free_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00003709.bin
0c63f9a336229459e7cf6637c6d1d0b0870037be092efc9aec450c33a29e6605		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3709 25284 bytes
font_01_sfnt_off00006ffd.bin
d34bffa2112548f8729f10b9022dbaea9618b038b2dadf4195d892bf0ac95b27		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6FFD 18268 bytes

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