Malicious PDF — malware analysis report

Static analysis result for SHA-256 f47fec551a1e2020…

MALICIOUS

PDF

114.7 KB Created: 2022-05-27 14:03:35 Authoring application: Alligator Hunting In Texas Guides cphv (via FPDF 1.82) First seen: 2022-07-15
MD5: 8c2fd5ec744556a09b93391d304da740 SHA-1: 24622a119c6b7f3ce4e96a46feee67602432dfce SHA-256: f47fec551a1e2020c40beb44658de4da72ab2c764ce67fb194667ec60c82cd6b
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF document contains multiple embedded and invisible links that redirect to a suspicious domain, likely to deliver a malicious payload. The heuristic 'PDF_REPEATED_PAYLOAD_LINK_LURE' indicates that these links are designed to trick the user into downloading a file. The presence of multiple URLs suggests a phishing or credential harvesting attempt.

Machine Learning

  • Nyx PDF Classifier clean score 0.0007

Heuristics 2

  • Invisible/repeated PDF links deliver payload file critical PDF_REPEATED_PAYLOAD_LINK_LURE
    PDF uses invisible link annotations and points to a direct payload download. Repeated invisible links or lure-like payload names such as document/unlock/verify archives match malware-delivery PDF carriers where the page is only a prompt and the real payload is fetched from the linked URL.
  • 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://neuzeitschmidt.site/Alligator-Hunting-In-Texas-Guides/pdf/www.kelleystc.com
    • http://neuzeitschmidt.site/Alligator-Hunting-In-Texas-Guides/doc/www.kelleystc.com
    • https://www.kelleystc.com/wp-content/uploads/formidable/5/affidavit-of-loss-lto-official-receipt.pdf
    • https://www.kelleystc.com/wp-content/uploads/formidable/5/licence-to-drill-louisiana.pdf
    • https://www.kelleystc.com/wp-content/uploads/formidable/5/mumbai-to-abu-dhabi-flight-schedule.pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_020_off0001bea3.bin
43b13684882d332187dbe2691d5e4f64c33a98e381a4dc2316374ba1b923b47c		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x1BEA3 76950 bytes

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