Malicious PDF — malware analysis report

Static analysis result for SHA-256 d4292bdc44b5690e…

MALICIOUS

PDF

137.9 KB Created: 2018-03-20 04:47:27 +01:00 Authoring application: RAD PDF (via RAD PDF 3.4.2.0 - http://www.radpdf.com) First seen: 2019-03-18
MD5: 1b85e02e69abae4bfe89ef1fcdab1bc3 SHA-1: 12baa600b16c977e141ef057e9cc6275d5649d93 SHA-256: d4292bdc44b5690eb99c3a1839b62a276d5bdfc5ce89f989ced0557313365f99
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as a malicious PDF dropper by ClamAV. It contains multiple embedded URLs that lead to suspicious domains, likely intended to host malicious content or phishing pages. The PDF structure and embedded artifacts suggest an attempt to exploit vulnerabilities or deliver a secondary payload, aligning with common dropper functionalities.

Machine Learning

  • Nyx PDF Classifier clean score 0.0749

Heuristics 3

  • ClamAV: Pdf.Dropper.Agent-7144424-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7144424-0
  • 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://marksternlawfirm.com/*%5E!%23!%25%24%5E%25 PDF link annotation
    • https://thebradlawfirm.com/!%40%23%24%25%5E%26*In PDF document text
    • https://thebrookslawfirm.org/%26%5E%25%24%25%24%23In PDF document text
    • http://www.radpdf.comIn PDF document text
    • http://www.radpdf.com)/Creator(RADIn PDF document text
    • http://www.dynaforms.comIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://www.microsoft.com/typography/ctfontshttp://fontfabrik.comYouIn PDF document text
    • http://www.microsoft.com/typography/fonts/default.aspxIn PDF document text
    • http://crl.microsoft.com/pki/crl/products/MicrosoftTimeStampPCA.crl0XIn PDF document text
    • http://www.microsoft.com/pki/certs/MicrosoftTimeStampPCA.crt0In PDF document text
    • http://crl.microsoft.com/pki/crl/products/MicCodSigPCA_08-31-2010.crl0ZIn PDF document text
    • http://www.microsoft.com/pki/certs/MicCodSigPCA_08-31-2010.crt0In PDF document text
    • http://crl.microsoft.com/pki/crl/products/microsoftrootcert.crl0TIn PDF document text
    • http://www.microsoft.com/pki/certs/MicrosoftRootCert.crt0In PDF document text
    • http://www.microsoft.com/Typography/0In PDF document text
    • http://www.microsoft.com/typography/ctfontshttp://www.tiro.comYouIn PDF document text
    • http://www.microsoft.com/typographyIn 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_off0000ade3.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0xADE3 173484 bytes
SHA-256: f3bf9704ae1a1b01d6eaba8c4203245dfddd8957cdd25f52cca46afe823164ba
font_00_sfnt_off000008e4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E4 108556 bytes
SHA-256: 560d598b7556a0dc4c6b7528c0b09b27df0e7d3cf5811c201cc75f52982c9090

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