PDF static analysis report

Static analysis result for SHA-256 f6621e8c4d9eec9e…

SUSPICIOUS

PDF

70.7 KB First seen: 2026-05-04
MD5: 50a1edd16c6e45534a4ee1cf5e0f2b2e SHA-1: b7a9d99c1567e435963b3bb994b746d58e5bdbba SHA-256: f6621e8c4d9eec9e71940b78635c62fe577bf150a664633518aeda58e5b479e8
32 Risk Score

Malware Insights

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

The PDF document uses a cloud document impersonation lure, suggesting it's designed to trick users into accessing external content. A heuristic also identified a visual download button, reinforcing the idea of a user-initiated download. The embedded URL 'http://sehai.info/register/drrvdata.htm' is the likely destination for this malicious download, indicating a phishing or social engineering attack pattern. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier clean score 0.0013

Heuristics 4

  • Cloud document impersonation lure medium SE_CLOUD_DOC_LURE
    Document impersonates a cloud file-sharing service such as SharePoint, OneDrive, Google Drive, Dropbox, Box, or Microsoft 365 and asks the user to open, verify, or access a shared document
  • 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://sehai.info/register/drrvdata.htm PDF link annotation
    • 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://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/sType/ResourceEvent#In 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
font_00_cff_off000033e7.bin pdf-font-stream PDF embedded font (cff) at offset 0x33E7 2314 bytes
SHA-256: cdfa92fe8747446759c77446ebf46cc71d3d7ffb214248a1b762399993652c3b
font_01_cff_off00003dbf.bin pdf-font-stream PDF embedded font (cff) at offset 0x3DBF 7359 bytes
SHA-256: 4676f7e24d9ea2b868992c17b0f6c1c060d475861489c1947f9ffc5bb172b67d

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