PDF static analysis report

Static analysis result for SHA-256 768493f98ae0081f…

SUSPICIOUS

PDF

70.3 KB Created: 2019-02-25 05:26:09 -08:00 Authoring application: Microsoft® Word for Office 365 First seen: 2020-09-15
MD5: 9a4d383d15406dda0a1383b804c8a8a6 SHA-1: 4dbf109bd9274c0fa2277494046e7d18bc8efcd6 SHA-256: 768493f98ae0081f69b741a07f9e45397ebddd592aa3062ee13c8e0297aecf10
32 Risk Score

Malware Insights

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

The PDF document contains heuristics indicating it impersonates a cloud document lure and features a visual download button. The presence of an external URI pointing to 'vanaooirein8afuaizoz.appspot.com/ddiu/' suggests an attempt to download a secondary payload. The document body was unreadable, but the heuristics strongly suggest a phishing or malware delivery attempt.

Machine Learning

  • Nyx PDF Classifier clean score 0.0008

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 https://vanaooirein8afuaizoz.appspot.com/ddiu/ 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://purl.org/dc/elements/1.1/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/fonts/MicrosoftIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c910.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC910 30620 bytes
SHA-256: 94719e61351d5fdb1da73209b4762bcfbf2a58ff3fb4518d385061384379ea9a

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