Malicious PDF — malware analysis report

Static analysis result for SHA-256 e90e263bce015c0a…

MALICIOUS

PDF

30.8 KB Created: 2023-10-22 14:24:00 UTC Authoring application: Microsoft Office Word (via PDFill PDF Editor 15.0) First seen: 2026-05-10
MD5: 14a3bf6d25308c6c320bcb328e71f189 SHA-1: 8e48b75a302674c28650ce63a4a669ae9525e235 SHA-256: e90e263bce015c0ad6640d2581582aee4f940accc18d688a25d9a319e39c4110
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The sample is a PDF document that contains a critical heuristic firing for brand-impersonation credential phishing, specifically impersonating Amazon. It includes an external URI pointing to a Google Apps Script URL, which is likely used to host or redirect to a malicious landing page. The document body, though truncated, contains references to the Amazon domain and the Google Apps Script URL, reinforcing the phishing lure.

Machine Learning

  • Nyx PDF Classifier clean score 0.0008

Heuristics 3

  • Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISH
    Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://script.google.com/macros/s/AKfycbwABk1V3TSZ7dwG4lOsmbewJuEt2TExXS8cSaYuhcQwcxoffsDSJS8VLFR4h0pkJFwkUQ/exec.
  • 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://www.ascendercorp.com/ In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://script.google.com/macros/s/AKfycbwABk1V3TSZ7dwG4lOsmbewJuEt2TExXS8cSaYuhcQwcxoffsDSJS8VLFR4h0pkJFwkUQ/execPDF link annotation
    • https://www.amazon.comIn PDF document text
    • https://script.google.com/macros/s/AKfycbwABk1V3TSZ7dwG4lOsmbewJuEt2TExXS8cSaYuhcQwcxoffsDSJS8VLFR4h0pkJFwkUQ/exec)/S/URIIn PDF document text
    • https://fedoraproject.org/wiki/Licensing/LiberationFontLicenseIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000282d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x282D 21836 bytes
SHA-256: 1ce7cf05b172c795e607dfbe340ce36ea377daa745744e051576504bb311be10

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