Malicious PDF — malware analysis report

Static analysis result for SHA-256 57839b265a7d2c27…

MALICIOUS

PDF

34.4 KB Authoring application: Pdftk First seen: 2026-05-08
MD5: 9508f80c9ed7d07c821deba289047d7e SHA-1: efeea915b15270eda067347c416c7de2ca9b3601 SHA-256: 57839b265a7d2c2702226c4d8f178f36e676a2091cbb202c92d062d7a796760f
94 Risk Score

Malware Insights

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

The file was detected as malicious by ML classifiers and ClamAV, specifically identified as a phishing attempt. It contains multiple embedded URLs that likely lead to further malicious content, such as other PDFs. The presence of these links suggests an attempt to trick the user into downloading additional malicious files, aligning with a phishing or social engineering attack vector.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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 http://redwoodcoastaccounting.com/uploads/1/3/0/5/130539341/tudifonagusokinij.pdf PDF link annotation
    • http://jtslawncare.org/uploads/1/3/0/5/130551597/b846284e698103d.pdfIn PDF document text
    • https://juwogoluzena.weebly.com/uploads/1/3/0/3/130379590/9547813.pdfIn PDF document text
    • http://beraginuta.syndicat.club/uploads/2020/01/28/6184807.pdfIn PDF document text
    • http://ledseven.ru/uploads/2020/01/29/4205842.pdfIn PDF document text
    • http://podollangpis.devsite-1.com/uploads/1/3/0/6/130639962/130639962.html#pre+eclampsia+acog+2019In PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011ef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11EF 8332 bytes
SHA-256: e50210c02dbef97d1f4af898dd80a396a3d71faf7b3d59564a2ba28ab8071e6d