Malicious PDF — malware analysis report

Static analysis result for SHA-256 da80d7e5943c373a…

MALICIOUS

PDF

39.9 KB Authoring application: LibreOffice Draw
MD5: 26dbe559c9e34f00b3a8b2780595f65d SHA-1: 902bac89c2313478b2c86d0fb1253fae9910c068 SHA-256: da80d7e5943c373afc9f21c82e7bcf40797ddcd1f2ab0a39cfc6eec6d94f5910
94 Risk Score

Malware Insights

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

The file is a PDF document that contains embedded URLs pointing to other PDF files, suggesting a phishing or malware distribution campaign. The ClamAV detection and ML classifier strongly indicate malicious intent. The document body, though heavily obfuscated, begins with text related to medical treatments, likely serving as a lure to encourage users to interact with the embedded malicious links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9984

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://msjohnsonscienceclass.com/uploads/1/3/0/3/130379315/bawofu.pdf
    • http://newimageroof.com/uploads/1/3/0/5/130539329/2980946.pdf
    • http://tomlinsonoutdoors.com/uploads/1/3/0/6/130639074/967906.pdf
    • http://newlifeeastla.com/uploads/1/3/0/5/130542935/jazofewi_meketipaxopuzif.pdf
    • http://stunningsphynxkitten.com/uploads/1/3/0/4/130475883/6687806.pdf
    • http://adoptme.info/uploads/1/3/0/4/130436020/130436020.html#endometrial+ablation+with+large+fibroids

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004b83.bin
cb4718997f627a6c055201aa19382cd580f31ea5d72e2365bf34fb3e5295ad86		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4B83 7844 bytes

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