Malicious PDF — malware analysis report

Static analysis result for SHA-256 7b69044436fb638e…

MALICIOUS

PDF

38.1 KB Authoring application: PDF Studio
MD5: 9fc82f9ee15c080042961d303a6e3858 SHA-1: 0ab9331c7c8741d2e84f820c41a690e836136c6d SHA-256: 7b69044436fb638e8c3088035ba27ee80ffcc081e8da6a2c2fa05d037314d288
92 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. The document body, though partially corrupted, mentions 'Bi rads category 4 biopsy', suggesting a lure to trick users into downloading further malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier strongly indicate malicious intent, likely phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://napervillespa.net/uploads/1/3/0/7/130775366/5946617.pdf
    • http://vegetarianspacecadet.com/uploads/1/3/0/2/130288427/zemoxamugivuruxixise.pdf
    • http://e2biopharma.com/uploads/1/3/0/4/130489226/mavef.pdf
    • http://ciarawiegers.com/uploads/1/3/0/5/130539053/441e72250.pdf
    • http://bindiyaaravandekar.com/uploads/1/3/0/3/130379126/100388.pdf
    • http://clarazul.com/uploads/1/3/0/6/130604148/130604148.html#bi+rads+category+4+biopsy

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00000ffa.bin
cb81d34e18a7a9fbc89595a5b45219f4cabc54d983261f76986a8a1af93fafe3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFFA 7552 bytes
font_01_sfnt_off00004da4.bin
5d7ebd720715cd86529581f1d40cc643f68465477bd430d4be5ff736bc95f798		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4DA4 16268 bytes

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