Malicious PDF — malware analysis report

Static analysis result for SHA-256 42b732b80c7cf16d…

MALICIOUS

PDF

31.1 KB Authoring application: GIMP
MD5: fcd196a548d854682d511a383263d2cf SHA-1: 4bf0684ef890bacd3950e81608744592f3bd7048 SHA-256: 42b732b80c7cf16d8410954330c017e57d8548fc07736617764709e964869b74
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The ClamAV detection and ML classifier strongly indicate malicious intent. The PDF contains embedded URIs pointing to other PDF files, suggesting a phishing or malware distribution scheme. The document body, though heavily obfuscated, contains references to URLs that are likely part of the lure. The presence of external URIs points to a spearphishing attachment attack pattern.

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://lakeridgedentalclinic.com/uploads/1/3/0/5/130543156/wutaraxonewabesew.pdf
    • http://amusementmgtshirts.com/uploads/1/3/0/5/130551418/773851350cd6728.pdf
    • http://bodyworkbybarb.com/uploads/1/3/0/4/130476917/70b173.pdf
    • http://theproccast.com/uploads/1/3/0/4/130478160/6381033.pdf
    • http://actionhomerepair.com/uploads/1/3/0/5/130542996/1ea6c4cc.pdf
    • http://drpatty.net/uploads/1/3/0/6/130604543/130604543.html#amd+phenom+9550

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001053.bin
fe87fc4470faba0c9d533f362c2e0bd0ee73506912af80f83ef21b4fb735a32f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1053 8360 bytes

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