Malicious PDF — malware analysis report

Static analysis result for SHA-256 f70e2dc281d5774c…

MALICIOUS

PDF

44.6 KB Authoring application: LibreOffice
MD5: f9013bb4390ae5adc9be96cf30c7a120 SHA-1: 65c729d3faf51dd18ec45487902264f882cab2a0 SHA-256: f70e2dc281d5774c824a3c5fcff1a085f5dc638f371d7a5caefd5383d7bc86db
92 Risk Score

Malware Insights

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

The file is a PDF document that contains multiple embedded URLs pointing to other PDF files. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier strongly indicate malicious intent, likely for phishing or malware distribution. The presence of external URIs suggests a delivery mechanism for further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://nawahte.com/uploads/1/3/0/6/130639975/cfe4b77.pdf
    • http://discoverhomestores.com/uploads/1/3/0/6/130621072/bdcd849.pdf
    • http://kunalsen.org.uk/uploads/1/3/0/4/130436154/vezubumona.pdf
    • http://djspizza1.com/uploads/1/3/0/5/130551659/130551659.html#scooby+doo+big+top+cast

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000106a.bin
38e744684974daf0377809d3944807cdf4e73c829c51992cb04ebd238dc2caf9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x106A 10328 bytes
font_01_sfnt_off00006f1d.bin
0d28b9f36f9be9183502af6dad1f04b900fafa785682b4235f8e7fa29b46435e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F1D 4580 bytes

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