Malicious PDF — malware analysis report

Static analysis result for SHA-256 486084796494a396…

MALICIOUS

PDF

39.8 KB Authoring application: ImageMagick
MD5: d0da5de49f559a2c2f4ba331fb81672b SHA-1: 7fbea0c0c3a0971be8cb2c581f4fffe28a0235d4 SHA-256: 486084796494a3969042a7300ffb321d9ec04f00c03815b545ca7a341b699e4c
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 multiple external URIs pointing to other PDF files, suggesting a multi-stage download or phishing campaign. The document body, though heavily obfuscated, mentions 'Estrada doctrine pdf' and prompts the user about an outdated Internet Explorer, which is a common social engineering tactic.

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://100shadesofgreymovie.com/uploads/1/3/0/6/130620525/ganalovixejaju.pdf
    • http://congresoestetica.com/uploads/1/3/0/5/130540021/dbf5bff99.pdf
    • http://myboathaus.com/uploads/1/3/0/6/130604788/4385caf6d59.pdf
    • https://gufususetawopo.weebly.com/uploads/1/3/0/2/130270938/lizoz-mabewapafufuza-tijetuj.pdf
    • http://nxlevelphysicaltherapy.com/uploads/1/3/0/6/130639809/lezikezud_banazixen_pazezemofi_xorozugi.pdf
    • http://mikeintucson.com/uploads/1/3/0/6/130639233/130639233.html#estrada+doctrine+pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000010f3.bin
6b32f254d295c249ef6442dbdcab79506f8cd98a029f9a5acf7055e434b2217f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10F3 8344 bytes
font_01_sfnt_off0000555c.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x555C 16036 bytes

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