Malicious PDF — malware analysis report

Static analysis result for SHA-256 6be3eb7757b23dd2…

MALICIOUS

PDF

47.6 KB Authoring application: OpenOffice.org
MD5: 5af833df6a93b3a41c57410cc5f98456 SHA-1: 287b6521ee5dcaf80f897b09c03ced4318fd2581 SHA-256: 6be3eb7757b23dd21cab49d6f9df850d723e94c12596b6f4061d324163550b5e
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The ClamAV detection and ML classifier strongly indicate maliciousness. The PDF contains multiple embedded URLs pointing to other PDF files, suggesting a phishing or malware distribution scheme. While no scripts were extracted, the presence of external links and the ClamAV signature 'Pdf.Phishing.TtraffRobotInstall' point towards a phishing attack vector.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://nicolemfraley.com/uploads/1/3/0/5/130551770/62c14.pdf
    • http://p3-advisors.com/uploads/1/3/0/6/130621784/jifitadulomu_jasakibujinoziv_febiwubi.pdf
    • http://cleverchange.org/uploads/1/3/0/4/130488114/fuletezevevefok.pdf
    • http://addisonbeaux.com/uploads/1/3/0/6/130605501/b70d15.pdf
    • http://riversidecountyhistory.org/uploads/1/3/0/7/130776073/130776073.html#kenmore+coldspot+model+106+user+manual
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License
    • https://fedoraproject.org/wiki/Licensing/LiberationFontLicense

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001226.bin
a48908404b4be486fcbe78931358a2f2795f64686b8728ddd89e5ab076e9172c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1226 8144 bytes
font_01_sfnt_off00006bc7.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6BC7 16036 bytes
font_02_sfnt_off00007fde.bin
78116880e9c902c31767bfa12a9ff84ada309181a52ab1aa29cdf6fbfe115b45		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7FDE 2600 bytes

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