Malicious PDF — malware analysis report

Static analysis result for SHA-256 7524e1395f56fd3d…

MALICIOUS

PDF

35.0 KB Authoring application: QPDF
MD5: 336adf15df26d6e2d9cc67d8e21f62ed SHA-1: 464c42e3e45d505bdcde15070b55c2e157837a3e SHA-256: 7524e1395f56fd3d8d7387336cb68624c0e651e4b95d5b156a0e50821248cb6d
94 Risk Score

Malware Insights

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

The PDF contains multiple URLs pointing to other PDF files, suggesting it acts as a lure to download further malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution. The embedded URLs are the primary indicators of compromise, facilitating the download of additional malicious payloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

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://mswilliamsonline.com/uploads/1/3/0/5/130588905/menud.pdf
    • http://cadescovejunkies.com/uploads/1/3/0/2/130289189/pibinujuwimu.pdf
    • http://wichitajoyorganics.com/uploads/1/3/0/2/130287289/4720571.pdf
    • http://mindforyou.org/uploads/1/3/0/2/130272509/130272509.html#web+design+introductory+6th+edition+pdf
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00000faa.bin
300911c55480fa8ecb10a5008595101a708bc40e4b9ae2fe86e53e09f9567587		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFAA 8900 bytes
font_01_sfnt_off00003fb1.bin
87ed31f82be3fa0c0e46b7ffb9ba751539f06e95c6092eaf4c8978e6ab5568e4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3FB1 16752 bytes

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