Malicious PDF — malware analysis report

Static analysis result for SHA-256 5c3bf3216f828812…

MALICIOUS

PDF

49.6 KB Authoring application: PDFBox
MD5: 7bdacdd575cff7a3a7fb69bf1ec95217 SHA-1: dd5a705507a7a1acf774e744ff6352a5305c735a SHA-256: 5c3bf3216f8288123bb9bd1f9eedd7b57c213d6389269beed342d95ef23352fa
94 Risk Score

Malware Insights

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

The ClamAV detection and ML classifier strongly indicate malicious intent. The PDF contains multiple embedded URLs that likely lead to the download of further malicious content, such as the PDF referenced in the PDF_URI heuristic. The document body, though heavily obfuscated, contains references to URLs that are consistent with a phishing or malware distribution lure.

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://soulfulexcursions.com/uploads/1/3/0/5/130539414/c604e.pdf
    • http://mybrokersells.net/uploads/1/3/0/4/130478551/ditesatodurevelinuf.pdf
    • http://zaraservice.com/uploads/1/3/0/5/130588729/1488748.pdf
    • http://beingself-centered.com/uploads/1/3/0/2/130291485/130291485.html#dumbbell+rear+delt+raise+form
    • 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_off00001008.bin
44337e1bfd754c12a0545b02fe0fb43753d070bbe3a24a361b117b0b020b5b20		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1008 9004 bytes
font_01_sfnt_off00007b90.bin
75ad5726b260fca9c3b66ca94450239fbc156c1891091fcfcfab965e4b2051b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B90 16376 bytes

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