Malicious PDF — malware analysis report

Static analysis result for SHA-256 605c11d472b7525d…

MALICIOUS

PDF

61.1 KB Created: 2021-04-07 00:53:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ad3ac419e5f4acf31ec7277cc44154a1 SHA-1: 5713b456f32719351fb341bb2b14acb0ce9b4924 SHA-256: 605c11d472b7525d3f55d464d10f9a76e13094d338bf60d1a85502f851a52583
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is a PDF that contains embedded URLs, one of which points to a potentially malicious PDF file. The ML classifier and ClamAV detection strongly indicate maliciousness. The presence of embedded URLs suggests a phishing or social engineering attempt to trick users into downloading further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9571

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://portal-mysigma.com/system/files/student-proof/woximinel.pdf
    • https://www.natsihwa.org.au/sites/default/files/webform/doxuwekuwazomiloxeri.pdf
    • https://www.newburghgroup.com/sites/default/files/webform/resumes/woxofenobe.pdf
    • https://natsihwa.org.au/sites/default/files/webform/mufuwujaxerafesa.pdf
    • http://www.grotekeukens.be/sites/default/files/webform/gmawards2018/jebumimebugamoto.pdf
    • https://www.mothercare.ro/sites/default/files/webform/resumes/tizagoge.pdf
    • http://www.muttypawsacademy.com/sites/default/files/webform/vaccines/72246142748.pdf
    • https://www.telluridescience.org/sites/default/files/tstc-applications/30232074114.pdf
    • http://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=bullying+social+story+pdf
    • https://ec.europa.eu/eip/agriculture/sites/default/files/webform/72323592377.pdf
    • https://lib.asu.edu/system/files/webform/midari.pdf
    • https://www.healthdata.org/sites/default/files/resumes/muvebijamalixodimobowase.pdf
    • https://printandmail.princeton.edu/system/files/webform/83401752781.pdf