Malicious PDF — malware analysis report

Static analysis result for SHA-256 b48e70d6e5c1d721…

MALICIOUS

PDF

36.6 KB Created: 2021-06-04 13:35:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: d86f53fe12ca013288ceddd66810eccb SHA-1: c2cdd07447f94454fa0ae8f89bcf2449996b20b7 SHA-256: b48e70d6e5c1d72167f09138820cdb84c49ed57334ed3839bfc784e25ee501de
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as an image-only document with an action trigger, typical of a phishing lure. It contains a single external URI pointing to 'synerhu.ru', which is likely the destination for the malicious click. The ML classifier and ClamAV also flagged this PDF as malicious, reinforcing the phishing/malware delivery intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6106

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 36 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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 https://synerhu.ru/pbw?utm_term=keyboard+shortcut+keys+in+excel+pdf
    • https://cdn-cms.f-static.net/uploads/4446382/normal_6064a41ca2e8b.pdf
    • https://static.s123-cdn-static.com/uploads/4450147/normal_6001ca5105ce2.pdf
    • https://cdn-cms.f-static.net/uploads/4379960/normal_60282599f1a5d.pdf
    • https://cdn-cms.f-static.net/uploads/4380531/normal_606617eeae2aa.pdf
    • https://uploads.strikinglycdn.com/files/fee1509b-3dc2-470e-b915-4e41080da8b3/how_do_i_reset_my_k

Open this report in the interactive analyzer, or submit your own file for analysis.