Malicious PDF — malware analysis report

Static analysis result for SHA-256 f75285c4bc105fd0…

MALICIOUS

PDF

50.6 KB Created: 2020-11-29 08:41:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-31
MD5: 7993355ba4cf046ba1777d62f44abf46 SHA-1: b5dc4127d77cec245afeb81280e29a97c64de36b SHA-256: f75285c4bc105fd024c7c068a9c4787ca3d19bad659c2e81f4fc666d4516b7a5
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a link that redirects to known malicious infrastructure, identified by the 'PDF_MALICIOUS_REDIRECTOR_LINK' heuristic. The ML classifier also flagged the document with high confidence. The embedded URL is likely intended to trick the user into downloading malware or visiting a phishing site, masquerading as a free software download.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9650

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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://traffine.ru/aws?utm_term=skype+7.+40+free++for+windows In PDF document text
    • https://xasuvakem.weebly.com/uploads/1/3/4/4/134400919/9414570.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4443342/normal_5f9c6ab4a9069.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4385612/normal_5fa04b2cbf60f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4380854/normal_5f9ade041c062.pdfIn PDF document text
    • https://ralerafuzirepob.weebly.com/uploads/1/3/4/3/134386916/zupogogodegorixebola.pdfIn PDF document text
    • https://jaketomerinojox.weebly.com/uploads/1/3/4/1/134109184/b61b82.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4484609/normal_5fb61486470fd.pdfIn PDF document text
    • https://bujupovira.weebly.com/uploads/1/3/4/4/134472582/vuxala-rukopek-ralifuri-xofonijelalem.pdfIn PDF document text
    • https://bokakarepexopo.weebly.com/uploads/1/3/4/7/134750167/f0af8cb74.pdfIn PDF document text
    • https://s3.amazonaws.com/fasanag/45375322082.pdfIn PDF document text
    • https://s3.amazonaws.com/wewuxuviwar/nafoxekezufigevapa.pdfIn PDF document text
    • https://s3.amazonaws.com/mefovu/widebimunomuru.pdfIn PDF document text
    • https://s3.amazonaws.com/sajatesawodiji/16259267778.pdfIn PDF document text

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