Malicious PDF — malware analysis report

Static analysis result for SHA-256 dbf570513af2353f…

MALICIOUS

PDF

254.6 KB Created: 2020-11-13 16:14:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-11
MD5: 2fa09dca1111cc574d9fc8bb3fed9583 SHA-1: c78c1096d03e7b662f5c63cf8f53bbf9a6522c77 SHA-256: dbf570513af2353f7a0e4f12b588910df0769b022d72b6883433cae1c0299810
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded links pointing to known malicious redirector infrastructure, specifically 'traffine.ru'. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body, though heavily obfuscated, contains strings related to software, suggesting a lure for a malicious download.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9242

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=action+movie+fx+editor+apk In PDF document text
    • https://xusawoji.weebly.com/uploads/1/3/0/7/130739635/93c8420a430.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379969/normal_5f8b4ddea8606.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4371497/normal_5f92726d829f3.pdfIn PDF document text
    • https://kafigibedup.weebly.com/uploads/1/3/4/4/134479504/1c6e5cec509.pdfIn PDF document text
    • https://gejizataki.weebly.com/uploads/1/3/3/9/133997606/jixoreguvu-bejelolitup-nifiropobid.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4371013/normal_5f9dbb7d1a135.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367633/normal_5f9c98a7432fb.pdfIn PDF document text
    • https://segakimorepej.weebly.com/uploads/1/3/0/7/130738797/2066371.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4370286/normal_5f8ce06960d1d.pdfIn PDF document text
    • https://s3.amazonaws.com/gofilafixu/ib_history_hl_paper_3_mark_scheme.pdfIn PDF document text
    • https://s3.amazonaws.com/toliwudalamem/37960110392.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/498746b8-4e16-4921-8429-e829a11ee676/jilutaj.pdfIn PDF document text
    • https://s3.amazonaws.com/dogazisuze/petuzezukabigowiluwovoki.pdfIn PDF document text
    • https://s3.amazonaws.com/padoragog/tiguzajenevarap.pdfIn PDF document text
    • https://s3.amazonaws.com/nerugiraxura/segesosilegipibokilidato.pdfIn PDF document text

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