Malicious PDF — malware analysis report

Static analysis result for SHA-256 a9280b95d3ece2e9…

MALICIOUS

PDF

50.6 KB Created: 2020-12-24 06:47:58 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-15
MD5: fccf9958f192196a8bbf620fa2216c34 SHA-1: 4c77a01abe562bb40bc4cc8683e6b18b38bea11e SHA-256: a9280b95d3ece2e9cc9386d00429ed88160cc2fb94167c7f23e6ca6925c9cc5c
94 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was detected as malicious by ClamAV and an ML classifier. It contains an embedded URI pointing to 'trafffe.ru', which is likely a phishing or malware distribution site. The document body, though truncated and obfuscated, suggests a lure related to software or templates, aiming to trick users into visiting the external URL.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7193

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
  • 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://trafffe.ru/aws?utm_term=bpmn+2.+0+stencil+for+visio+2010 PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4388627/normal_5f8f351ff3512.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4454682/normal_5fb340bc9457b.pdfIn PDF document text
    • https://mogilifus.weebly.com/uploads/1/3/0/7/130739831/059d55fbff3.pdfIn PDF document text
    • https://xuwixozewinufub.weebly.com/uploads/1/3/4/7/134702679/sitefezeg-zefudojibigo-lugivig.pdfIn PDF document text
    • https://feroredo.weebly.com/uploads/1/3/1/3/131379294/5626110.pdfIn PDF document text
    • https://vonubaxuted.weebly.com/uploads/1/3/1/4/131452839/fedug.pdfIn PDF document text
    • https://tadomowiwelam.weebly.com/uploads/1/3/4/7/134744739/vevefuzu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4388427/normal_5fb2cb1007458.pdfIn PDF document text
    • https://s3.amazonaws.com/jeduzizonox/formas_de_maltrato_psicologico_a_la_mujer.pdfIn PDF document text
    • https://s3.amazonaws.com/rekawexuretowo/wafitisidonaxegasak.pdfIn PDF document text

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