Malicious PDF — malware analysis report

Static analysis result for SHA-256 d16389b7c5aa3448…

MALICIOUS

PDF

52.6 KB Created: 2020-12-29 22:37:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: a54780cbd73f60913278de2783181bc7 SHA-1: 801be391330e5be909a3e56bd0f24dfec92ff6df SHA-256: d16389b7c5aa34486d47ec5dae3fca50a05f3c52f8c3113273f43fbc656092ff
152 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file routes users through malicious redirector infrastructure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6781

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://ggtraff.ru/wb?keyword=apa%20citation%20harvard%20business%20review%20online%20article In PDF document text
    • https://static.s123-cdn-static.com/uploads/4473616/normal_5fd048051d7b5.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365549/normal_5faa38b6dc7b8.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4505363/normal_5fc967573d099.pdfIn PDF document text
    • https://vidokabotofasi.weebly.com/uploads/1/3/4/8/134868814/5246821.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4464542/normal_5feb1c9b92c78.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4404990/normal_5fe7df778a1e1.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4448357/normal_5fe590f0a0d23.pdfIn PDF document text
    • https://s3.amazonaws.com/mawesenasijoser/arlina_template_premium.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e95344c6-5ec1-4cf2-968a-f69c63d3ddc8/57047398455.pdfIn PDF document text
    • https://s3.amazonaws.com/nitizobuv/characteristics_of_useful_accounting_information_examples.pdfIn PDF document text
    • https://s3.amazonaws.com/fibesezati/14875102628.pdfIn PDF document text
    • https://s3.amazonaws.com/dazinibonofobi/75657152768.pdfIn PDF document text
    • https://s3.amazonaws.com/vibasujefir/betepuwozazosukuzobepex.pdfIn PDF document text
    • https://s3.amazonaws.com/vexosafugunu/zopelezukedek.pdfIn PDF document text

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