Malicious PDF — malware analysis report

Static analysis result for SHA-256 ed705d58fe271253…

MALICIOUS

PDF

38.1 KB Created: 2020-12-05 18:34:52 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 779e79456330c57f4007cb76f121642d SHA-1: d46d62ffcba4a7184a032621967bc71d155ae35b SHA-256: ed705d58fe271253c3f0f749114b81216fa5a1e308be7a2bc49b8aa1675231e3
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as a screenshot lure, typical for phishing or malware distribution. It contains numerous external links, including one to 'traffset.ru', suggesting it's designed to redirect users to malicious content. The ML classifier also flagged this PDF as malicious, increasing confidence in its harmful nature.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6430

Heuristics 4

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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 38 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://traffset.ru/aws?utm_term=a4+folded+to+a5+leaflet+word+template
    • https://cdn-cms.f-static.net/uploads/4404490/normal_5f969738ea4d7.pdf
    • https://cdn-cms.f-static.net/uploads/4375206/normal_5fbe3934633a8.pdf
    • https://pudozewo.weebly.com/uploads/1/3/4/3/134311846/a9699db5.pdf
    • https://tedumuwoke.weebly.com/uploads/1/3/1/3/131397970/3626776.pdf
    • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/lixavej_rivutavipulox_vunezikavad_lirumonoguwako.pdf
    • https://fegilekupajot.weebly.com/uploads/1/3/4/4/134404616/jigenuto.pdf
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf4f002dd96f5918e528e1/1606373121672/zunokawobejuxapojeb.pdf
    • https://static1.squarespace.com/static/5fc0e70d1452f90b7fe56088/t/5fc19dafbc819f1cf41595f9/1606524335955/furoweze.pdf
    • https://static1.squarespace.com/static/5fc598a0085bf90c0e1d1088/t/5fcb42ca6fd93023bc025ecf/1607156428090/bukimifalebokerebedosita.pdf
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbd3dd53dbee32f3ea2e0e8/1606237655216/44887844828.pdf
    • https://s3.amazonaws.com/wukara/6860562521.pdf

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