MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links pointing to known malicious redirector infrastructure, specifically 'https://cctraff.ru/123?utm_term=20+bus+route+sheffield'. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body, though heavily obfuscated, appears to contain elements related to the URL lure. The primary attack pattern involves directing users to malicious sites, likely for phishing or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 4
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne 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://cctraff.ru/123?utm_term=20+bus+route+sheffield In PDF document text
- https://cdn.sqhk.co/rojarasam/hhbbsji/56738445027.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421627/normal_5f98cf729dfe2.pdfIn PDF document text
- https://cdn.sqhk.co/ruwonumatag/jfJHgdw/wavulek.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444092/normal_5fea2e864cff0.pdfIn PDF document text
- https://cdn.sqhk.co/fubafonu/Aiggggg/rojawazenomajonijevo.pdfIn PDF document text
- https://cdn.sqhk.co/sijiposago/jhjaieh/92037945737.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369930/normal_5fcc229dea97d.pdfIn PDF document text
- https://cdn.sqhk.co/wodigajamu/ieggQhd/somofiruwinijopaxopi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/takateg/bibexakakirezopexifan.pdfIn PDF document text
- https://s3.amazonaws.com/peveziwoguxuzam/76775847408.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7c4cc4fb-d423-4e2d-8eca-abcb37f317bd/xifirulefitab.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e64b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE64B | 5104 bytes |
SHA-256: 49f04384b767a14cf607cf6ed089910dfdf5b897feebb38c48a8f8b9c459548b |
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font_01_sfnt_off0000f798.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF798 | 10672 bytes |
SHA-256: 0a2066173efa15c93839ddfb60f65d973b27a6f9013ec5658096138a69b22dab |
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