MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://cctraff.ru/123?keyword=words+for+giveaway'. ML classification and ClamAV also flagged this PDF as malicious. The document body is heavily obfuscated, but the presence of embedded URLs and the redirector link strongly suggest a phishing or malware distribution attempt, likely delivered via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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?keyword=words+for+giveaway In PDF document text
- https://cdn-cms.f-static.net/uploads/4410722/normal_5f933a8ab74e4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370294/normal_5f8f5f48a831b.pdfIn PDF document text
- https://xujajogasugoni.weebly.com/uploads/1/3/4/5/134514057/e7606a51e3.pdfIn PDF document text
- https://nijubalalo.weebly.com/uploads/1/3/1/4/131453980/5853934.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/11d8aa73-9ec6-4b93-b9fa-b1615911817f/63219632747.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f5e97b90-91c0-4c75-a493-ade4b5bac6a6/pa_boat_trailer_inspection_laws.pdfIn PDF document text
- https://s3.amazonaws.com/wanasuvedigo/tovin.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/071fccd1-7a7a-4034-8edf-c5f9433a6086/clasificados_de_trabajo_en_new_york.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/143fb8ba-e36f-400a-92d1-fd426bf49106/44186999957.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/052a9989-84c3-4dab-a8c5-0ddc4e724238/48253219717.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_off0000bfeb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFEB | 5308 bytes |
SHA-256: 319dfc4ae630f118fbae7092414dc391cf7e301f3e0ae19856450f3af2f87536 |
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font_01_sfnt_off0000d22b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD22B | 11748 bytes |
SHA-256: 13388f16fb220451b74d70d217d76b2e81c73f016f4d3357aa6a53b3555b0cc6 |
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