MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains an embedded URL that redirects to malicious infrastructure, as indicated by the 'PDF_MALICIOUS_REDIRECTOR_LINK' heuristic and ClamAV detection. The document body, though heavily obfuscated, appears to be a lure for a free PDF, suggesting a phishing or social engineering attack. The ML classifier also strongly flagged this PDF as malicious.
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/aws?keyword=sarah+plain+and+tall+book+free+pdf In PDF document text
- https://cdn-cms.f-static.net/uploads/4365636/normal_5f8f576f6f60b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4414701/normal_5fa0640fee2f6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366956/normal_5f97670c1bbc9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387918/normal_5f8dd6b428217.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379482/normal_5f91d6c818a08.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4402486/normal_5f9288072b57c.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/sojuravewi/august_month_current_affairs_2019.pdfIn PDF document text
- https://s3.amazonaws.com/zidosozawok/nuestro_idioma_nuestra_herencia.pdfIn PDF document text
- https://s3.amazonaws.com/wisuw/um_fernando_pessoa_agostinho_da_silva.pdfIn PDF document text
- https://s3.amazonaws.com/sonutopexaramuf/genesis_1513-14_meaning.pdfIn PDF document text
- https://s3.amazonaws.com/zemigiduwagafu/lukil.pdfIn PDF document text
- https://s3.amazonaws.com/lezopobigeza/lumiya_star_wars_figure.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_off0000bfda.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFDA | 5256 bytes |
SHA-256: 6e26228e76519e73bc768956afa0118bc8bec8c49deff9a9a4166f330742af21 |
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font_01_sfnt_off0000d1ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1AE | 9932 bytes |
SHA-256: 368c2f48471bcd61a68a707b55df5b64a1da5f2411fa45e14a8e399d77b55cf4 |
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