MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many pointing to disposable hosting, as indicated by the 'PDF_SEO_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristics. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the link farm suggest a phishing or content-serving lure, likely delivered via spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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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://seumenha.ru/strik?utm_term=nursing+diagnosis+list+nanda PDF link annotation
- https://cdn-cms.f-static.net/uploads/4393624/normal_604acbc01c93a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485153/normal_5fd67ef31ca50.pdfIn PDF document text
- https://sumajodezidozi.weebly.com/uploads/1/3/3/9/133997227/6036778.pdfIn PDF document text
- https://kiparefewegapip.weebly.com/uploads/1/3/2/6/132682538/c81593192247.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4374835/normal_5ffb8baa04a98.pdfIn PDF document text
- https://wupirevedog.weebly.com/uploads/1/3/4/7/134709422/53d5bfbb05cc.pdfIn PDF document text
- https://cdn.sqhk.co/wanowofimaz/EmQjjid/64416792382.pdfIn PDF document text
- https://goneludolazoga.weebly.com/uploads/1/3/4/4/134488647/fcecf1e76452.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373992/normal_605b0a0ee891c.pdfIn PDF document text
- https://wiguvizokon.weebly.com/uploads/1/3/0/7/130776253/vuxatevebazape-romatojep-suwolalutene-bobuzutod.pdfIn PDF document text
- https://sujefamop.weebly.com/uploads/1/3/4/7/134762109/ac133162e.pdfIn PDF document text
- https://noduxulab.weebly.com/uploads/1/3/4/9/134901810/wuganumeb-lizixodekezum-waxevuge-dabixugunazaris.pdfIn PDF document text
- https://teligodinawam.weebly.com/uploads/1/3/4/4/134457670/nekekupap.pdfIn PDF document text
- https://cdn.sqhk.co/kovezozeseg/jWubhaL/zara_black_friday_sale_2020_usa.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4486550/normal_603166cc6b8d6.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://xopiwimiwopuse.epizy.com/39222424558.pdfIn PDF document text
- http://werexixudi.rf.gd/egger_laminate_sheets.pdfIn PDF document text
- https://0e8f88b9-656e-4b05-9cd8-8bd477f85547.filesusr.com/ugd/95b9ea_9ac9bc5b4c6643dc815eef52a8c3a984.pdf?index=trueIn PDF document text
- http://giratas.epizy.com/episode_guide_ncis_season_13.pdfIn PDF document text
- http://tufuripisaren.epizy.com/lokigaxinuj.pdfIn PDF document text
- https://ce5d016b-e5fb-4004-af8f-35f61b829e22.filesusr.com/ugd/d7d7f8_757fbf9927b2443c8eb522bf21761cf4.pdf?index=trueIn 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_off0000fd10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD10 | 4964 bytes |
SHA-256: c3a07f700b7c07d78f99f98727a0d4b527ba93eaefcedc612f83c8283adfa49a |
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font_01_sfnt_off00010e03.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E03 | 11096 bytes |
SHA-256: 0c2202444fb02cb460121817a380de47b194c9ac30e5ad7cd53fbc8f4ed27056 |
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