MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://jacksth.ru/123?utm_term=stock+certificate+template+microsoft+publisher PDF link annotation
- https://cdn-cms.f-static.net/uploads/4465270/normal_604065aa7db26.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4423148/normal_603cbf4fd9e24.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4450257/normal_60b078344ab1a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418558/normal_6033c6061314c.pdfIn PDF document text
- https://panulozeti.weebly.com/uploads/1/3/5/3/135351273/4337905.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445532/normal_60182efce8d1a.pdfIn PDF document text
- https://wuwinotidewav.weebly.com/uploads/1/3/5/3/135349353/nijekekufivumizejo.pdfIn PDF document text
- https://xesapidad.weebly.com/uploads/1/3/4/3/134346602/0d28b5023516bc3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404966/normal_60671a1b4fc7e.pdfIn PDF document text
- https://xusezazidajitov.weebly.com/uploads/1/3/5/3/135325201/vefixevusofam.pdfIn PDF document text
- https://tasidajerodal.weebly.com/uploads/1/3/4/7/134757451/3531568.pdfIn PDF document text
- https://japujavawewiri.weebly.com/uploads/1/3/2/6/132696154/2620502.pdfIn PDF document text
- https://jutaxusuwixesel.weebly.com/uploads/1/3/4/6/134678787/kiseredogazunuxin.pdfIn PDF document text
- https://vuvowopivuvi.weebly.com/uploads/1/3/1/4/131410126/ruwezagasesaj.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485163/normal_6020638a74968.pdfIn PDF document text
- https://gizazegixewaner.weebly.com/uploads/1/3/4/5/134596748/4730cb5.pdfIn PDF document text
- https://lugifepitel.weebly.com/uploads/1/3/2/7/132710690/faribopowisuvik.pdfIn PDF document text
- https://neruwutuwi.weebly.com/uploads/1/3/5/9/135960217/kaxiropuxodujom.pdfIn PDF document text
- https://kefenageteda.weebly.com/uploads/1/3/0/7/130775977/fedoju.pdfIn PDF document text
- https://xizerusepu.weebly.com/uploads/1/3/4/3/134308384/nifozirewer.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375196/normal_602922d598e02.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://kefimazusob.pbworks.com/f/vowukigik.pdfIn PDF document text
- http://noxixap.pbworks.com/f/actividades_de_lectoescritura_para_nios_de_segundo_grado.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_off0000ebd1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBD1 | 5560 bytes |
SHA-256: d91c9451add1a550ad38aaf5ebd7ac139742fef3457b1a0d3b23e6df42791bdc |
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font_01_sfnt_off0000fe8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE8F | 10568 bytes |
SHA-256: 34e03ac8da0a6fca5ce43118f56afb030593f9efae2b26ceb898dcdeba89e01d |
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