MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of external links, many of which are hosted on disposable domains, indicating a link farm or phishing attempt. The primary URL, 'https://zajinet.ru/strik?utm_term=what+does+a+blinking+green+light+on+a+smoke+alarm+mean', suggests a lure to a potentially malicious site. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
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://zajinet.ru/strik?utm_term=what+does+a+blinking+green+light+on+a+smoke+alarm+mean PDF link annotation
- https://cdn.sqhk.co/bevoroxur/3ogdAWW/92830241821.pdfIn PDF document text
- https://cdn.sqhk.co/weruvewo/ghliigj/fobokagemumop.pdfIn PDF document text
- http://pabujazinebubip.22web.org/34842324175.pdfIn PDF document text
- https://cdn.sqhk.co/xusarukave/cidmHgc/jejuwuleboveretog.pdfIn PDF document text
- https://cdn.sqhk.co/fukafodifi/cibPijk/spacex_rocket_launch_january_2020.pdfIn PDF document text
- https://cdn.sqhk.co/vegedusovo/gdgiP5O/march_of_empires_war_of_lords_strategy_guide.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://a0f88182-e1f9-4a9c-ba22-d5ce004c6985.filesusr.com/ugd/2f3216_4d182036cc124156813729cf799eae65.pdf?index=trueIn PDF document text
- https://c72a6d71-2fad-4f5a-8b7a-a7c165485bce.filesusr.com/ugd/a4966f_0b44ad3aad5b4fa1895bda7254a8633e.pdf?index=trueIn PDF document text
- https://3568c1c9-c281-4b9a-9ea9-d5d291e0176b.filesusr.com/ugd/e5d8db_77a729f6ea094d9b9c8bb5e9146ff0c8.pdf?index=trueIn PDF document text
- https://9e1b5e4e-b4ab-405b-8fdf-b3b6d7b19c28.filesusr.com/ugd/94ea38_96071214921c4e628f5234bc98c65ba2.pdf?index=trueIn PDF document text
- http://sexotuwido.rf.gd/labofilezabibevowofopobi.pdfIn PDF document text
- http://mabagojovas.epizy.com/google_maps_platform.pdfIn PDF document text
- https://aefbb2f1-1cfc-4a48-aab2-d72547d84173.filesusr.com/ugd/2f3ac6_b7daff0d98b643bd9d0e505b866b9877.pdf?index=trueIn PDF document text
- http://vopogelos.epizy.com/crossfit_workouts_at_home_with_rower.pdfIn PDF document text
- https://e222b685-7c7f-4cee-b050-218328c89257.filesusr.com/ugd/c0232f_1b017aef4366404c9cd7d9dc5d554cfa.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/juzowilipi/zuwarik.pdfIn PDF document text
- https://e192e36c-395d-4660-9df6-aa7aed00c30a.filesusr.com/ugd/3aee12_e2f60817a70b414e8fcafb2df40f41a1.pdf?index=trueIn PDF document text
- https://33c7e2ec-32fc-4676-a642-9d95a4379e01.filesusr.com/ugd/622218_ce6a63174fc547a3a2ee2e28cbb7d88d.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/negonanopix/64384683901.pdfIn PDF document text
- https://0e818273-c791-4c7a-b20f-750474b78fe4.filesusr.com/ugd/362633_ca176a6b01c24ec5b94026adcbc870dd.pdf?index=trueIn PDF document text
- https://8c56b32b-3398-45d6-9c0b-b55146621f16.filesusr.com/ugd/6924eb_8937b949388044188b6c23249cdb1b41.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/nazekisigiduz/xojemozamuguxedelav.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_off0000f437.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF437 | 5456 bytes |
SHA-256: 3d027fafca7b291a59587fdcdf43d1aa63ac38f53aa07d50dd6a71806250561f |
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font_01_sfnt_off000106a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106A7 | 11000 bytes |
SHA-256: 56109ce4a9939621a50d1f5c749dfe4500606329f3d179fcd495a3edebee006f |
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