MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to distribute malicious content or conduct phishing. The primary malicious URL identified is https://xezojetit.ru/strik, which is likely used to redirect users to a phishing site or download a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://xezojetit.ru/strik?utm_term=goal+setting+worksheet+for+college+students+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4383445/normal_5fd735f35516d.pdfIn PDF document text
- https://sifudalumavobu.weebly.com/uploads/1/3/2/3/132302711/2341307.pdfIn PDF document text
- https://kunolutupevuj.weebly.com/uploads/1/3/4/7/134772201/bufaresevi.pdfIn PDF document text
- http://sawedes.mywebcommunity.org/differential_calculus_problems_with_answers.pdfIn PDF document text
- https://zogoporev.weebly.com/uploads/1/3/1/3/131381602/rupovudoxexetagefibo.pdfIn PDF document text
- http://wigemefigiw.mygamesonline.org/adobe_maker_not_working.pdfIn PDF document text
- http://xikimubixod.22web.org/gaxuvedofopujalasoneg.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369916/normal_6024c72665540.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://6648aa49-deb3-4d6f-81a8-a63cc7a297fb.filesusr.com/ugd/38eac1_b9cdcc83b866451d8c74f7a06b3ae589.pdf?index=trueIn PDF document text
- http://sajutab.rf.gd/fizodatulabiwozu.pdfIn PDF document text
- http://sijaxulo.rf.gd/autoimmune_polyglandular_syndromes.pdfIn PDF document text
- https://6ddb26ad-aa8e-4a3e-a925-5cef6fc035e1.filesusr.com/ugd/d3d820_7144ee040fc24e458916818766321f0f.pdf?index=trueIn PDF document text
- http://fibafewupo.epizy.com/74576190376.pdfIn PDF document text
- https://cb0920a4-0dfc-4587-8161-bd3bf883b043.filesusr.com/ugd/df391a_07e24699b65b4414b4677b1589ef5014.pdf?index=trueIn PDF document text
- https://c207dc97-0cc9-441e-8caf-a702c1639d46.filesusr.com/ugd/36abe8_e374f824a62c4e9487a2cf858bf5ec8c.pdf?index=trueIn PDF document text
- https://937a8a2d-b41a-4163-aff8-eda6db263557.filesusr.com/ugd/21e6f2_54a8d16e9c484de8a2d060d2d1f775a7.pdf?index=trueIn PDF document text
- http://bepofitome.rf.gd/mujojafonekimagedasox.pdfIn PDF document text
- http://sajulugebimisu.myartsonline.com/el_cerebro_humano_y_sus_partes_y_funciones.pdfIn PDF document text
- https://336ddc11-c37d-4cd6-9685-7accad2975f7.filesusr.com/ugd/479fa9_d1cc3fb8bdbd4b90ac7184501ad7843c.pdf?index=trueIn PDF document text
- https://d8d078ea-10ec-4787-8e21-ef6e32b87a24.filesusr.com/ugd/8f6098_d1800379e29847ba97ae40cbaac35433.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_off0000e718.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE718 | 5604 bytes |
SHA-256: ca9865a0b370a08a8b49ab3aaa2a5fe4484a2985275bad73948321c5580da1dc |
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font_01_sfnt_off0000fa3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA3C | 10904 bytes |
SHA-256: f2012389f5a5923f443438d5bf914b11d83e61f6a01a42a793df4652c555fe0d |
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