MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The primary malicious URL observed is https://zajinet.ru/wix?keyword=totally+not+cool+math+games, which is likely used for phishing or malware distribution.
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://zajinet.ru/wix?keyword=totally+not+cool+math+games PDF link annotation
- http://xojuxelase.medianewsonline.com/99081106747.pdfIn PDF document text
- https://cdn.sqhk.co/jekunesoru/GLKjaFu/79637511861.pdfIn PDF document text
- http://pazujiz.mygamesonline.org/does_fairy_tales_lice_prevention_work.pdfIn PDF document text
- https://cdn.sqhk.co/sofaxuleruri/LrgeDsO/falitokotavateruzurom.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://ffb80149-315c-4936-8637-e87477b606fc.filesusr.com/ugd/e7410d_5782422f9f2b41db81f2af70d4f1d2e7.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/7db21242-e5b7-4f8e-b281-f95466464e89/vujemaxuzutosafini.pdfIn PDF document text
- https://6c639bf1-704a-4500-b661-329758898742.filesusr.com/ugd/02d620_5ccb5888c2024dfd961038d6a3e6aacf.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/d7c34753-010f-4a34-9cce-e1703fdff8b2/cannot_connect_to_asus_router_admin_page.pdfIn PDF document text
- http://jelasojeb.rf.gd/spanish_to_english_translator_app_free.pdfIn PDF document text
- https://724418e0-3ace-43c1-abd8-628b4820fc71.filesusr.com/ugd/6df952_b41c463c6ec54d41a36a5c74a0238efc.pdf?index=trueIn PDF document text
- http://budobilososuw.rf.gd/fodaxes.pdfIn PDF document text
- http://xesunuz.epizy.com/year_end_performance_review_during_covid.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1830147c-3006-4e9e-a186-f87a9fab50d2/95811869042.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/383fa4e4-70d4-4a78-ad99-19c640d67fe8/kuverezutorifigerulebap.pdfIn PDF document text
- https://933527c5-e005-4225-a3aa-05fee46c7696.filesusr.com/ugd/b51dd5_97e19b0ea29c426ba5427e91dfe3f9c5.pdf?index=trueIn PDF document text
- http://temurilosepe.rf.gd/website_development_course.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/10b22f5e-6c61-4190-a6a6-7eded04669c6/what_are_the_complex_carbohydrates.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1729310a-92c7-4b18-ae3f-e19786c6e66a/muslim_baby_boy_names_in_urdu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/24dfa7d5-303d-4b91-9a6d-91ad3162cb59/morevikezebinefozaz.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f5e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5E2 | 4908 bytes |
SHA-256: cc077319b2908476997bc3aa34887393a16b7c7bf11a9bbac1180647dcb6d636 |
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font_01_sfnt_off0001066d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1066D | 11352 bytes |
SHA-256: 810b1a15e8665e2a4d25331ebeee1653bf71e5572dbb1085295e4c15f3387ac6 |
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font_02_sfnt_off00012cb7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CB7 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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