MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many pointing to disposable hosting, suggesting a link farm or phishing attempt. The primary malicious URL identified is https://mezovuduw.ru/wix?keyword=central+michigan+university+payment+address, which is likely used to redirect users to malicious content or collect credentials. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://mezovuduw.ru/wix?keyword=central+michigan+university+payment+address PDF link annotation
- https://cdn.sqhk.co/supetuzitepi/ibN0yH0/evil_nun_2_origins_gameplay.pdfIn PDF document text
- https://cdn.sqhk.co/pupevadojas/wmiEEib/bird_lands_on_bernie.pdfIn PDF document text
- https://cdn.sqhk.co/fujesepulo/iebnEjb/linkmenu_rimi_vaistine.pdfIn PDF document text
- https://cdn.sqhk.co/kukisigafumi/SYp1jdB/xobilibezif.pdfIn PDF document text
- https://cdn.sqhk.co/mifaruzamexu/eF5KhcJ/call_center_workforce_management_software_free.pdfIn PDF document text
- https://cdn.sqhk.co/gidenateg/gfhcWgi/xonunutuvikojivanonaka.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://6c036dbd-b327-4678-b778-de8a2ee7bb50.filesusr.com/ugd/ed64d2_fa93b662b50841b393b54eb6bee4c055.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/fofeguj/mayora_indah_tbk_annual_report_2014.pdfIn PDF document text
- https://s3.amazonaws.com/juliziwojatige/49442230004.pdfIn PDF document text
- https://769966b8-4adc-437e-bba8-f198cf6e171b.filesusr.com/ugd/41a0b6_41ca64b3e958423693f867ab88b7e2f9.pdf?index=trueIn PDF document text
- http://wemelimefudunej.epizy.com/ultimate_ninja_blazing_mod_apk_pearls.pdfIn PDF document text
- https://4bd9ed84-c80b-4837-bb2f-b1353ebfd8aa.filesusr.com/ugd/5a1791_23bd1ab701134afa82a770c78a949499.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/numunenoji/17917406393.pdfIn PDF document text
- https://ebba3e40-d49f-4cc8-b137-373bb1124918.filesusr.com/ugd/384ea4_030928afee784087a276fd62683af7df.pdf?index=trueIn PDF document text
- https://c7f0abc7-d23b-482d-bd16-0771495bb668.filesusr.com/ugd/bb13a2_a3624e60cfd94b448681a5619fcef97e.pdf?index=trueIn PDF document text
- https://5926284e-b61c-4ed0-95e5-27b9feedd2c3.filesusr.com/ugd/50c35f_91787d6a3bbf46e28b21b1a1f0394728.pdf?index=trueIn PDF document text
- https://ef9935f7-a918-44a1-999f-f1d50a45e4a7.filesusr.com/ugd/b463f2_83108ef288094a95ac27090d4e75017c.pdf?index=trueIn PDF document text
- http://muwalolerede.epizy.com/romakajasiwipoku.pdfIn PDF document text
- https://1ac5d900-0c69-4f12-8b1d-4e209472b8d2.filesusr.com/ugd/828753_5bae02f6098c4674a7d8e32b6c2c03dc.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/vunizi/mod_mango_capsa_susun.pdfIn PDF document text
- http://sewasijibakel.epizy.com/how_to_find_license_key_for_adobe_acrobat_dc.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_off0000f58f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF58F | 5444 bytes |
SHA-256: eecff772c0e72ab61bd941f4c20a0a88c7d832397ea3586ccd9bca8e4f3e3a09 |
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font_01_sfnt_off000107ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107EA | 11292 bytes |
SHA-256: cd5cac971d2b982f57a6c7fe0f2e2d8a540f7224cbc9e7a96f7c3dad020b48ec |
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font_02_sfnt_off00012e50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E50 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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