MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm with numerous external URLs, many hosted on disposable domains, suggesting a phishing or SEO poisoning campaign. The embedded document body text, though heavily obfuscated, contains a keyword search phrase, reinforcing the lure. ClamAV detection and ML classification strongly indicate malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://nipisod.ru/wix?keyword=hannibal+high+school+address PDF link annotation
- https://static.s123-cdn-static.com/uploads/4477386/normal_5fcac6b96ec1c.pdfIn PDF document text
- http://tuguxanofa.iblogger.org/kali_linux_raspberry_pi_zero_w_headless.pdfIn PDF document text
- http://tejajugumoneton.66ghz.com/manual_de_epidemiologa_y_salud_pblica_2da_edicion_gratis.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4503987/normal_5ff0d54c302e4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485001/normal_601a1354d8ed8.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://3e1af3dc-cf37-4f58-935d-0a6065bc5ce9.filesusr.com/ugd/3ca236_36d594487eec45d4b13813fdcf98a8cf.pdf?index=trueIn PDF document text
- https://5b0e1d79-1acc-45ba-a965-31015372eee8.filesusr.com/ugd/67f5f7_419f06b4a3464a588cb88383411cb163.pdf?index=trueIn PDF document text
- https://650c977b-0274-48a2-8498-43c0efc39f4e.filesusr.com/ugd/dbad32_77fd2c1555dc41569a647baba5a95e4a.pdf?index=trueIn PDF document text
- https://b9eb3541-094c-4606-b101-17c2291fd6e1.filesusr.com/ugd/a18601_20b93709aca4432c94c0462f7fde449c.pdf?index=trueIn PDF document text
- http://duluxosi.epizy.com/carl_jung_liber_novus.pdfIn PDF document text
- http://sixuregorajaso.rf.gd/monujixadudugujumojuk.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/98a86a51-da06-4b73-8126-94acf366208d/didoberineziv.pdfIn PDF document text
- http://xifeloj.onlinewebshop.net/aprender_a_dibujar_a_lapiz_paso_a_paso.pdfIn PDF document text
- https://a9864912-ad24-422b-99f3-2d90f7703507.filesusr.com/ugd/d6af85_66d6c401896c4e4396807bbc498564ab.pdf?index=trueIn PDF document text
- https://f770b3d7-c897-40e0-9323-5ad0abd91552.filesusr.com/ugd/1fa6dd_6df28bfc395c4021876d068bf1000fe1.pdf?index=trueIn PDF document text
- https://d70b1dc8-7d09-4148-9854-e6a7cae1b87b.filesusr.com/ugd/5899d5_a6cd19d5d53849598152ce85d1db399e.pdf?index=trueIn PDF document text
- http://tediguku.atwebpages.com/swarm_intelligence_book_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ea27beef-b595-4ab4-9df2-23eb82abc758/the_order_of_things_free.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fe2a0d2a-1312-4946-819c-9ce752311f9c/rafael_lapesa_historia_de_la_lengua_espaola_resumen.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_off00010c5f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C5F | 5300 bytes |
SHA-256: 5d53cc445a0f7115d8d20a20c84f848566bc00806c81c36cc327ace54dd26f21 |
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font_01_sfnt_off00011e4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E4F | 11784 bytes |
SHA-256: bc740fca6bb6b1021b2bf0fa53323a7f2270c677ca17fb211c41dce083b105c7 |
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