MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://pelibifir.ru/strik?utm_term=eureka+vacuum+cleaner+repair+near+me PDF link annotation
- https://cdn-cms.f-static.net/uploads/4408983/normal_6054e4e6e913f.pdfIn PDF document text
- http://pakunobun.getenjoyment.net/estilos_de_aprendizaje_visual_auditivo_y_kinestesico.pdfIn PDF document text
- http://negedibomul.sportsontheweb.net/zafufadolan.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387589/normal_5fdbc82caddf6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490377/normal_6033112b8d880.pdfIn PDF document text
- http://saudiautoinsurance.com/samimia63mz.pdfIn PDF document text
- http://frontend-developer-azaynullin.site/orchestral_manoeuvres_in_the_dark_discographyq4cp9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370767/normal_6029a51fefee0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4480387/normal_6049dc246d257.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4377662/normal_5ff9a77fd1753.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412195/normal_600f22002e9b1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450350/normal_6037c9718d4f2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4482415/normal_600c009f18338.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4486368/normal_6044dbf441a12.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4495254/normal_603c2afaf3ed3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446925/normal_6035b101ea61c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4417818/normal_5fe29dda7b511.pdfIn PDF document text
- http://jonebukusopovet.mygamesonline.org/simple_past_tense_exercises_esl.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://8271b8e8-1520-4b18-8785-2fafc8cd33e6.filesusr.com/ugd/efc97f_3e3b18e65a564062adbfcca993795fb9.pdf?index=trueIn PDF document text
- https://f770b3d7-c897-40e0-9323-5ad0abd91552.filesusr.com/ugd/1fa6dd_15f69ce708a24580af5ddc8962b56982.pdf?index=trueIn PDF document text
- https://48cc712b-de5e-493e-a198-f8962849e22b.filesusr.com/ugd/d2751c_479a969b821341868977b96e49d52bf1.pdf?index=trueIn PDF document text
- https://26f2e344-8444-46ea-90c9-5a893bcc2fb3.filesusr.com/ugd/b8c837_75e16bc1376c4cc5b7cb169c6cc052dd.pdf?index=trueIn PDF document text
- http://vawinujofupin.myartsonline.com/38635420306.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_off0000e12d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE12D | 4984 bytes |
SHA-256: 5d9c22231b6d865b9c2d1cabd40dec91932c16dae56defc99ab400e12a31576d |
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font_01_sfnt_off0000f219.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF219 | 11436 bytes |
SHA-256: 52a7ff3c6661ed2900271d122471daea14789e4b44fb5f801247f569c9f46ca3 |
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