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 0.9998
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://kuzutuzo.ru/strik?utm_term=el+nuevo+houdini+in+english+chapter+2 PDF link annotation
- https://static.s123-cdn-static.com/uploads/4393754/normal_5fefb3dd41d35.pdfIn PDF document text
- http://buwafalaruri.22web.org/hp_deskjet_5550_power_adapter.pdfIn PDF document text
- http://rubefuziv.iblogger.org/modelo_de_minuta_de_constitucion_de_empresa_sac_sin_directorio.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4496605/normal_5ff1aeee5638d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4464720/normal_5ffae83833506.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416806/normal_6035a8655a026.pdfIn PDF document text
- http://jatukamopefu.22web.org/67860576929.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://e5720c39-3c1c-4a52-9be9-509675281b5a.filesusr.com/ugd/0010c8_2de5a35572b042ae949806a4b5e9cda1.pdf?index=trueIn PDF document text
- http://jezirateba.rf.gd/gegaxetesakololoxobeg.pdfIn PDF document text
- https://97783159-ced7-426e-9fbd-60d2bb3342fb.filesusr.com/ugd/00058f_4f01990821f24dbfbef07795ba91a01a.pdf?index=trueIn PDF document text
- http://makatorujiru.rf.gd/jenkins_send_sonarqube_report.pdfIn PDF document text
- https://da5bec28-7969-4117-8ffb-5069fce5e80c.filesusr.com/ugd/31593d_926185224ead4697a11ba9971843f486.pdf?index=trueIn PDF document text
- https://599b09cd-7b6a-4758-94a3-08a08d316165.filesusr.com/ugd/628a76_0045bb1ff7c34720a886f1ee169403d9.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/fa1332a5-c7fc-4f5d-b4ee-df02e6c62ada/best_movie_quotes_of_all_time_afi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b7bca3c2-b466-4b02-82a2-3f6103b0701b/73470145007.pdfIn PDF document text
- https://caf0f927-206f-4b4e-aa34-0dd3da53679b.filesusr.com/ugd/83d902_7c00fdadd6f94ddd90c1e2c74be074e4.pdf?index=trueIn PDF document text
- https://f8340159-69ce-4309-ac43-521e9a8475b4.filesusr.com/ugd/bc0b97_32575a5fa129404a9ec047cfb77d6a77.pdf?index=trueIn PDF document text
- https://94db4134-5784-44c5-a63d-963e509970fa.filesusr.com/ugd/9c58c5_93369a7987e749e7815359644dfb373f.pdf?index=trueIn PDF document text
- http://menimilerawapo.rf.gd/28416027034.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8e6bf78d-d0b9-4a1c-909d-8624a7053980/xasel.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_off0000cbca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBCA | 5368 bytes |
SHA-256: 518c11234ea23998407e2390c79ce509c300bff1727c0db1d805afd22476cbd4 |
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font_01_sfnt_off0000de0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE0B | 10724 bytes |
SHA-256: 617c7fe202c949e1adbdff2f71d09de85063d5a27cd0367c9cfca87b80dcbee6 |
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font_02_sfnt_off00010288.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10288 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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