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://jacksth.ru/strik?utm_term=cursive+writing+exercises+for+grade+3+pdf PDF link annotation
- https://bivogovaxi.weebly.com/uploads/1/3/4/3/134320375/vudukike.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418171/normal_604d9569223d3.pdfIn PDF document text
- http://nimened.66ghz.com/96659277191.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4486037/normal_5fcb912e4846f.pdfIn PDF document text
- https://legovizadedugid.weebly.com/uploads/1/3/1/8/131856283/xujijiwemuronusi.pdfIn PDF document text
- https://bivufinemena.weebly.com/uploads/1/3/1/3/131380184/pibogij.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376866/normal_60681565172f8.pdfIn PDF document text
- https://boleturem.weebly.com/uploads/1/3/4/3/134398498/0a4a36d69db4f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421613/normal_6048e74a85811.pdfIn PDF document text
- https://zusikoxapumobib.weebly.com/uploads/1/3/4/7/134766975/tojoxejafe.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/d1d56db2-44f8-4b99-b421-153ac48cd25a/tejetuso.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f2755a0f-e13e-43f7-96f6-34625a00beda/how_to_make_infinity_symbol_in_latex.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9c5850f2-c545-485e-8b76-d7fb3f556d8d/leritapevelozizazuge.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dffe4872-76d5-43a8-9ad4-1ea8bc7fd8c5/used_sp_shocker_rsx_for_sale.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/be14a083-c9e7-4f28-85b7-88b02dc650ad/goat_simulator_build_payday_2.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/73685adf-3751-4f6b-9d27-831439035c9f/bojoxemimol.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1f0948d7-9737-413b-b252-d9e38c797938/nvcc_faculty_email.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e85c016b-5a8b-4ba1-b9bf-3a4e86f1629c/calories_in_el_pollo_loco_keto_taco.pdfIn PDF document text
- http://bifapekedareb.rf.gd/xanujaderunux.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/33a919dc-65a4-4246-8228-5d8f6d99abc0/texto_expositivo_de_estructura_problema_solucion.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_off0000ce6d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE6D | 5580 bytes |
SHA-256: 6b152016c956a5059c5cf6f9bfde9d7da91512b0487ad23884e35bd141fe34c2 |
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font_01_sfnt_off0000e191.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE191 | 10060 bytes |
SHA-256: 20cf4b78bcbe2a43914f78bef9a1ae6e994d27ab0e053a57c82066b8adbf2633 |
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