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-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=plt+scatter+legend+size PDF link annotation
- http://online-bestshop.xyz/82952374674mlxxo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4492250/normal_60659da5c1251.pdfIn PDF document text
- http://trelon.fun/81341927700i3vti.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4497658/normal_602b232acb202.pdfIn PDF document text
- https://cdn.sqhk.co/kewexezaviz/3hi5Yod/best_dancing_ballet_shoes.pdfIn PDF document text
- https://cdn.sqhk.co/nazujovo/krjikPC/34414145447.pdfIn PDF document text
- http://cetapp.xyz/dekutawo6ghej.pdfIn PDF document text
- http://raftgjgr.space/examen_ceneval_egel_administracion_contestadowuvbw.pdfIn PDF document text
- https://cdn.sqhk.co/libibajuzumu/dwifjij/15731032521.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367283/normal_605aad887e4d9.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/403985e9-4896-4e22-b97b-641df40ce144/ashton_kutcher_romance_films.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c9db947e-3cba-4fe4-979c-d62c25a52d24/80741299370.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9c5e9297-a77d-4d83-9faf-fa815a0902ba/jenn_air_oven_repair_manual.pdfIn PDF document text
- https://d102a0f2-001f-4998-bb0a-88ac30ac05b5.filesusr.com/ugd/771ea4_ffce5a43f3d54ac6b03297281d265193.pdf?index=trueIn PDF document text
- https://5849b288-062f-49f8-a71b-da420f1f00fd.filesusr.com/ugd/c068f8_8761e957076c46ae8a5b8801bc001ab9.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/ebf3ca4e-2109-49d8-b87c-567a72725aed/21718560588.pdfIn PDF document text
- https://b1c30c75-ab46-439a-884d-3836ae4b8a49.filesusr.com/ugd/2d1648_234481029c3a4855ac1ff3273f6b6c4b.pdf?index=trueIn PDF document text
- https://6a1e2a5f-c456-4288-b9d5-5378f87870fb.filesusr.com/ugd/076fac_5e7a2294b7b748d283d2218d58ec23e3.pdf?index=trueIn PDF document text
- https://5c54d0bb-9de8-469b-abb1-33232a952ba9.filesusr.com/ugd/370e3f_3fd062fbd3424864927bc9ac5ed0fb3a.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/96a84b52-0e50-4849-a3c1-95c864920764/ge_profile_microwave_exterior_light_bulb_replacement.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ef2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF2D | 85528 bytes |
SHA-256: c53dce436c0b22efb04e5f67b3bad8f20a809a246a72c7c2356f02635ae745c9 |
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font_01_sfnt_off0001ee1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1EE1C | 5160 bytes |
SHA-256: 1ea28085de34c224ed4efeec57e44ceb26e05923c4a2b0eea75c709e3ba2b81c |
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font_02_sfnt_off0001ffbb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1FFBB | 10916 bytes |
SHA-256: a25a8d528b7dcbd3ec44986d6634f0e6c4e96ce04a49717b54d065f62f35ea91 |
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font_03_sfnt_off0002257a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2257A | 16036 bytes |
SHA-256: 354dce64f07f3d7acdf6a04edf763950ffbfec4edcbb4bfe17b65a83544077bb |
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