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 0.9995
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/award?keyword=united+states+centers+for+disease+control+and+prevention+pdf PDF link annotation
- https://cdn.sqhk.co/sibamoxa/ecHPhGA/pawamogomiv.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470232/normal_60201a853baea.pdfIn PDF document text
- https://xebeluxowupud.weebly.com/uploads/1/3/1/3/131384709/342873.pdfIn PDF document text
- https://fusodozot.weebly.com/uploads/1/3/4/0/134096428/zudupujebed.pdfIn PDF document text
- https://cdn.sqhk.co/javepuju/iheiiha/90571363197.pdfIn PDF document text
- https://kuxevirajopar.weebly.com/uploads/1/3/5/9/135990570/rujexizutijoxelofuta.pdfIn PDF document text
- https://lurefeti.weebly.com/uploads/1/3/4/6/134683691/bozopefuxojusev.pdfIn PDF document text
- https://wefigofotagovir.weebly.com/uploads/1/3/4/8/134864379/mewulo_kudakuvoges.pdfIn PDF document text
- https://wumaluruporemad.weebly.com/uploads/1/3/0/9/130969386/8365074.pdfIn PDF document text
- https://wuvepadin.weebly.com/uploads/1/3/4/7/134714831/ea5509.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4464722/normal_5fec06a602224.pdfIn PDF document text
- https://biduvokiket.weebly.com/uploads/1/3/4/3/134367510/6741260.pdfIn PDF document text
- https://cdn.sqhk.co/mizipudi/sihdYjj/86148956397.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384459/normal_60288ab47dd99.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4482424/normal_5ff247b19ab62.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://uploads.strikinglycdn.com/files/1a411573-7765-430d-ba0a-6b7293d6a5b7/tuloriluguxudinavomu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8303929e-96f6-4644-8267-a1c839cdbf21/rafifudimunu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d3c6b8d0-8e8e-47dc-90ff-d4e5ac6c706e/bosch_300_series_washer_detergent_tray.pdfIn PDF document text
- https://04a80c79-134c-446e-801b-0c1635678e59.filesusr.com/ugd/5cebf8_4a69c17d4bdb4589b0ceb9af43b79b01.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/9c1aec11-8ae8-4130-8d7c-e9f4f9097159/sap_hana_enterprise_cloud_customer_edition.pdfIn PDF document text
- https://c6926203-1eb9-401e-9afa-11f61f201807.filesusr.com/ugd/685707_3eeca30d398f40109d3182566cff3371.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/5d1e939c-b4ea-43cb-a889-e601e24d8f1d/new_york_map.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_off0000f2db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2DB | 4988 bytes |
SHA-256: 6e967004fd12f01dcbccada450ea80279213af5488765f4aa96b31d27f673170 |
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font_01_sfnt_off000103e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103E1 | 10700 bytes |
SHA-256: cd100c826916a37ef6f5eb9bf86a031627aad79d73aa74b9264cdc6ef4425773 |
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font_02_sfnt_off00012861.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12861 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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