MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by ClamAV and an ML classifier, indicating a high probability of malicious intent. The document contains a large number of external links, many hosted on disposable domains, suggesting it functions as a link farm designed to redirect users to potentially harmful content. The embedded URL 'https://kuzutuzo.ru/strik?utm_term=please+understand+me+ii+summary' is a primary indicator of this redirection behavior.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://kuzutuzo.ru/strik?utm_term=please+understand+me+ii+summary PDF link annotation
- https://biditeso.weebly.com/uploads/1/3/4/3/134339176/zubalo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4407313/normal_6051a90254650.pdfIn PDF document text
- https://mubajodopiwal.weebly.com/uploads/1/3/1/4/131454521/vevolur.pdfIn PDF document text
- https://fojomifurinu.weebly.com/uploads/1/3/1/3/131378835/de1bfe52a63.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380211/normal_601af7085b25e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404512/normal_5fdc61f755b15.pdfIn PDF document text
- https://fozoxusesabe.weebly.com/uploads/1/3/4/7/134748975/469975.pdfIn PDF document text
- https://xuzatikanuji.weebly.com/uploads/1/3/0/7/130775198/119003.pdfIn PDF document text
- https://pupalizote.weebly.com/uploads/1/3/4/7/134716330/gevivekutijo-vinifisavotobu-sivaxamul-joritadedoru.pdfIn PDF document text
- https://jutineriru.weebly.com/uploads/1/3/4/8/134866815/xasewewadogek.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4496815/normal_604100a8d536d.pdfIn PDF document text
- https://wejafivikime.weebly.com/uploads/1/3/0/9/130969279/3943742.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410004/normal_6066ed0b0a88f.pdfIn PDF document text
- https://farunigi.weebly.com/uploads/1/3/4/7/134716297/gujopap_xagegabojal_sorevumowegip.pdfIn PDF document text
- https://lenagalazipanom.weebly.com/uploads/1/3/5/3/135310064/novaxunakedex.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/1610b3a2-3a80-475e-bc9e-f50363ca1a35/36915286188.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6946e627-3c2f-40ae-8db4-9580af1d4414/4251258457.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e896ccad-3f4b-48e8-8694-1a1fb255c895/the_tragedy_of_the_commons_refers_to_the_overuse_of_unregulated_resources.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/102f9004-98c2-4e69-afbc-8f9ad814db58/49848436992.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5954b59e-cbd6-45ae-9005-aaf9f31ee8ed/14214850546.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5b703d12-7800-411a-9f4f-05bdf5f4812e/wisuleminuwuwotimo.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_off000119fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119FC | 5072 bytes |
SHA-256: 9bc8593c38365c7f7d5c759564fbabf8ec3faeda2041ee8c0766231ca0fb5998 |
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font_01_sfnt_off00012b2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B2A | 15560 bytes |
SHA-256: 85684a7d4b359d2bcce9b05dd7f1758790899b69fbb5c010beaaa483f79da47d |
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