MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high probability of malicious intent. It contains a large number of external links, many pointing to disposable hosting, suggesting it functions as a link farm for phishing or malware distribution. The primary malicious URL identified is https://kuzutuzo.ru/strik?utm_term=can+you+use+a+bundt+pan+for+any+cake.
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=can+you+use+a+bundt+pan+for+any+cake PDF link annotation
- https://bezuwodasufex.weebly.com/uploads/1/3/2/6/132696249/541392.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383678/normal_6016d14ee430f.pdfIn PDF document text
- https://jorojesa.weebly.com/uploads/1/3/4/8/134861508/7978184.pdfIn PDF document text
- https://mifurujuxix.weebly.com/uploads/1/3/3/9/133997148/3924095.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421944/normal_60149113d0409.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4426421/normal_5fee545f64e93.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368969/normal_602994cb07d6a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4371247/normal_5fd19499902dc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446770/normal_5fd8dd069ac3d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370541/normal_604e55cd8dfb4.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4416661/normal_5ff3c6df114cf.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://6e3eaeb2-b9dd-4462-8b56-96c59beebd9a.filesusr.com/ugd/dcc11b_eabf9b8f09914d269221991ca57f967d.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/ed3a44d8-7681-4e37-9d1c-741b9f880e6d/dragon_age_origins_companion_conversation_guide.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7882d43d-6c74-4dec-b088-0ae97783373f/hp_printer_5520_error_403.pdfIn PDF document text
- https://c03439ef-6557-4199-865e-586791a52b6c.filesusr.com/ugd/6bb4a2_5b1b029b38674cfd9e932b5d1386682a.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/83d25abd-fe50-4bc5-8efb-d6952029e639/titev.pdfIn PDF document text
- https://f84ffea9-2755-49c2-9cb5-47ca8b55fe65.filesusr.com/ugd/0adedf_8513d99f10024bac950d92ee5b0d3334.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/1df0eff2-4f94-4248-a691-e1686d425a6c/60288416998.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9386b6b4-c3e1-4f43-876b-2dedc959a9dd/insinkerator_badger_500_leaking_from_top.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_off0000f26a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF26A | 5328 bytes |
SHA-256: dd94dc096b070106777e40e56a09ee1595047858e27cfed10fecbd26487855d7 |
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font_01_sfnt_off0001049a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1049A | 1800 bytes |
SHA-256: e9a5a1f6ed95b1e3669933bb00002ad32a1708c3e0b735191cad5e02368a6c7d |
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font_02_sfnt_off00010d28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D28 | 10960 bytes |
SHA-256: f021b722f68f52bab05181b6640be502f61cf1fb32a3c969153418525b97e201 |
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