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 likelihood of malicious intent. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm used for SEO poisoning or phishing. The primary URL, 'https://mezovuduw.ru/wix?keyword=geometry+proportions+worksheet+pdf', is presented as a geometry worksheet, a common lure for users. While no scripts were explicitly extracted, the PDF structure and numerous external links strongly suggest it's designed to redirect users to malicious websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://mezovuduw.ru/wix?keyword=geometry+proportions+worksheet+pdf PDF link annotation
- http://tajevis.22web.org/colegio_calasanz_pereira_plataforma_acadmica.pdfIn PDF document text
- https://laxivaxof.weebly.com/uploads/1/3/0/8/130874385/3422264.pdfIn PDF document text
- https://jedopebo.weebly.com/uploads/1/3/4/8/134889916/5876260.pdfIn PDF document text
- https://dawirusopu.weebly.com/uploads/1/3/2/3/132303146/vapabisiboliroduj.pdfIn PDF document text
- https://libuxematofep.weebly.com/uploads/1/3/1/0/131070581/botetigawogesu-sigadagefevebiw.pdfIn PDF document text
- https://vijunefuk.weebly.com/uploads/1/3/4/5/134588972/5966573.pdfIn PDF document text
- https://xanusikufugab.weebly.com/uploads/1/3/4/3/134371049/6574631.pdfIn PDF document text
- https://xigakoter.weebly.com/uploads/1/3/1/3/131379919/tufonuwujo.pdfIn PDF document text
- https://xapotitiguwux.weebly.com/uploads/1/3/4/6/134668809/a1022ecafc323aa.pdfIn PDF document text
- https://pusavipesuxa.weebly.com/uploads/1/3/1/4/131406286/xarisikewewozin.pdfIn PDF document text
- https://vomilanusasapik.weebly.com/uploads/1/3/4/4/134478463/suzebojabo-junuxaluponaruk-zutikezu.pdfIn PDF document text
- https://puxodemidumez.weebly.com/uploads/1/3/5/3/135345879/tapakiwumaf.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/fd03c61c-2934-4e4e-80fc-c154dae0ec6c/kevusuvedotuparasesulig.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4becc713-d40e-40c2-aab8-f4887af6bdb6/medulalixujoranofosasoded.pdfIn PDF document text
- https://s3.amazonaws.com/ladojenefe/43569632230.pdfIn PDF document text
- https://s3.amazonaws.com/divikufifir/zodepipekeboka.pdfIn PDF document text
- http://joluvolob.epizy.com/husqvarna_chainsaw_455_rancher_troubleshooting.pdfIn PDF document text
- http://soxerufazele.rf.gd/what_is_the_best_oral_antibiotic_for_cellulitis.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ec1af639-19a9-4d1e-b96f-69c35a81a8b0/riwiwedilunu.pdfIn PDF document text
- https://s3.amazonaws.com/gezetega/11078772649.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ecf6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECF6 | 5328 bytes |
SHA-256: 9fe73370ce01138ad18bc08329f2c1e215a28a51f5bd28709acc171672ab0ecb |
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font_01_sfnt_off0000ff0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF0E | 11216 bytes |
SHA-256: e564ae5c3f52f0e34fee21dc27f47da46434eb8562b020983811611bd4ed7951 |
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font_02_sfnt_off00012529.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12529 | 16060 bytes |
SHA-256: b10e7a0583bf6b216a5471aeed10f14210f1dda3adb60ac5169fcb38ba12e60c |
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