MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many pointing to disposable hosting, and is flagged by ClamAV as Pdf.Phishing.Trojan. The primary malicious URL identified is https://botokaw.ru/strik, which is likely used to redirect users to malicious content or phishing pages. The document body, though heavily obfuscated, suggests a lure related to 'piano sheet music'.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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://botokaw.ru/strik?utm_term=river+flows+in+you+twilight+piano+sheet+music PDF link annotation
- https://cdn-cms.f-static.net/uploads/4391314/normal_6009e877b65d1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4406216/normal_601b3fb7d9f27.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4480155/normal_5feb0dad85a76.pdfIn PDF document text
- http://zuvalasit.mypressonline.com/pinuxufop.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4425784/normal_5fd088b38f35a.pdfIn PDF document text
- http://sefegusekepuxa.mypressonline.com/illustrator_reduce_file_size.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4486552/normal_5fcc1a50e87f0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4411919/normal_6024552d9723f.pdfIn PDF document text
- http://wowogobofomufu.mygamesonline.org/82855770702.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4425235/normal_606c83888b32d.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://4f65501f-cdae-4966-b9db-49b15ad9d196.filesusr.com/ugd/52b593_7dfa304d45ad4893bad8fc69b037425b.pdf?index=trueIn PDF document text
- https://f7cac2f2-528f-490f-9bef-cb2448a877de.filesusr.com/ugd/529ba0_0c7a2e01b0ba4824b98246402785fcd9.pdf?index=trueIn PDF document text
- https://61736296-a7da-4228-a4f2-5a582bd9a3aa.filesusr.com/ugd/1c12ee_f0e900e24f034e6ab303cd75c8fcc441.pdf?index=trueIn PDF document text
- https://e7e1611e-f78d-4dfd-b5ce-3be5f579732f.filesusr.com/ugd/4b76a6_f7fc3967522244cd8ac732f7e7a0673f.pdf?index=trueIn PDF document text
- https://dd7ee03d-3646-4e01-a1e1-4c0a7e2c9e57.filesusr.com/ugd/d7ba0f_2fbc219689de4996842a89529e7e49c5.pdf?index=trueIn PDF document text
- https://dda5c79a-a75d-44d9-a006-48dec3bfe172.filesusr.com/ugd/115d6e_8c2cd3fd5a63406f908f32a60fa0c36c.pdf?index=trueIn PDF document text
- https://55d63786-14d6-44de-84d0-33f1fb383c44.filesusr.com/ugd/45fd81_3a3e9d2cc8be41c7bfae98150a8c86f6.pdf?index=trueIn PDF document text
- https://54957a25-093b-4cbd-a4f0-8eb5fea931f0.filesusr.com/ugd/8ba634_efcc5ea0ee9c4d368ee5cef3b243a446.pdf?index=trueIn PDF document text
- http://jadivepijuga.myartsonline.com/nudiwobegesoleko.pdfIn PDF document text
- https://f3b8d348-8566-49c9-a9f8-a2c3b9e1bc8e.filesusr.com/ugd/f1c748_3c034d4a351f46aebb742da0cd1b728f.pdf?index=trueIn 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_off00014235.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14235 | 5572 bytes |
SHA-256: a9ccb4620d7e93532c1524962374f299a07ca719abc3ea47bd208702460d0de6 |
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font_01_sfnt_off0001551d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1551D | 11336 bytes |
SHA-256: a3880dc02a7fe26940abcac4e1692cc3af296668bb512135fdfe1ba6aa335dc4 |
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font_02_sfnt_off00017b63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17B63 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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