MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, masquerading as sheet music, which is a common lure for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of external URIs and a link farm suggests the document's primary purpose is to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://ponafet.ru/strik?utm_term=la+la+land+city+of+stars+piano+sheet+music+free PDF link annotation
- https://cdn-cms.f-static.net/uploads/4391008/normal_604d122a2e02b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4466675/normal_6028198a17adf.pdfIn PDF document text
- https://fezojeme.weebly.com/uploads/1/3/4/6/134614855/3284430.pdfIn PDF document text
- https://kumevilowe.weebly.com/uploads/1/3/4/5/134598600/8076243.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4471719/normal_5ffc688da0264.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412908/normal_605232291d64d.pdfIn PDF document text
- https://lomagifotoji.weebly.com/uploads/1/3/0/8/130814873/rakiz-gijog-kodigutarugo-sogisun.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485569/normal_601835d1a8b96.pdfIn PDF document text
- https://modagifamu.weebly.com/uploads/1/3/5/3/135341464/sixasanok-wuzitiwerud.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421970/normal_602a85c364bcf.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4384318/normal_5ff5df0eb831c.pdfIn PDF document text
- https://kurasapar.weebly.com/uploads/1/3/4/9/134902571/5125584.pdfIn PDF document text
- https://varovofuzurido.weebly.com/uploads/1/3/4/5/134598094/bumiso_rituximi.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/a3319416-efaf-463e-adfd-dbfde49137d2/pawarabiked.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2735cf0b-6c09-4439-ad53-173e4a63ffcd/nonavisavotizof.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/27c8f83d-6d60-4a93-ad8e-debd4fe0e12b/88889715202.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b7e078c5-d24a-498f-bc68-7ab67a708b60/construction_company_profile_template.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2df3b0f0-faa6-4409-a0d9-5832acbaa5f6/65130535621.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0d7383dd-9866-44e6-b5eb-cc05a1a821c4/how_to_put_a_hard_return_in_an_excel_cell.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_off0000e3ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3AE | 5436 bytes |
SHA-256: 4277d6f32ba0b9ca54a171547516196209baa1cc9ed6dc61f334a3384907e343 |
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font_01_sfnt_off0000f613.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF613 | 10640 bytes |
SHA-256: 9887b49c39da96c7a898829c36f848761b756cad0298629c7044b75aac107f8d |
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