MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains numerous embedded URLs, with a high-risk heuristic flagging it as a link farm on disposable hosting. The document body, though heavily obfuscated, contains text related to 'let it go piano with letters' and authoring application details, suggesting a lure for users interested in music, which is then used to redirect them to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 5
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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 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://nomylo.ru/pbw?utm_term=let+it+go+piano+with+letters PDF link annotation
- https://xotinibawilufo.weebly.com/uploads/1/3/1/4/131437660/maripasi_lojozowofesog_lepemiwupudixa.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4457279/normal_6065ac0608681.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4377931/normal_60ba5971b7a54.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403959/normal_603c7e122904b.pdfIn PDF document text
- https://lotuliwupufak.weebly.com/uploads/1/3/4/8/134873452/8695177.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420939/normal_60489088420ae.pdfIn PDF document text
- https://rafafokisot.weebly.com/uploads/1/3/4/7/134738004/9732a3b2.pdfIn PDF document text
- https://zurowovilotupe.weebly.com/uploads/1/3/4/3/134329893/56b8e64ddc13.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368504/normal_602105897fb2b.pdfIn PDF document text
- https://losulojer.weebly.com/uploads/1/3/0/7/130739206/3370782.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/bb3cf5c3-0748-4375-84b9-a06d050ea28b/hot_blast_wood_furnace_1557m_parts.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e4719140-b145-4ea0-8374-b4a02ca3dc3a/nowajajakeje.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a6edf329-7bfb-4b50-9348-b72fe2bbad56/napudojekaril.pdfIn PDF document text
- http://vesusezipuwe.pbworks.com/f/lenovo_g50-70_touchpad_driver_windows_8.pdfIn PDF document text
- http://risanafupek.pbworks.com/w/file/fetch/145091178/avatar_the_promise_online.pdfIn PDF document text
- http://rupuker.pbworks.com/f/pidagebopekodebidaz.pdfIn PDF document text
- http://risoxef.pbworks.com/w/file/fetch/144466761/numupujawugotoson.pdfIn PDF document text
- http://gatasulupu.pbworks.com/w/file/fetch/144758343/acls_provider_manual_2020.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/191a2b18-08e3-478d-8d18-cb5246fe021a/what_is_enthalpy_meaning.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2894309a-fc4f-4703-85fe-9383f3c67433/sovusokowuma.pdfIn PDF document text
- http://tazijebep.pbworks.com/f/91587205795.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_off0000f156.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF156 | 5116 bytes |
SHA-256: 7f66719e1638b43e29883df88270dbc428a8735d55d1a6f76818435aeb1df716 |
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font_01_sfnt_off000102cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102CC | 11692 bytes |
SHA-256: fa5062e61885c87cb814bf4cdc2a06db4036682dc584f4795e6c0d82fe0273d5 |
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