MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing operation. The primary URL, https://lozipotod.ru/strik?utm_term=feliz+navidad+piano+sheet+music+advanced, is likely a lure to a malicious site. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://lozipotod.ru/strik?utm_term=feliz+navidad+piano+sheet+music+advanced PDF link annotation
- https://static.s123-cdn-static.com/uploads/4368985/normal_5ff452487422a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4420764/normal_5feb07f1d892c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4414868/normal_5fda3bbb5264a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4491152/normal_6032565f54f09.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426687/normal_5fd62b88613a9.pdfIn PDF document text
- https://luwiritogejoti.weebly.com/uploads/1/3/4/2/134266422/nukeb-jibeb.pdfIn PDF document text
- https://bopilopuneliniw.weebly.com/uploads/1/3/5/3/135304065/a28f26cd49e890.pdfIn PDF document text
- https://zedazepofa.weebly.com/uploads/1/3/0/9/130969939/5563777.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381766/normal_606b2a7bbfdc7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4386834/normal_60357ebc39434.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4367940/normal_5ff29d64ccf0d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4448746/normal_60608ae72ed4b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369651/normal_600f4883116d9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4389585/normal_603b2d59f144e.pdfIn PDF document text
- https://zizojatemizowen.weebly.com/uploads/1/3/4/0/134016780/90af6cc3d3b86.pdfIn PDF document text
- https://verikadofaja.weebly.com/uploads/1/3/2/3/132303102/7235710.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421339/normal_6062005327b3c.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/74b028c5-d3e0-4f6f-b53e-c624f292c0e5/what_is_the_best_country_to_retire_to.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e58c1de7-b6e6-4873-9096-effc2ed980dd/ps3_controller_rechargeable_battery_pack.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/72a408db-a19e-419a-8445-1cc1e02169d5/dajitezen.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_off0001457a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1457A | 5284 bytes |
SHA-256: d334972dbf62d9f84e49ada334c770a393b0a897f5f4ac5340becc889b75983a |
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font_01_sfnt_off00015760.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15760 | 12720 bytes |
SHA-256: 48881cf985c86babf30fb28f5510b8f8ddeb7dd9a7d601881dc21f519d4c8758 |
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