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, indicating a link farm or phishing attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and heuristic firings point towards a malicious document designed to redirect users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://vilenefex.ru/strik?utm_term=simplify+radicals+without+variables+worksheet PDF link annotation
- https://cdn-cms.f-static.net/uploads/4367646/normal_6059f151d706a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393359/normal_603d535037a10.pdfIn PDF document text
- https://xazujojupise.weebly.com/uploads/1/3/4/4/134493550/291323e580.pdfIn PDF document text
- https://kaxemesotom.weebly.com/uploads/1/3/4/7/134732336/6019983.pdfIn PDF document text
- https://xelixexojiga.weebly.com/uploads/1/3/4/1/134108676/8887004.pdfIn PDF document text
- https://fezadegijowazon.weebly.com/uploads/1/3/4/0/134096780/9b29fed.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4491410/normal_600c90bfc68dd.pdfIn PDF document text
- https://bejizasidofivi.weebly.com/uploads/1/3/4/2/134234705/beginikupufuzopabojo.pdfIn PDF document text
- https://jatilesaza.weebly.com/uploads/1/3/4/3/134316516/1060500.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://uploads.strikinglycdn.com/files/b1e23b46-2554-45ad-af81-720f5f3b59c3/verbos_regulares_en_ingles_concepto_y_ejemplos.pdfIn PDF document text
- https://s3.amazonaws.com/bovenotojitowe/10807586215.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ba2bc89f-55dd-4ce4-97ef-2fd4966819c5/wunifitobaxozafuzuja.pdfIn PDF document text
- https://s3.amazonaws.com/luramamelolem/how_to_cheat_on_gta_vice_city.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/53b5f6f1-3ad5-45b1-b91c-7345dcba0645/78436029650.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/baef7e95-140f-4a8f-9dc3-b171731ed203/how_to_fix_corrupted_database_on_ps4.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2357cbe6-a63a-40ef-914c-c415f6ac6739/libros_de_paulo_coelho_once_minutos_gratis.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4b794483-d442-4044-a6e6-d82c9dbf8e02/64124426696.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/eae7a13b-35d4-447d-a736-eb8d668b9c12/which_wall_to_paint_as_accent_wall_in_bedroom.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d9a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9A0 | 5732 bytes |
SHA-256: 68c84c3aa49af1674cbb48d70df214d1951e8c4fc17371d89f3e975c2da2dcc8 |
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font_01_sfnt_off0000ed33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED33 | 10276 bytes |
SHA-256: f37dea47c857dc71ce6ddb9eca0dcf1c9d06f075e9543c9b9c8a0f5825065671 |
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font_02_sfnt_off0001103c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1103C | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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