MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a critical heuristic firing for linking to known malicious redirector infrastructure, specifically 'https://dafemum.ru/strik'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external PDF links. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution.
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://dafemum.ru/strik?utm_term=what+are+the+3+branches+of+earth+science In PDF document text
- https://cdn-cms.f-static.net/uploads/4377098/normal_605a55cb474c0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381544/normal_605ff92d6e40b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409093/normal_604d305dc07eb.pdfIn PDF document text
- https://wizejuxexena.weebly.com/uploads/1/3/4/6/134655833/litasofo_fugajuneme_kijujezibup_wezixugomaripo.pdfIn PDF document text
- https://wivupenoremew.weebly.com/uploads/1/3/0/7/130775018/fagikusozitosonubun.pdfIn PDF document text
- https://dukagalirizaz.weebly.com/uploads/1/3/1/8/131856141/19951.pdfIn PDF document text
- https://kirurivujet.weebly.com/uploads/1/3/1/4/131437430/tetojew.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/a2be1bb0-c2a6-4513-b555-1ab3dc4a7d4e/how_to_direct_heat_from_fireplace.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8ce7c8b0-25ce-451f-9e8c-5915b1c438bd/gesorofoloxesisiw.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2b950f10-a96c-4f97-9e4e-705dfb3cf629/deligemulovod.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cf3609c6-8d44-456f-8d39-3cecaf96f918/xipaliworanuwoxivagagened.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b9655827-5b9f-4a25-bc83-9846f27664fd/paulo_coelho_books_love.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f92f6a29-3011-4152-a1b6-6c6c67025ecc/podofomiwonebopekulovexo.pdfIn PDF document text
- https://s3.amazonaws.com/dazovosugev/how_to_change_date_and_time_on_amano_pix-55.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/153302da-b36d-49e2-84a2-b16c54ec987e/complete_subject_and_predicate_worksheet.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/816a35aa-17cd-4205-a266-21279f6c671e/refagigagojowogo.pdfIn PDF document text
- https://s3.amazonaws.com/purawuma/formal_commands_spanish_jugar.pdfIn PDF document text
- https://s3.amazonaws.com/kovezodepugov/conformacion_de_los_bloques_capitalistas_y_socialistas.pdfIn PDF document text
- https://s3.amazonaws.com/moduluzuxikari/best_outdoor_survival_knives.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a698b704-fc11-4688-9e98-d74d54c7b244/newakodabamumusoboziloji.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_off0000f7ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7FF | 5044 bytes |
SHA-256: 5a7fae940fb4a4c2f130cc3145960c121c10b7e54822f26c57493eaee3c44053 |
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font_01_sfnt_off0001091f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1091F | 10748 bytes |
SHA-256: 46f77e8d30e13a0db800ead446f9e4f19044709ddd26dc4c864ece1c0c99bd9b |
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font_02_sfnt_off00012da2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DA2 | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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