MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URL that leads to a domain known for distributing malicious content. The document body, though heavily obfuscated, suggests a lure related to 'Presente simple reglas' (Simple present rules), likely a pretext to entice users to click the malicious link.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 4
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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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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://trafffe.ru/strik?utm_term=presente+simple+reglas PDF link annotation
- https://cdn-cms.f-static.net/uploads/4377379/normal_5f8f016799731.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408180/normal_5fb32117620b2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369191/normal_5fae2b0245d1b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365642/normal_5f8705f2efd53.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446168/normal_5fb275a2d9c59.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/aaa1c798-ede8-4634-8518-81dc1676dbae/libro_el_caballero_dela_armadura_oxidada.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/87824894-5825-47b9-85b5-fd90ae6707ce/ridoxarudixabaguxex.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d9f002d6-10d2-438c-9e1f-568509c6cc15/41599814130.pdfIn PDF document text
- https://s3.amazonaws.com/vuzotisenixava/28431484926.pdfIn PDF document text
- https://s3.amazonaws.com/fovezewi/cinquenta_tons_de_cinza_online.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c673b13c-1ea4-48ed-ac06-b7a5c6970576/chemistry_atoms_first_3rd_edition_pd.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_off0000c9fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9FD | 5140 bytes |
SHA-256: 43d7679e2dcbd00cd072b8030bae7272a1dc2c0b22b65f608fb74d48040ffa49 |
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font_01_sfnt_off0000db5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB5B | 10788 bytes |
SHA-256: 9459b56ed066e393d1e13ee4b34e0a45e0be875c9c940aa862e35c42c9663d18 |
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