MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics as malicious, including a critical finding for linking to known malicious redirector infrastructure. The document contains a large number of embedded URLs, many pointing to disposable hosting, suggesting a link farm designed to direct users to potentially harmful sites. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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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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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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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=fender+blues+deluxe+reissue+tubes In PDF document text
- https://forilulan.weebly.com/uploads/1/3/1/4/131408022/3681426.pdfIn PDF document text
- https://valiwuvubeke.weebly.com/uploads/1/3/4/6/134694219/wagorufafurona-birova-vubidoxavuju.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4380382/normal_5fffb34315da6.pdfIn PDF document text
- https://wivupenoremew.weebly.com/uploads/1/3/0/7/130775018/9e3612518036c.pdfIn PDF document text
- https://goxapuvuf.weebly.com/uploads/1/3/2/7/132741714/7dc5ad498b8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4425772/normal_604d73a4272d9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490725/normal_6012dbdcbb6a2.pdfIn PDF document text
- https://kibapeti.weebly.com/uploads/1/3/4/5/134515129/rosaxizubowovef.pdfIn PDF document text
- https://gejilesiwurulu.weebly.com/uploads/1/3/4/3/134374779/dc0e3a8c1123.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374699/normal_6029756ef1141.pdfIn PDF document text
- https://bekodezu.weebly.com/uploads/1/3/1/8/131856725/vusil.pdfIn PDF document text
- http://mepamoso.sportsontheweb.net/balanced_scorecard_as_a_strategic_management_system.pdfIn PDF document text
- https://zoxopabetil.weebly.com/uploads/1/3/1/1/131163737/156e0b8.pdfIn PDF document text
- https://niwitibu.weebly.com/uploads/1/3/1/6/131636677/wezowukag_zimegoxonox_wigugidivudu.pdfIn PDF document text
- http://zulesaxeririv.sportsontheweb.net/biografia_anderson_silva.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://67dc9804-4028-4298-afd7-d431d2c16fe6.filesusr.com/ugd/559c84_600eaed61a194df3b77f76f1a79a24b6.pdf?index=trueIn PDF document text
- http://ziwemasux.myartsonline.com/open_source_music_appreciation_textbook.pdfIn PDF document text
- https://d8aee3b0-83ea-4a0d-b8f9-524a85b41d10.filesusr.com/ugd/105b34_f69694dd019d4ce6b2c6d65e8f615759.pdf?index=trueIn PDF document text
- http://mozutulobiris.onlinewebshop.net/xesetuzepu.pdfIn PDF document text
- https://ebd73b9a-b255-48a5-b781-2bd84b483b4c.filesusr.com/ugd/956c05_7de470ad472a49b79f0353cc132fa903.pdf?index=trueIn PDF document text
- https://acd80754-3b70-42c6-a60f-3489f6261da4.filesusr.com/ugd/f1780b_3be80accad53433ab55affce87485c24.pdf?index=trueIn 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_off0000ef1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF1D | 4772 bytes |
SHA-256: 072cccfb48db02e09c635945c250037504d0e13db7118ec3530564eadcdded34 |
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font_01_sfnt_off0000ff69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF69 | 10712 bytes |
SHA-256: ff6f9653ddf076f2e272ea3fb192b8bdfc55f198ec6bda4b165c35b7e2a2a3b5 |
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