MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, indicating a phishing or redirection attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded JavaScript likely facilitates the redirection to malicious sites, as evidenced by the PDF_URI heuristic.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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 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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://pistant.ru/uplcv?utm_term=sync+text+messages+to+new+phone PDF link annotation
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613a7beb93b42---domagasab.pdfIn PDF document text
- https://didacostruzioni.it/userfiles/file/jokozavukawisite.pdfIn PDF document text
- https://sofahatinh.com/upload/files/37455735529.pdfIn PDF document text
- http://harryreichert.de/uploaded_pics/News/file/55965682462.pdfIn PDF document text
- http://prabashproperties.com/ckfinder/userfiles/files/gituda.pdfIn PDF document text
- http://rosesrealtyhomes.com/userfiles/files/12608406371.pdfIn PDF document text
- http://www.puhito.hu/uploads/jemuvojedulubinabotunom.pdfIn PDF document text
- http://xn--3bsx3iw22bmot.com/filespath/files/20210910094833.pdfIn PDF document text
- https://houstoncoinshow.org/FCKeditor/file/buloluwebapefupodowi.pdfIn PDF document text
- http://erdbau-rauch.at/70936205478.pdfIn PDF document text
- http://dorp.pl/userfiles/files/vusazebijukirapumiwej.pdfIn PDF document text
- https://clubberia.com/js/ckfinder/userfiles/files/tugabetotozezule.pdfIn PDF document text
- http://519pf.com/userfiles/files/68763718215.pdfIn PDF document text
- http://xn----9sbkvfu2aex3d.xn--p1ai/ckfinder/userfiles/files/63542754312.pdfIn PDF document text
- http://harasim.cz/uploaded/files/91571717755.pdfIn PDF document text
- http://moiarchitekci.pl/pliki/file/8022714384.pdfIn PDF document text
- https://infrapanel-alegjobbfutes.hu/userfiles/file/wirugolojolili.pdfIn PDF document text
- https://congnghiepxd204.vn/upload/files/wunafip.pdfIn PDF document text
- http://1night2day.com/ckupload/files/goferonuwajexobokuzedevub.pdfIn PDF document text
- http://rotarycochinharbour.org/ci/userfiles/files/wovifamerorefavesite.pdfIn PDF document text
- https://stgeorgedentalcare.in/ckfinder/userfiles/files/7132149830.pdfIn PDF document text
- https://rcvizovice.cz/ckfinder/userfiles/files/95224613144.pdfIn PDF document text
- http://sinoscaform.com/upload/ckimg/files/202109060903051673.pdfIn PDF document text
- http://health-bridge.in/upload/file/rexiju.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d343.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD343 | 16840 bytes |
SHA-256: 7c17884d4fade69ee1fd9607ab5b68a6c706541e3563aa4a32258d504d728b65 |
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font_01_sfnt_off0000feb6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEB6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000116cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116CD | 10960 bytes |
SHA-256: 87ad15652ceb7adfaf40878c2014ef7cdb7ee4255309460dfc349a116d927ffd |
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