MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file detected as malicious by ClamAV and an ML classifier. It contains embedded JavaScript and a large number of external links, many pointing to disposable domains, suggesting a phishing or malware distribution attempt. The presence of JavaScript indicates an attempt to execute code within the PDF viewer.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 http://quangcaosms.org/media/ftp/file/38594261453.pdf In PDF document text
- https://bdata.vn/upload/files/96799170192.pdfIn PDF document text
- http://carshopm.com/js/upload/files/14722060252.pdfIn PDF document text
- https://clubberia.com/js/ckfinder/userfiles/files/11845545197.pdfIn PDF document text
- http://digivideos.net/ckfinder/userfiles/files/voselosonivipixajok.pdfIn PDF document text
- http://chinamakina.com/userfiles/file/36948811227.pdfIn PDF document text
- http://ugyvednok.hu/userfiles/file/83653567681.pdfIn PDF document text
- http://coreaad.com/DreamDataUpload/file/nowepaduweguxumubum.pdfIn PDF document text
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/t2rco6eg5ro4kps3qgd1n5cupg/waxemotaxativeko.pdfIn PDF document text
- http://www.s-prom.si/fileupload/file/gaxafekopinuromaxigepav.pdfIn PDF document text
- https://zegaoyun.com/calisma2/files/uploads/gajatafulipogemitug.pdfIn PDF document text
- https://consultingexpert.eu/fckeditor/userfiles/file/47698727685.pdfIn PDF document text
- http://vevo.keresztessyoptika.hu/elemek/file/xivav.pdfIn PDF document text
- http://shesob.com/file/files/miboranazek.pdfIn PDF document text
- http://jedzenie365.pl/ckfinder/userfiles/files/20518005004.pdfIn PDF document text
- http://toflight.mobi/attachment/ckeditor/files/c48901c110beb29d791088e4edba9680.pdfIn PDF document text
- http://xtra360.net/campannas/file/86093411316.pdfIn PDF document text
- http://rydelko.eu/userfiles/file/23014587114.pdfIn PDF document text
- https://beldapin.com/calisma2/files/uploads/jimaf.pdfIn PDF document text
- https://signos.larrialdiak.es/files/galeria/files/jutipow.pdfIn PDF document text
- https://toliveinchristjesus.ceosale.catholic.edu.au/application/third_party/ckfinder/userfiles/files/fatejubokolaziz.pdfIn PDF document text
- https://www.singaporemedicalclinic.com/ckfinder/userfiles/files/xuwob.pdfIn PDF document text
- http://style4.allwebeasy.com/userfiles/files/gopokele.pdfIn PDF document text
- http://fine-trading-knotwork.com/uploads/media/20457555081.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=punch+hero+download+mod+apkPDF link annotation
- 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_off0000bf35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF35 | 16324 bytes |
SHA-256: adf9ae0408c5b2785d5af0a6aeafa9fa01e541df3876888c91bef7a51203f72d |
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font_01_sfnt_off0000e924.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE924 | 10700 bytes |
SHA-256: c330310c6b1959023983ae241d3e690d8cf8e83a2b528f4295013811da354647 |
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font_02_sfnt_off00010186.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10186 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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