MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for exploiting vulnerabilities or redirecting users. It also includes numerous external URIs, many of which point to potentially malicious PDF files hosted on various domains, suggesting a link farm or distribution network. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9969
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://www.ernakulamarchdiocese.org/www/js/ckfinder/userfiles/files/piweporewokowu.pdf In PDF document text
- https://poolpoint.be/uploads/file/jimivaxobovesita.pdfIn PDF document text
- http://www.feniuniversity.edu.bd/app/webroot/ckfinder/userfiles/files/82353806690.pdfIn PDF document text
- https://takitech.hu/userfiles/file/32819110096.pdfIn PDF document text
- https://selispin.net/calisma2/files/uploads/gabemezobusitoxexuxewera.pdfIn PDF document text
- http://stmrcstvm.com/userfiles/file/7072680916.pdfIn PDF document text
- http://ban-dong-ban-mat.theonejsc.com/userfiles/file/18771229092.pdfIn PDF document text
- http://heatherjansch.com/ckfinder/userfiles/files/mubik.pdfIn PDF document text
- https://svenjakretschmer.com/ckfinder/userfiles/files/85881530932.pdfIn PDF document text
- http://p-itos.net/admin/userfile/image/file/tepem.pdfIn PDF document text
- http://www.azurwelcomeservices.com/userfiles/file/35298509896.pdfIn PDF document text
- http://brandweeramsterdamamstellanden.nl/userfiles/file/53605491239.pdfIn PDF document text
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1615348ba46e7c---34760934864.pdfIn PDF document text
- http://biosystech.com/pdsFck/file/44546991587.pdfIn PDF document text
- http://x04ydivan.ru/userfiles/file/zogibet.pdfIn PDF document text
- https://grandplaza.bg/uploads/assets/file/bagojefobenesaroge.pdfIn PDF document text
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613b1ccc35789---walijudibavifudogedonef.pdfIn PDF document text
- http://klenderbio.com/upload/files/35047030685.pdfIn PDF document text
- http://thietbiantoanttk.com/uploads/files/fujukitopusipetawa.pdfIn PDF document text
- http://albarossa.jp/js/upload/files/ditituxodenogaxeza.pdfIn PDF document text
- http://jinistudy.com/_UploadFile/Images/file/60753279148.pdfIn PDF document text
- http://tulga.ru/editor/files/30364060543.pdfIn PDF document text
- http://chiari-web.com/ckfinder/optimist/files/82160340375.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+add+a+constant+value+to+a+column+in+excelPDF 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_off00010ea4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EA4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000126b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126B6 | 19920 bytes |
SHA-256: 83a1fa6d1e9b48549c2fd48a7bd3bd701d0799ccb20808f9d7aa294e05ba828b |
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font_02_sfnt_off00015b0c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15B0C | 10776 bytes |
SHA-256: 2814c1f662b48c20229df7b8a6635c3809a6eb364c8ca951f8f2e93533fe6dc5 |
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