MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. The ML classifier and ClamAV detection strongly indicate malicious intent. The PDF also exhibits characteristics of a link farm, suggesting it's used to distribute further malicious content or phishing lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://szpitalstrzelin.pl/userfiles/files/25367684879.pdf In PDF document text
- http://yuanjiangchem.com/upload/files/9771269639.pdfIn PDF document text
- https://lmbri.com/WYSIWYGImage/file/kisuxozifevizazi.pdfIn PDF document text
- http://jadeite.ru/images/file/foxarimagoramotav.pdfIn PDF document text
- http://avrig35.ro/uploads/fck_editor/file/zejatisowebetagojubidi.pdfIn PDF document text
- http://airserbia2009.vs.rs/multimedia/file/73685412291.pdfIn PDF document text
- http://ourgans.org/userfiles/files/kulad.pdfIn PDF document text
- https://dolmalatrek.com/userfiles/file/82197334552.pdfIn PDF document text
- http://interel-rus.ru/test/sites/default/files/file/68188725971.pdfIn PDF document text
- http://ngocphuocjsc.com/public/default/ckeditor/files/biwevefagumesadububagebir.pdfIn PDF document text
- http://soloparamideco.com/js/new/fckeditor/userfiles/file/vuwozuvedo.pdfIn PDF document text
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/161421f46d4a11---xowotumezex.pdfIn PDF document text
- http://abarappresentanze.it/userfiles/files/kabut.pdfIn PDF document text
- http://livelyway.com/ckfinder/userfiles/files/67935281880.pdfIn PDF document text
- https://santchavarabed.in/ckfinder/userfiles/files/34734364560.pdfIn PDF document text
- http://sireny.net/share/files/80234000988.pdfIn PDF document text
- http://dulichtantai.com/files/uploaded/files/49602321597.pdfIn PDF document text
- http://labuchedeberce.fr/userfiles/file/51238691276.pdfIn PDF document text
- http://atel-j.nl/uploads/files/32910155255.pdfIn PDF document text
- http://clairerolo.com/userfiles/file/rowanutegobutew.pdfIn PDF document text
- http://9jamail.com/FCKeditor/editor/filemanager/connectors/userfiles/file/26513703229.pdfIn PDF document text
- http://sitarofindiamd.com/userfiles/file/91079301849.pdfIn PDF document text
- http://mp-hd.de/data/aktualnosci_imgs/file/jidukukaxaxafijofa.pdfIn PDF document text
- https://svarovanijelinek.cz/ckfinder/userfiles/files/xojilefafokuxe.pdfIn PDF document text
- http://www.juniorcollege.cl/ckfinder/userfiles/files/22308951093.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=myles+textbook+for+midwives+17th+edition+pdf+free+downloadPDF 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_off0000d51e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD51E | 11456 bytes |
SHA-256: 5b6bc13102af59f84b7905cb72eb708e001cca1473671a912719414756afb3bf |
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font_01_sfnt_off0000f003.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF003 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010815.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10815 | 17788 bytes |
SHA-256: 31215f2d73423f11a25ee3634d2d12611b855ee1cd9f2acc9903b80794292cf4 |
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