MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript and multiple external URIs, with a high ML classifier score and ClamAV detection indicating maliciousness. The heuristic 'SE_PAYMENT_REDIRECT_LURE' strongly suggests a business email compromise (BEC) or phishing attempt related to financial transactions. The embedded JavaScript likely facilitates the redirection to a malicious payload or phishing page, and the numerous unknown URLs indicate a link farm designed to obscure the final destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LUREDocument describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise 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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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://3e3i.com/UserFiles/file///47551198370.pdf In PDF document text
- http://detaycopymatbaa.com/userfiles/file/2565556743.pdfIn PDF document text
- https://optical-axis.com/uploads/files/202109301555187774.pdfIn PDF document text
- http://fashionflutters.com/ckfinder/userfiles/files/fujoteg.pdfIn PDF document text
- http://gsemilia.it/userfiles/files/45024777894.pdfIn PDF document text
- http://volvo-cars.jp/js/upload/files/50135274457.pdfIn PDF document text
- https://srccaa.bdbabymart.com/app/webroot/ckfinder/userfiles/files/38724792431.pdfIn PDF document text
- http://banglatalkies.com/dynamic-images/cms/file/10871752074.pdfIn PDF document text
- https://gdaniec.com/upload/files/ziwadolux.pdfIn PDF document text
- https://stollerco.com/testingsites/advantage_aviation/assets/media/file/25949391201.pdfIn PDF document text
- https://agri-mal.pl/userfiles/file/nitusomikegi.pdfIn PDF document text
- http://kusistoconstruction.com/userfiles/file/jozobotevadizof.pdfIn PDF document text
- http://schule.havonix.com/ckfinder/userfiles/files/jujisikexapapetomedi.pdfIn PDF document text
- http://euro-ex.com/images/blog/file/xaroxemuzes.pdfIn PDF document text
- http://lokalsport.no/userfiles/file/puwel.pdfIn PDF document text
- http://soosanfix.com/upload/fckeditor/file/jufopefasesogoxodalawevi.pdfIn PDF document text
- http://rs-entp.com/upload/file/wajegepofi.pdfIn PDF document text
- http://zzzwchem.com/upload/files/dogevedonifebuwoze.pdfIn PDF document text
- http://burattinojatek.hu/userfiles/file/89723777883.pdfIn PDF document text
- https://martan.es/cenavarra_userfiles/files/sodifovuwafa.pdfIn PDF document text
- https://apexsafetyproducts.com/ckfinder/userfiles/files/5955455584.pdfIn PDF document text
- http://wahluenfty.com/userfiles/wizopevobesepim.pdfIn PDF document text
- http://xlpe.net/Images_upload/files/fojitefo.pdfIn PDF document text
- http://klasykarozrywki.pl/public/images/fck/file/pizesirulofilejowozap.pdfIn PDF document text
- http://budoprojekt.eu/obrazy/file/rezexagebutokudolej.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=how+to+turn+off+screen+time+with+passcodePDF 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_off0000cb60.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB60 | 11016 bytes |
SHA-256: 7103cda65e1de2425e3ea6f6568143117442a75d886df48274e275058b4f9c22 |
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font_01_sfnt_off0000e4d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4D5 | 17240 bytes |
SHA-256: 67ed5f17812fee75bca6289a338f9293fa7789af30832205e5b7ab95cf6a542a |
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font_02_sfnt_off00011175.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11175 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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