MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The ML classifier and ClamAV detection strongly indicate this PDF is malicious, specifically identified as a phishing trojan. The PDF contains numerous links to disposable domains, suggesting a link farm designed to redirect users to malicious sites or phishing pages. While no scripts were explicitly extracted, the PDF structure and heuristic firings point towards a phishing attack vector, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
Heuristics 5
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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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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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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://srs-budapest.hu/uploads/files/80147090466.pdf In PDF document text
- http://bfcy88.com/uploads/files/51449456748.pdfIn PDF document text
- http://abwcolley.com/uploads/files/23741145148.pdfIn PDF document text
- https://agroadvanced.com/app/webroot/newsletters/editor/files/6503395158.pdfIn PDF document text
- http://kramnyca.info/img/upload/editor/file/fedepazin.pdfIn PDF document text
- https://joinvita.com/neu/userfiles/file/26586990116.pdfIn PDF document text
- http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/161345459d8ef1---fodibafavugudabaxel.pdfIn PDF document text
- http://855solution.com/htdocs/cljr/data/files/95498347049.pdfIn PDF document text
- http://hanstime.com/userData/board/file/25925005853.pdfIn PDF document text
- http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16134aef4a3b95---wuzunuru.pdfIn PDF document text
- https://kheops-so.fr/ckfinder/userfiles/files/difigawolelukinemifeni.pdfIn PDF document text
- https://incense888.com/uploads/files/202109081125386420.pdfIn PDF document text
- http://vitacanes.com/uploads/files/nelojomukezeradoxo.pdfIn PDF document text
- http://elateridae.com/images/FCKeditor/file/jazefitifulix.pdfIn PDF document text
- http://ceramvetro.net/userfiles/file/92218050411.pdfIn PDF document text
- http://maszyny.pl/userfiles/file/96943261877.pdfIn PDF document text
- http://www.ags-sib.ru/ckfinder/userfiles/files/pedopenofubalibezi.pdfIn PDF document text
- https://durimawar.com/contents/files/tifuwasesuka.pdfIn PDF document text
- http://alituncer.net/userfiles/file/sagetebi.pdfIn PDF document text
- http://client.diffuse.info/files/menasatetodizijokezobo.pdfIn PDF document text
- http://studiotecnicomancini.eu/userfiles/files/domizegenazugerolusiz.pdfIn PDF document text
- https://samajsutra.com/userfiles/files/75200194215.pdfIn PDF document text
- http://nachhilfeschule.havonix.com/ckfinder/userfiles/files/56637682021.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=asme+b31+1+pdfPDF 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_off0000d1aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1AA | 10284 bytes |
SHA-256: bf96d64df9b7d4ddd14df52814f0542b7f5d3bccabe1c8aeee1feb85861a52d3 |
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font_01_sfnt_off0000e8af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8AF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000100c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100C1 | 16888 bytes |
SHA-256: 2094a3d698ead043bd3f280b51f2ba8b3fc5dc96908b2498bdede27ce4ddefe2 |
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