MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by a machine learning classifier and ClamAV as malicious, with heuristics indicating it acts as a link farm and a lure for invoices or payments. Although no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it is designed to redirect users to external sites, likely to download a second-stage payload. The presence of multiple unknown URLs indicates a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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 https://produccion.formacion2puntocero.com/ckfinder/userfiles/files/xededixutuso.pdf In PDF document text
- http://fuerst-architects.com/uploads/file/17465276195.pdfIn PDF document text
- https://tiemhoahaibara.com/data/dulieu/files/75487156375.pdfIn PDF document text
- https://kingcom.edesign.fr/gr33/web/uploads/assets/file/komapovuviwajok.pdfIn PDF document text
- http://holland-ex.com/images/blog/file/62726472709.pdfIn PDF document text
- http://thailaundry.com/imgUpload/files/gedezotupusitazezi.pdfIn PDF document text
- http://veterina-hrib.cz/user-uploads/files/romovenagapawuzevo.pdfIn PDF document text
- http://wrtour.com/FileData/ckfinder/files/20210901_B0E3E831D9F8C12C.pdfIn PDF document text
- https://www.hermanosvalerorecio.com/ckfinder/userfiles/files/jibaweridij.pdfIn PDF document text
- http://museodegliarazzimarsala.com/userfiles/files/92095670656.pdfIn PDF document text
- http://chiangmai-esc.net/user_img/files/47130818461.pdfIn PDF document text
- http://yavuzselimvakfi.org/resimler/site/files/vifosubif.pdfIn PDF document text
- https://cursosadistanciayonline.com/medios/files/lanalazulotoxizuzam.pdfIn PDF document text
- http://evo-models.com/uploads/userfiles/files/tugujetufivijigitegivob.pdfIn PDF document text
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ec7ebea72b---67980061921.pdfIn PDF document text
- http://jutaek.humenia.com/upload/userfiles/2021/10/files/211003160053.pdfIn PDF document text
- http://suchanekstomatolog.pl/files/file/vuduluzinimi.pdfIn PDF document text
- https://bhandarisurgical.com/ckfinder/userfiles/files/zitodilamelinafe.pdfIn PDF document text
- http://geologicatoscana.eu/userfiles/files/nezajalarekakalowirumola.pdfIn PDF document text
- https://e-tta.com/app/webroot/userfiles/files/wotetis.pdfIn PDF document text
- https://gestionarival.com/userfiles/file/42744867533.pdfIn PDF document text
- http://duz-drustvo.si/uporabnik/file/7980228017.pdfIn PDF document text
- http://cuacuonnhaxuongbinhduong.com/upload/files/jikaralupunago.pdfIn PDF document text
- https://asiapharma.la/files/files/78833711625.pdfIn PDF document text
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/2qeeee339j8p77eqoalpdjn19e/23715839392.pdfIn PDF document text
- https://grandiosieventinuziali.it/filesUploads/file/14105161639.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=total+loss+meaningPDF 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_off0000e56e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE56E | 18776 bytes |
SHA-256: 95e9b440cda7e686f6a677426659feec03de7dabb0299099e0d77f768671407e |
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font_01_sfnt_off00011729.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11729 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012f40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F40 | 10312 bytes |
SHA-256: 5c0fc203b0ac2d612eb09f0e76e9eb97f250404cd3a0b9599e17e9fd3bc7cd03 |
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