MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to compromised websites and disposable hosting, likely to lure users to malicious content. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/21b1287a1a684fa1490d50577b9e1eef/15528251013.pdf In PDF document text
- http://hanasushi6.com/uploads/files/46518157087.pdfIn PDF document text
- http://xaydunghoangthanh.com/img_duhoc/files/55497168422.pdfIn PDF document text
- http://quiltingacademy.com/fckeditor/userfiles/file/32053648089.pdfIn PDF document text
- http://ebd.su/UFD/7623/files/nexovabodutejunopadu.pdfIn PDF document text
- http://alibabashipping.com/userfiles/file/vesusigatig.pdfIn PDF document text
- https://speedwayinfo.hu/uploads/file/50854909242.pdfIn PDF document text
- http://colorsoftexas.com/ckfinder/userfiles/uploads/84156491201.pdfIn PDF document text
- http://ansatrans.ru/admin/ckfinder/userfiles/files/kakokosetilosafatalir.pdfIn PDF document text
- http://vishwkarmaenterprises.com/webroot/img/userfiles/files/36620609867.pdfIn PDF document text
- http://veszpremkosar.hu/_user/file/89038320944.pdfIn PDF document text
- https://urologasdainys.lt/userfiles/file/mepewulo.pdfIn PDF document text
- https://onutglen.com/caningest/images/file/6964654527.pdfIn PDF document text
- https://accesoriosalmayor.com/images/userfiles/file/83432474883.pdfIn PDF document text
- https://alistairmills.com/ckfinder/userfiles/files/vuguza.pdfIn PDF document text
- http://circolosilverblufitnessclub.eu/userfiles/files/50243272991.pdfIn PDF document text
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135729a7bf06---sajumebiduk.pdfIn PDF document text
- http://www.sosonomo.com/ckfinder/userfiles/files/62716409291.pdfIn PDF document text
- https://ls-machinery.com/uploadpic/files/202109090507223928.pdfIn PDF document text
- https://silverstonedevelopments.com/ckfinder/userfiles/files/67789543520.pdfIn PDF document text
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161356d2f3ad57---65126147369.pdfIn PDF document text
- https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/d046d925b4a7a985586fefcde2671e41/xobekodumivumukijapu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=best+walli+wallpapersPDF 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_off0000baf9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBAF9 | 10160 bytes |
SHA-256: 12f66a06e8f2a83b0ae80fd31f55be8081269fc290be04ab0edf28a3922633e6 |
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font_01_sfnt_off0000d1f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1F2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ea04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA04 | 16132 bytes |
SHA-256: ff4e948b503ca69601c1d0adb442f01a95c83aa1d79e42f95e001d8370060fd4 |
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