MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is a PDF identified as malicious by ML classifiers and ClamAV. It functions as a link farm, containing numerous URLs pointing to compromised WordPress upload directories and other disposable hosting. These links likely serve to redirect users to malicious content or phishing sites, aligning with a spearphishing attachment attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a16ac1d3744---80588512376.pdf In PDF document text
- http://shamayachts.com/upload/file/95569837519.pdfIn PDF document text
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fb5a77d3c38---2099514722.pdfIn PDF document text
- http://meble-tk.pl/userfiles/file/49498495916.pdfIn PDF document text
- https://ever-progress.dacola.com/upload/files/zaxubo.pdfIn PDF document text
- http://brandweeramsterdamamstellanden.nl/userfiles/file/wezidopekuwumasonuwidep.pdfIn PDF document text
- http://bellina.pl/userfiles/file/wirunuso.pdfIn PDF document text
- https://capitalsyndic.com/userfiles/file/19875570768.pdfIn PDF document text
- https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/e936056ff1c105015b5075b2e089830a/47797896677.pdfIn PDF document text
- http://www.insight-assessment.com/ckfinder/userfiles/files/loxadigokelakudoritemunot.pdfIn PDF document text
- https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/6117c3eb1cfa8848b49d164a4feaea3c/dixepuwizugiwutefuxepol.pdfIn PDF document text
- https://theloneranger.tv/clients/loneranger/ckfinder/userfiles/files/tuwut.pdfIn PDF document text
- http://applexin.com/ttpsea/files/file/20366266251.pdfIn PDF document text
- https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/81afe7d729ff86b1c51abc95a2be0553/virigexiw.pdfIn PDF document text
- https://seataclighting.com/wp-content/plugins/super-forms/uploads/php/files/77b48e5d81bdba79ce1170272d65014c/56734992630.pdfIn PDF document text
- http://maxidmum.com/images/upload/fck/file/kapubo.pdfIn PDF document text
- https://tmtteks.com/files/lamurudobitowiwej.pdfIn PDF document text
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160be4d5ed89c7---nogowo.pdfIn PDF document text
- http://kondicionery-ivanteevka.ru/upload_picture/file/39198525110.pdfIn PDF document text
- https://terravistahometeam.com/wp-content/plugins/super-forms/uploads/php/files/fe05a97991f8c9e6f5e0808f9d9e0dd1/30855907157.pdfIn PDF document text
- http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/160b324483d602---2574343055.pdfIn PDF document text
- https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/bf27252ae1c4ddfa122a0621de4d3ad0/tugemilowonifemokevum.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160879d3544c74---86172951092.pdfIn PDF document text
- http://hncastlecable.com/d/files/61393027002.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=another+word+for+came+aboutPDF 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_off0000c081.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC081 | 16100 bytes |
SHA-256: 74d948c71b2af90daa4f75bdfc2fd30f6ba0c2ecaf1be51d3399ffde9f33b90b |
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font_01_sfnt_off0000e97a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE97A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010191.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10191 | 10740 bytes |
SHA-256: fc1690a0cab126c8b6dab8dd05df497dea639201880957638d9aece28f1ee655 |
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