MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for delivering malicious content. It also contains numerous external links, many pointing to compromised websites or disposable hosting, suggesting a link farm designed to redirect users. The ClamAV detection and ML classifier strongly indicate malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 7
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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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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 https://dom4m.de/userfiles/files/jokilozezadojujilizuj.pdf In PDF document text
- https://cheeselicious.net/UserFiles/file/pofidumupep.pdfIn PDF document text
- https://cleanenergy.mn/uploads/files/61313011918.pdfIn PDF document text
- http://xn--365-pn7mwb654m2qn.com/ckupload/files/25374155880.pdfIn PDF document text
- https://karpzbeldowa.pl/uploads/userfiles/files/bijinegasunop.pdfIn PDF document text
- http://www.mueblesgamez.com/ckfinder/userfiles/files/8530163447.pdfIn PDF document text
- http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613863628bba1---razutizexaxurifo.pdfIn PDF document text
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1613567e9211d7---69637609586.pdfIn PDF document text
- https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/4a89bf241c8b496a8f92fbf46007cedf/fejetevabajozamozox.pdfIn PDF document text
- https://elsadaulte.com/ckfinder/userfiles/files/44394555018.pdfIn PDF document text
- http://lineshare.net/upload/files/20210902040510.pdfIn PDF document text
- https://kme.pl/global/app/webroot/uploads/file/1630669808266.pdfIn PDF document text
- https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/72e45c9f92343a7e10d0053ae9596c1d/1513122847.pdfIn PDF document text
- http://ck-buhgalter.ru/userfiles/file/16689802484.pdfIn PDF document text
- http://uzks.hr/upload/datoteke/73630334507.pdfIn PDF document text
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613534f87e15a---nozek.pdfIn PDF document text
- https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/15d0j8k443om7hvr0hrq14en54/pijitefage.pdfIn PDF document text
- http://duplisite.com/userfiles/file/63204837508.pdfIn PDF document text
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/8640e275dabe4bb829442d3f21fa6458/bowipuxawufol.pdfIn PDF document text
- http://ramseier-appenzell.ch/elrada/js/ckfinder/userfiles/files/gawuxesure.pdfIn PDF document text
- http://lactopad.com/uploads/files/welugobegeso.pdfIn PDF document text
- https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613372495d3c8---zopisadodekef.pdfIn PDF document text
- http://lynhuagiasi.com/Images_upload/files/ruzupagelilufe.pdfIn PDF document text
- https://negaratoto.com/contents/files/27061493369.pdfIn PDF document text
- http://rama-sp.com/rama/webroot/js/ckfinder/userfiles/files/bezaridutesida.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=eichmann+trial+transcript+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_off0000b9fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB9FE | 16572 bytes |
SHA-256: b4100a27f7ba880e5d3399d43e942766e211a36f3d6bc5b1108675c74fb1f47f |
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font_01_sfnt_off0000e4f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4F6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fd0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD0D | 10616 bytes |
SHA-256: d3e2af1ea67980d9dc1694dfd958742c4b7d45aa015cd0a8da361e7149ebc49c |
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