MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file containing embedded JavaScript, which is a common technique for executing malicious code. It also features a link farm with multiple URLs pointing to other PDF files, indicating a potential phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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 http://nextgt.eu/uploads/file/6650212247.pdf In PDF document text
- http://msslink.ru/userfiles/files/28119535306.pdfIn PDF document text
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160752198b5615---50401712606.pdfIn PDF document text
- http://www.sport-konyv.hu/userfiles/file/gajuvavamiza.pdfIn PDF document text
- https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/e9fb7e25dd127b1347ca5fbf3286c4eb/kumogorasiwiz.pdfIn PDF document text
- https://sanidom.pl/img/file/41754197399.pdfIn PDF document text
- https://nhanloc.net/userfiles/file/jujutobijudobag.pdfIn PDF document text
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a7d6a7a90fe---xojulafenodibadanewagi.pdfIn PDF document text
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b4b20c78c3---seruliv.pdfIn PDF document text
- https://underworldgear.com/upload/users/files/zabegoxobivegerofez.pdfIn PDF document text
- https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/1dadfdaab574f75780709b5e641474ee/18772005652.pdfIn PDF document text
- https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/1608f7b67a8634---88065762999.pdfIn PDF document text
- http://swaminarayangm.org/userfiles/file/36684607395.pdfIn PDF document text
- http://akiyastyle.com/app/webroot/js/ckfinder/userfiles/files/29286708534.pdfIn PDF document text
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160afeec52c0e5---43086256026.pdfIn PDF document text
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/a7a9aa3731f21be8f96efa4c02ed8f6f/56347492093.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160826cfa7608d---wetabigobuviwenasuf.pdfIn PDF document text
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607a5e029a461---zugezenatenopurelut.pdfIn PDF document text
- http://myphamlulanjina.com/upload/files/36168546556.pdfIn PDF document text
- https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/ee09b941b044e8620b92261aaf6c0fa0/86652724316.pdfIn PDF document text
- http://chronocertif.com/userfiles/file/63959152266.pdfIn PDF document text
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086b9f9a864a---gexowilegireniwerem.pdfIn PDF document text
- http://hoanggiaphatland.com/uploads/image/files/jiwexiwisofezizuposak.pdfIn PDF document text
- https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/6997679dda325526cc6c6f27a07fdf1a/30890857767.pdfIn PDF document text
- https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160cddbddd69ed---sobowovatip.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=ionomero+de+vidrio+tipo+2+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_off0000be48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE48 | 17840 bytes |
SHA-256: 35330d8ffda7c8ed5e3c94cadd35c3154f981028373095783adb16a37ff127cd |
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font_01_sfnt_off0000ebaa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBAA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000103c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103C1 | 10420 bytes |
SHA-256: 9039264c5f94569031b394537043fa293c385f577d60302eb1a8780ddfa499b3 |
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