MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external links, many pointing to compromised WordPress sites. These links form a link farm, a common technique used to obscure malicious destinations and potentially distribute phishing content or malware. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://majubesar.org/contents/files/27169714784.pdf In PDF document text
- https://www.multilandtours.com/assets/ckfinder/userfiles/files/madajotes.pdfIn PDF document text
- http://franzoesischebulldoggen.eu/userfiles/file/zivefoguvisixeko.pdfIn PDF document text
- https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/15d622b8207c8432e6a9e11a0b1e0c9a/55051965481.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613300930d225---12170397010.pdfIn PDF document text
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613662b1d7447---58939426726.pdfIn PDF document text
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135b272bc035---15085030930.pdfIn PDF document text
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/q6bc7t9eb1ou7caos3oc3vovl9/61365906447.pdfIn PDF document text
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/20ed9aceb81eb8b4938dfaf66cac171b/70495641217.pdfIn PDF document text
- https://kitapkaplama.com/upload/ckfinder/files/perasukodamadadoz.pdfIn PDF document text
- http://train-in-japan.com/images/blog/file/39388046859.pdfIn PDF document text
- https://rimsball.com/ckfinder/userfiles/files/gilasupijarefosuzalaniv.pdfIn PDF document text
- https://valve-toho.com/userfiles/file/xikedomelofilasiteja.pdfIn PDF document text
- https://lawtutors.co.uk/js/ckfinder/userfiles/files/76987270346.pdfIn PDF document text
- http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613726c9d16da---28261968897.pdfIn PDF document text
- https://fishboat.hr/files/78707876586.pdfIn PDF document text
- https://autopsrus.aerovents.com/ckfinder/userfiles/files/duwesejoguxozodorugotub.pdfIn PDF document text
- http://cnwt.mgo.cool/upfile/files/2021/09/08/nunenubovego.pdfIn PDF document text
- http://siblom.ru/files/upload/file/92248559615.pdfIn PDF document text
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1613924c796599---konujixaki.pdfIn PDF document text
- https://unitedfightalliance.jordanadams.com/ckfinder/userfiles/files/56619218009.pdfIn PDF document text
- https://tessuno.com/upload/files/6139929c63851.pdfIn PDF document text
- http://vit-physio.de/file/busovuvevavij.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=the+personal+mba+pdf+free+downloadPDF 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_off0000df9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF9D | 17620 bytes |
SHA-256: 52eb7e5af75f9a81ee60dea98bf917c2f7f279939edba722e97319fbc2183c7f |
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font_01_sfnt_off00010d98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D98 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000125af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125AF | 10760 bytes |
SHA-256: 72346beccacae00a657b9e7661565aed25eaed1befada40ca5c133ee0731912e |
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