MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains embedded JavaScript and a large number of external URIs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users. The embedded JavaScript likely facilitates the redirection or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://ssteelelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/28037369948.pdf In PDF document text
- http://coutleelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kimawaburutezaju.pdfIn PDF document text
- http://greenlivinggarden.com/htdocs/UserFiles/file/xogepovof.pdfIn PDF document text
- https://1snrpaulista.com.br/ckfinder/userfiles/files/fejigivepubelakij.pdfIn PDF document text
- http://coimbrasoftware.hu/images/uploads/files/panoxizabugoxoduwifimob.pdfIn PDF document text
- http://grafosaleservice.cz/images/fck_editor/file/siligano.pdfIn PDF document text
- https://mvmdigital.gr/files/files/97031496888.pdfIn PDF document text
- http://angel-conference.org/upload_fck/file/2021-9-1/20210901161619165597.pdfIn PDF document text
- http://studiotecnicolari.it/userfiles/files/84070974656.pdfIn PDF document text
- https://eventpro-kontraktorpameran.com/uploaded/files/16921876556.pdfIn PDF document text
- http://www.barbazan-debat.fr/ckfinder/userfiles/files/60025395132.pdfIn PDF document text
- https://bruceautoservice.com/files/file/49541481000.pdfIn PDF document text
- http://marktoby.com/akram/know_news/admin/userfiles/file/xurarufal.pdfIn PDF document text
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613556fb411be---zexut.pdfIn PDF document text
- https://sjamsul-hidajat.id/ck_uploads/uploads/files/45222824350.pdfIn PDF document text
- https://birgatour.mn/js/ckfinder/userfiles/files/56437957625.pdfIn PDF document text
- http://inistor.com/ufiles/files/40522783132.pdfIn PDF document text
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/1614173f2263fc---75441396434.pdfIn PDF document text
- http://tunesistudio.eu/userfiles/files/11009131668.pdfIn PDF document text
- http://agriturismoilnoceto.com/userfiles/files/82564803650.pdfIn PDF document text
- http://massimosusto.eu/userfiles/files/9407250844.pdfIn PDF document text
- https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fd55188f07---fujubokagamo.pdfIn PDF document text
- http://seattleteriyaki3.com/uploads/files/vizowesidafaxaja.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=after+movie+full+moviePDF 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_off00010125.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10125 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011937.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11937 | 17228 bytes |
SHA-256: 2ac3a0fb56628c3951ead13e40155c119d24ed908a778813aa248ba92455d1f6 |
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font_02_sfnt_off000145e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x145E2 | 10088 bytes |
SHA-256: fe4839171c93c7a777dcd043d4de1197ec6806b45735a38b17173d75f0e4c7aa |
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