MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file contains embedded JavaScript and a significant number of external links, many hosted on compromised websites, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to download and execute a second-stage payload via the embedded JavaScript and external URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9901
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://crysiq.ru/uplcv?utm_term=fundamentals+of+project+management+6th+edition+pdf PDF link annotation
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/4860b69ad14f837da6db4d4c4db12697/65149735793.pdfIn PDF document text
- http://csc010.com/userfiles/file/20210910005030_ug3oi5.pdfIn PDF document text
- http://chernogolovka.inhome360.ru/admin/ckfinder/userfiles/files/74542699229.pdfIn PDF document text
- https://fotografski-studio.kost.si/userfiles/file/98684542736.pdfIn PDF document text
- https://newegys.egyseg.eu/ckfinder/userfiles/files/liputobaliki.pdfIn PDF document text
- https://mobilaide.com/upload/editor/file/37457522366.pdfIn PDF document text
- http://anindecor.pl/files/file/2455879832.pdfIn PDF document text
- https://mcdelandes.ca/uploads/file/77676806126.pdfIn PDF document text
- http://pegastelco.com/pictures/files/nalixat.pdfIn PDF document text
- https://dycmc.com/DATA/upload/files/202109051016044960.pdfIn PDF document text
- http://tokyoracing.hu/userfiles/file/21497475237.pdfIn PDF document text
- https://bmw-zona.ru/uploads/file/86367355244.pdfIn PDF document text
- https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/33e7310258e43bddac938e4669f9f9c8/7715636984.pdfIn PDF document text
- http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130bf2a940fb---woriduvobitov.pdfIn PDF document text
- http://plusk-car.com/js/upload/files/66186744316.pdfIn PDF document text
- https://accidentmatters.com/ckfinder/userfiles/files/34039433554.pdfIn PDF document text
- https://autoradiator.mn/uploads/ckfinder/files/27895554078.pdfIn PDF document text
- http://aalzkj.love-mrt.com/upload/files/mirotapilanefama.pdfIn PDF document text
- http://canshu.dlzj.net/upload/files/20210902105541538688.pdfIn PDF document text
- http://xaydungphongphu.com/uploads/files/bopubuzowilirukavi.pdfIn PDF document text
- https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16138eb37d7d01---96900936464.pdfIn PDF document text
- https://mkserwis.pl/userfiles/file/61595180507.pdfIn PDF document text
- https://duhocblueocean.vn/ckfinder/userfiles/files/8540741994.pdfIn PDF document text
- https://safewatersolutions.in/ckfinder/userfiles/files/gojobevinubodenapabodi.pdfIn PDF document text
- http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613fcc6f477ce---mudedibamigofa.pdfIn PDF document text
- http://de.ruben.pl/ckfinder/userfiles/files/wizezumexuma.pdfIn PDF document text
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/afc99bb03c2c6b60e30b37eafefbfe7a/xokuwagububaxexevuf.pdfIn PDF document text
- 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_off0000c785.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC785 | 11444 bytes |
SHA-256: ffedd86206a555d68571f3b972aea013a42e11d1cd87037ce2b8dc85a97ab10f |
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font_01_sfnt_off0000e21d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE21D | 16608 bytes |
SHA-256: 1deb2345e2467f1038b27ffdd9323cee7186db530c54f4841aaa506da446091d |
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font_02_sfnt_off00010cd7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CD7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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