MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS uploads and disposable hosting domains, indicating a link farm designed to lure users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
Heuristics 6
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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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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://shirbandifelt.com/userfiles/file/sixifasipisevigabaxopupiz.pdf In PDF document text
- http://pensionpoint.cz/userfiles/files/31874782982.pdfIn PDF document text
- http://etoprosto.ru/ckfinder/userfiles/files/18317070268.pdfIn PDF document text
- http://olympiad-bigben.ru/ckfinder/userfiles/files/wuvagupiduripejusuzufesuv.pdfIn PDF document text
- http://uspeh-kursk.ru/ckfinder/userfiles/files/kikubimar.pdfIn PDF document text
- http://stonepigments.com/userfiles/file/77837985235.pdfIn PDF document text
- https://metrosecuritynepal.com/assets/userfiles/files/gosab.pdfIn PDF document text
- http://vipnovini.bg/root/f/uploads/files/79268364578.pdfIn PDF document text
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16137f190ae5a4---linukolofujefi.pdfIn PDF document text
- http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/fd974516e04aad688cffab98893a8ac3/35993506551.pdfIn PDF document text
- http://xn----7sbakif2a3azdub.xn--p1ai/admin/ckfinder/userfiles/files/tovezapiwexatetunesesukaw.pdfIn PDF document text
- https://aucordechasse.fr/vosImages/57143376974.pdfIn PDF document text
- http://kraemer-duennebacke.de/files/file/fugedirexetu.pdfIn PDF document text
- http://villalapinetafavignana.it/userfiles/files/76791122623.pdfIn PDF document text
- http://taispacedesign.com/upload/files/pudajewuketisub.pdfIn PDF document text
- http://cicm2015.mist.ac.bd/app/webroot/ckfinder/userfiles/files/85229699011.pdfIn PDF document text
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614b23b155ff4---54758625590.pdfIn PDF document text
- http://investbuild.ru/var/upload/file/wijodil.pdfIn PDF document text
- http://makesomenoise.hu/upload/file/51027089118.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/77513539334.pdfIn PDF document text
- https://kamwalibais.com/userfiles/file/12166199512.pdfIn PDF document text
- http://labotinnghia.com/img/files/dilazufafijopimubu.pdfIn PDF document text
- https://jordan.si/dokumenti/file/45624419976.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=pcsx2+bios+romPDF 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_off0000ae8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE8F | 10212 bytes |
SHA-256: 9c26634b90d10295f7b62fa98eaa768d8abfc4a9cf743b2501219a94c59a1293 |
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font_01_sfnt_off0000c58c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC58C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000dd9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD9E | 14960 bytes |
SHA-256: 9851d95c81d25536cfd4d681daaea9abfc2b9a5bd62a73e49abb0a53cfe8357f |
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