MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many pointing to compromised WordPress sites, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent. The primary function appears to be redirecting users to potentially harmful external content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://oniceh.ru/uplcv?utm_term=ascolto+ambientale+android PDF link annotation
- http://gsxr.hu/userfiles/file/miwigegurolelanomi.pdfIn PDF document text
- http://studio5r.com/userfiles/files/datazufalew.pdfIn PDF document text
- http://tindangnhadat.vn/upload/files/siturinuvobilajaf.pdfIn PDF document text
- http://avvocatoandreabruschi.it/userfiles/files/16224925396.pdfIn PDF document text
- http://poliinc.com/upload/files/18419776493.pdfIn PDF document text
- http://apexibd.com/uploads/fck_uploads/file/41191548420.pdfIn PDF document text
- http://protok.pro/upload/files/bovafakitunuvafazaxade.pdfIn PDF document text
- http://morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/161358518ddda3---45076513393.pdfIn PDF document text
- http://hulstcustoms.ru/uploads/files/853263420.pdfIn PDF document text
- https://jcmimoveis.com/userfiles/file/10093783427.pdfIn PDF document text
- http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16140971fe53c4---51350520329.pdfIn PDF document text
- http://paraleumarian.ro/app/webroot/files/userfiles/files/42434416118.pdfIn PDF document text
- http://anton-joyeros.shopcloud.es/ckfinder/userfiles/files/29574119351.pdfIn PDF document text
- https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/698ff68724f07d78253ccdecd6f2be06/jajixajoluzigorafizudamap.pdfIn PDF document text
- http://www.masozilina.sk/ckfinder/userfiles/files/kutuzomuka.pdfIn PDF document text
- http://biaikatolikus.hu/files/file/fazoxawelujebakegutelaso.pdfIn PDF document text
- https://eslms.com/userfiles/file/76407162464.pdfIn PDF document text
- https://veaodaibrahma.com/uploads/image/files/82810203807.pdfIn PDF document text
- https://cdmsig1.com/ckfinder/userfiles/files/kisebezoxuzinut.pdfIn PDF document text
- https://confetti-seasons.ru/upload/files/84795319264.pdfIn PDF document text
- https://wrd13.com/force/file/39346353655.pdfIn PDF document text
- https://sjaindonesia.com/sitefiles/file/vujevexorovu.pdfIn PDF document text
- https://efficientinfocomm.com/ckfinder/userfiles/files/19340476954.pdfIn PDF document text
- http://020tzs.com/baige/images/userfiles/file/mesidunufaworadim.pdfIn PDF document text
- https://yp05.com/_UploadFile/Images/file/14169014604.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_off0000f235.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF235 | 10652 bytes |
SHA-256: fbf87ada3847547c1a048f530ee676a9c7e8baeca7aded5b9da14df65bd82e7b |
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font_01_sfnt_off00010a8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A8E | 17344 bytes |
SHA-256: f4c4bb5a54518d6af3d680fb47822fc8820af84a4779ba6a1bb6e4d50e9e2668 |
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font_02_sfnt_off0001379f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1379F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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