MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs that form a link farm, directing users to potentially malicious or phishing sites. Heuristics indicate the PDF is a link farm on disposable hosting and points to compromised CMS uploads, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://smidgel.ru/uplcv?utm_term=react+ui+packages PDF link annotation
- http://kleinschaden-expert.com/userfiles/file/rudikilozopuruwevenof.pdfIn PDF document text
- http://unleadedcoffee.cz/soubory/76831139763.pdfIn PDF document text
- http://pension-erlkoenig.de/img/editor/file/jirukumepiz.pdfIn PDF document text
- http://dush-kz.ru/uploads/fck/file/52419014657.pdfIn PDF document text
- https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614217cfde8e2---zaronazemejaki.pdfIn PDF document text
- http://ministerium.pt/files/tupumibabekero.pdfIn PDF document text
- https://waxparadise.pl/userfiles/file/buriwiwijagibixogi.pdfIn PDF document text
- https://calendarsunrooms.com/userfiles/files/ropirovupiwenenilibozimat.pdfIn PDF document text
- http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/0d1d0a97bfc273d3b9df884216596662/39406585120.pdfIn PDF document text
- https://agrimal.pl/userfiles/file/kaluwaxa.pdfIn PDF document text
- http://pescepiana.eu/userfiles/files/61462425061.pdfIn PDF document text
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/1613354a78bd96---xuxuz.pdfIn PDF document text
- https://karpataljaturizmus.hu/upload/lovivanisamixuxapige.pdfIn PDF document text
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e5f56cb979---68542618136.pdfIn PDF document text
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137547f8afe6---kolamaviwipapubu.pdfIn PDF document text
- http://aceonlinementors.com/userfiles/file/tijojojetijevilusugoluv.pdfIn PDF document text
- https://paroles-vives.com/ckfinder/userfiles/files/butasibikoj.pdfIn PDF document text
- http://khangvietdn.com/uploads/file/teboxawuniresutati.pdfIn PDF document text
- http://we2meeting.com/ckfinder/userfiles/publics/files/98211015091.pdfIn PDF document text
- http://chinajessie.com/seadata/data/uploads/img/file/163082141292.pdfIn PDF document text
- https://esz.jp/img/editor/files/rabapekaxok.pdfIn PDF document text
- http://sarljarry.fr/userfiles/file/nazasurusit.pdfIn PDF document text
- https://lazerom.pro/media/file/97454158770.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_off0000c590.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC590 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dda2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDA2 | 19936 bytes |
SHA-256: 3378c7697d5531872bd19fbc735430d1f11f57545e7b130f099cfe0c43e21d57 |
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font_02_sfnt_off00011222.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11222 | 10416 bytes |
SHA-256: 45015a75b58c98586ad4c226208d84efff05d9f8ad6c7c4ee95099b0108f217e |
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