MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous embedded URLs that point to external resources, suggesting it functions as a link farm designed to redirect users to potentially harmful sites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly supports this, indicating a deliberate attempt to obscure the final malicious destination through multiple redirects.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 5
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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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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://synerhu.ru/uplcv?utm_term=situa%C3%A7%C3%B5es+problemas+envolvendo+as+quatro+opera%C3%A7%C3%B5es+pdf PDF link annotation
- https://karolinanowak.com/userfiles/file/bijomunaluvififafudem.pdfIn PDF document text
- http://kolaykanal.com/userfiles/files/27973203756.pdfIn PDF document text
- http://ekopaczka.pl/imgbrama/files/38131590139.pdfIn PDF document text
- https://eguiders.com/uploads/fixemalipi.pdfIn PDF document text
- http://xn--80aaffebba2apgigwiiececnggk9e4k.xn--p1ai/pict/file/jokupewonuwesolatu.pdfIn PDF document text
- https://ehbo-oostkapelle.nl/userfiles/file/30993491012.pdfIn PDF document text
- https://vwb.mrv-educationservices.com/content_file/files/fegejukizakekavulu.pdfIn PDF document text
- https://bio-obst-und-gemuese.de/userfiles/file/55741846016.pdfIn PDF document text
- http://autosklo.sk/pictures/file/91348971097.pdfIn PDF document text
- https://detector-billetes.com/Imagenes/file/konadipogikisugokuf.pdfIn PDF document text
- http://nawoo.net/userData/board/file/37521841663.pdfIn PDF document text
- http://seasonsblinds.com/uploads/ckfinder/userfiles/files/sanosusoletijiwojokibe.pdfIn PDF document text
- https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/86b036868701c54bb736d8e07288f33b/sivitilew.pdfIn PDF document text
- http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/16137774b5320b---90198071101.pdfIn PDF document text
- https://china-glass-mosaic.com/userfiles/files/20210905_011202.pdfIn PDF document text
- http://palletgoanloi.com/img-dn/files/58272492598.pdfIn PDF document text
- http://55pluscommunityspecialist.com/userfiles/files/jetiguxiritasudome.pdfIn PDF document text
- http://cec-intl.ru/app/webroot/files/file/woxatebiw.pdfIn PDF document text
- http://hstairan.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/45009577535.pdfIn PDF document text
- https://hkparkkonutlari.com/image/files/xekobojarobejigeju.pdfIn PDF document text
- http://www.farmaciavictoriayjmleon.com/userfiles/files/sakeweduxobodenedewufezu.pdfIn PDF document text
- http://saconsultancy.com/userfiles/file/wusobojorilexeg.pdfIn PDF document text
- https://jmbarrenetxea.soinuenea.eus/files/galeria/files/73556957049.pdfIn PDF document text
- http://fullx.net/files/92595644281.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_off0000db7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB7A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f391.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF391 | 11608 bytes |
SHA-256: 5584c227a3b1ce2ec38aef1ae01ef8475a064e152f0357f5b3a9f525f711e651 |
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font_02_sfnt_off00010e6c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E6C | 21156 bytes |
SHA-256: 2582423c412a985ecd808c6901adcda042ca13ca33b48cbfdc53937923255da6 |
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