MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external sites, many of which appear to be part of a link farm designed to obscure the true destination. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of using disposable hosting for these links. ClamAV and ML classifiers strongly indicate maliciousness, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://perfecthospitals.com/ckfinder/userfiles/files/febumiwazepuvumimi.pdf In PDF document text
- http://yilbasipromosyonu.com/userfiles/file/52325271010.pdfIn PDF document text
- https://confeccionesruiz.cl/UserFiles/File/doxerefifub.pdfIn PDF document text
- https://efckrakow.pl/userfiles/file/52514119799.pdfIn PDF document text
- http://www.teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/36046061824.pdfIn PDF document text
- http://abwingscolley.com/uploads/files/96444984500.pdfIn PDF document text
- http://ls12368.com/userfiles/file/giruxanulasamazitutaranar.pdfIn PDF document text
- http://xn----7sbicwad4afgcgd5aph7d5e.xn--p1ai/ckfinder/userfiles/files/80918342402.pdfIn PDF document text
- https://vleek.com/uploads/files/senesolaz.pdfIn PDF document text
- http://taociren.com/upload/file/210908232050181377fsfpa9julghs.pdfIn PDF document text
- http://salman-is.com/userfiles/file/mikave.pdfIn PDF document text
- https://sakura-bashi.com/uploads/files/202109030407474213.pdfIn PDF document text
- http://grupopiscis.com/upload/files/6902789816.pdfIn PDF document text
- http://debten.net/UserFiles/File/kafik.pdfIn PDF document text
- http://salamino.pl/userfiles/file/riwinukanizog.pdfIn PDF document text
- https://www.hs-hofgastein.salzburg.at/ckfinder/userfiles/files/xotexaziw.pdfIn PDF document text
- https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139eda4c17dc---9931459340.pdfIn PDF document text
- http://diamantina-joaillerie.com/ckfinder/userfiles/files/93166064495.pdfIn PDF document text
- http://imbirimbir.ru/files/karexotadupuzud.pdfIn PDF document text
- https://varbackaforskola.se/ckfinder/userfiles/files/48289848147.pdfIn PDF document text
- http://pomelieagency.com/userfiles/files/sudilo.pdfIn PDF document text
- http://viprealestatebrokers.com/userfiles/files/51432535644.pdfIn PDF document text
- http://reguitti-engineering.it/userfiles/files/jilanovulepegufadipatiz.pdfIn PDF document text
- https://mgs-on-track.com/app/webroot/userfiles/file/92772706145.pdfIn PDF document text
- http://elazentrale.de/images/uploaded/file/dekowujupuvap.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=m+active+app+download+apkPDF 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_off0000bbae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBBAE | 10476 bytes |
SHA-256: 5d8d04150b7cebfb2bf4346edd6a8d15f2810033300289e6800d5554ea4ed0e6 |
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font_01_sfnt_off0000d3a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3A8 | 16472 bytes |
SHA-256: 5e5bdb1eac6bfd0b6001441e33908a9599e68a65c0c5eb4972a254292562ced8 |
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font_02_sfnt_off0000fdb0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDB0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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