MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for exploiting vulnerabilities or redirecting users to malicious sites. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic and numerous unknown URLs suggest a link farm designed to host or distribute malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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 http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16139dd07e04fc---28480740821.pdf In PDF document text
- http://location-appartement-venise.com/italie_documents/files/79452314308.pdfIn PDF document text
- http://discus-rus.ru/upl/file/segufenerekuxotazu.pdfIn PDF document text
- http://nissanotogovap.net/uploads/images/files/gitefak.pdfIn PDF document text
- http://annabarons.lv/files/files/42744254246.pdfIn PDF document text
- http://www.dagmarsvendova.cz/admin/js/ckfinder/userfiles/files/vadepazipakeweto.pdfIn PDF document text
- http://klwas.org/userfiles/images/file/15434756128.pdfIn PDF document text
- https://agriplan-rs.com/dados/ckfinder/files/64346771154.pdfIn PDF document text
- https://cpc-serbia.org/js/files/daxonawamuliboxubixipoku.pdfIn PDF document text
- https://academiesutherland.com/userfiles/file/gixupokuwitozodebe.pdfIn PDF document text
- https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/4bf5d9c97cfe447bb3e6742769718eaa/puvutodewixutav.pdfIn PDF document text
- https://pataniforum.com/admin/jquery/ckfinder/userfiles/files/64236927792.pdfIn PDF document text
- http://thai-apsproducts.com/file_media/file_image/file/zipumoriwolej.pdfIn PDF document text
- http://vo23.ru/upload/file/30514407412.pdfIn PDF document text
- http://tverzhilservis.ru/foktver.ru/ckfinder/userfiles/files/15931111797.pdfIn PDF document text
- http://midospa.com/upload/files/wikes.pdfIn PDF document text
- https://doanhnghiepvietnam.org/img_duhoc/files/rudufotanomisisidotenona.pdfIn PDF document text
- http://abcbyspu.net/ckfinder/images_store/files/73559070495.pdfIn PDF document text
- http://balbu.hu/uploads/news/file/jugefisusakotowejofosa.pdfIn PDF document text
- https://nhatngudongkinh.com/upload/ckupload/files/nutedometat.pdfIn PDF document text
- https://doctornhospital.com/banglanews24/editorsfiles/files/87424132149.pdfIn PDF document text
- https://sensesgrouphk.com/louis/STARKGROUP/ckfinder/userfiles/files/45566108363.pdfIn PDF document text
- http://toitureetfacade.fr/data/Files/64005614355.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=nonfiction+reading+comprehension+pdfPDF 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_off0000cffd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFFD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e814.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE814 | 11000 bytes |
SHA-256: 3624fb453959243f1fcdcadc8efd816caf4e0621bff4d5e0f37cb2c4e2895c91 |
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font_02_sfnt_off0001013d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1013D | 16376 bytes |
SHA-256: 4a262cc1b5dd777ec4bc9c0bc8d325dcd67fdf36347cf78428d095e931fe3c87 |
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