MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a specific ML classifier and ClamAV detection. The presence of numerous external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic indicate a strong likelihood of phishing or malware distribution. The document body was unreadable, but the embedded URLs and heuristic findings strongly suggest a malicious intent to redirect users to potentially harmful sites.
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://synerhu.ru/uplcv?utm_term=123movies+the+nanny PDF link annotation
- https://cian.hr/userfiles/file/45003443629.pdfIn PDF document text
- http://yourtruck.be/upload/ckeditor/file/nuxosigediw.pdfIn PDF document text
- http://studiosimonepantaleo.it/userfiles/files/mudinawarugatexudesuko.pdfIn PDF document text
- https://alharithiforcameras.com/ckfinder/userfiles/files/91380560134.pdfIn PDF document text
- https://hashtag.school/userfiles/file/duridamaduwudetokididejom.pdfIn PDF document text
- http://busankid.com/webfiles/board/file///danoruvo.pdfIn PDF document text
- https://lapakunited.com/contents/files/97043595545.pdfIn PDF document text
- https://weishinclinic.com/uploads/files/202109120102446380.pdfIn PDF document text
- http://caerulumpharma.com/upload/files/30349185136.pdfIn PDF document text
- http://sun-green.de/ckfinder/userfiles/files/29859100659.pdfIn PDF document text
- http://nonstopsushi.com/uploads/files/3591265971.pdfIn PDF document text
- http://aibrpjoaae2.specialty-match.com/upload/files/tunojasativadimesap.pdfIn PDF document text
- http://www.kickcommerce.com/userfiles/file/wuviwabedefobi.pdfIn PDF document text
- https://tl-systems.hu/files/files/52819162984.pdfIn PDF document text
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/161333fad9aad6---semefufumokilele.pdfIn PDF document text
- https://bdaudit.ro/userfiles/file/folunogogitamuvebexu.pdfIn PDF document text
- https://asfus.net/virgsurv/userfiles/file/fekomogidutez.pdfIn PDF document text
- http://travelci.ru/ckfinder/userfiles/files/xarukizavotijopumabagoget.pdfIn PDF document text
- http://corporatiegids.nl/uploads/files/megaxijaruleparav.pdfIn PDF document text
- http://mindentudor.hu/userfiles/file/zowegeku.pdfIn PDF document text
- https://daulte.com/ckfinder/userfiles/files/23959089492.pdfIn PDF document text
- http://fteq.ru/files/file/fizodedidomu.pdfIn PDF document text
- http://www.museopizarra.com/ckfinder/userfiles/files/87556591852.pdfIn PDF document text
- http://selidbe-beograd.info/files/jipusejojunusegavoku.pdfIn PDF document text
- http://yoron.net/up/files/25325847447.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_off0000bc21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC21 | 10656 bytes |
SHA-256: f4d287a32e541107fb0297fb5a0ee61cd1762fe33e9d51a0ff912f79581f7067 |
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font_01_sfnt_off0000d479.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD479 | 15420 bytes |
SHA-256: 203bf8ea9b35f293d0de93bc419d3199530b6a1550bca817e0d1fe5dd46049e4 |
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font_02_sfnt_off0000fbb5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBB5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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