MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external URIs, indicating malicious intent. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests the document is designed to redirect users to numerous disposable hosting sites. The ML classifier and ClamAV detection strongly support a malicious classification, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 https://pixomot.ru/uplcv?utm_term=free+children%27s+books+download+pdf PDF link annotation
- http://eichler-kammerer.de/telufifonik.pdfIn PDF document text
- https://hotelharmika.com/assets/userfiles/files/4519681332.pdfIn PDF document text
- http://hoangminhsaigon.vn/@dmin/js/ckfinder/userfiles/files/danitasatose.pdfIn PDF document text
- http://www.heksan.com.pl/file/62986478875.pdfIn PDF document text
- http://domuran.pl/files/file/91724936038.pdfIn PDF document text
- https://soechi.com/userfiles/file/juvobufazupilenasedosiwa.pdfIn PDF document text
- http://flapboxes.custompackageboxes.com/userfiles/files/1490604596.pdfIn PDF document text
- http://automotiveenergy.cz/userfiles/file/2015916599.pdfIn PDF document text
- http://www.greddy.com/admin/common/ckfinder/userfiles/File/92048326135.pdfIn PDF document text
- http://smirna.pl/files/file/10907312750.pdfIn PDF document text
- https://masihpt1.com/contents/files/metoresupotopom.pdfIn PDF document text
- https://orangcar.com/app/webroot/upload/files/podos.pdfIn PDF document text
- https://kitchensofdiablo.com/upload/file/lefawofigivotuvuzeseb.pdfIn PDF document text
- https://nikosdimos.gr/userfiles/file/dadoravowe.pdfIn PDF document text
- https://nolimitscenter.be/peausitive/images/FCKeditor/file/68346236819.pdfIn PDF document text
- http://sourceit.ke/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/guxutilozojefaxit.pdfIn PDF document text
- https://tasteadmin.com/ckfinder/core/connector/php/custom/wysi_uploads/files/nivirugul.pdfIn PDF document text
- http://szwygs.com/upload/81493196078.pdfIn PDF document text
- https://vnjhanoi.com/upload/files/lijujemaluba.pdfIn PDF document text
- https://jotelek.hu/files/file/giwukinelidijitidejidi.pdfIn PDF document text
- https://claudiodituri.it/uploads/99557763284.pdfIn PDF document text
- http://wijnhuis-vaessen.nl/site/data/ws/files/moguwefogasigawoxekog.pdfIn PDF document text
- http://hairfibers24.com/upload/file/soxatogolunat.pdfIn PDF document text
- https://profession-your-dr.com/uploads/files/202109041956404685.pdfIn PDF document text
- https://haidangpc.com/contents/files/bovokipubezojojutikej.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_off0000b615.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB615 | 15444 bytes |
SHA-256: dbd76193c93b889598024468019c7849fed690a00d461250d9b297f63136e873 |
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font_01_sfnt_off0000dd50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD50 | 10948 bytes |
SHA-256: ce97945c628546aa76d818f3a2b98fabc5b8d928b7168423434680d9176f9aba |
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font_02_sfnt_off0000f66a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF66A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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