MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, indicating malicious intent. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests the document is designed to host a large number of links, likely for phishing or distributing further malware. The ML classifier and ClamAV detection further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9926
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 https://nomylo.ru/uplcv?utm_term=is+there+a+way+to+save+a+webpage+as+a+pdf PDF link annotation
- http://bacvietexpress.com/upload/userfiles/files/66097540954.pdfIn PDF document text
- https://sport-jicin.cz/dokumenty/kenoxalonokisugabakak.pdfIn PDF document text
- http://ltpbetel.ro/userfiles/file/55489542730.pdfIn PDF document text
- http://52963566.com/upload/file/202109182224000275.pdfIn PDF document text
- https://spbmworld.com/anaeter_capital/siteadmin/userfiles/files/duvuvanifar.pdfIn PDF document text
- http://preprod.app-nomads.com/ugecam/admin/ckfinder/userfiles/files/91242477873.pdfIn PDF document text
- http://fine-trading-knotwork.de/uploads/media/tuxilafolaxexisazebufuve.pdfIn PDF document text
- http://ttmm.co.jp/ckfinder/userfiles/files/53919541559.pdfIn PDF document text
- http://smflow.in/admin/uploads/file/xelatunuruzomotisefezaz.pdfIn PDF document text
- http://mrcubezpieczenia.pl/app/webroot/media/files/vesipaxiradukuxokezeperav.pdfIn PDF document text
- https://economiadecomunion.net/ckfinder/userfiles/files/vujipomukezuwabumedafor.pdfIn PDF document text
- http://conservativista.com/js/ckfinder/userfiles/files/roporirugus.pdfIn PDF document text
- https://akrmedia.no/ckfinder/userfiles/files/lamepizabedowogiworazaju.pdfIn PDF document text
- http://www.hkrns.org.hk/ckfinder/userfiles/files/46346668564.pdfIn PDF document text
- https://ahl2005.com/ckfinder/userfiles/files/13887065956.pdfIn PDF document text
- https://yumasri.com/assets/ckfinder/userfiles/files/tafojezuzunox.pdfIn PDF document text
- http://gramercy-grand.ru/files/file/3931406442.pdfIn PDF document text
- https://congtydaihai.com/upload/files/zirekibokin.pdfIn PDF document text
- https://newshieldinsurance.com/demo/gsa/final/images/file/didebofinadujate.pdfIn PDF document text
- https://www.displaysdirectaustralia.com.au/application/third_party/ckfinder/userfiles/files/dotazogugoxixuremogetino.pdfIn PDF document text
- http://graviroz.hu/ckfinder/userfiles/files/57923103660.pdfIn PDF document text
- https://dragonexpressml.com/userfiles/files/budadojexapabaw.pdfIn PDF document text
- http://csaladiegyteruautok.hu/userfiles/files/35952582708.pdfIn PDF document text
- http://ttccid.com/userfiles/file/xavejawitud.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_off00012468.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12468 | 10892 bytes |
SHA-256: 9e6476aff0ec23374961c16c5df340342515821f8281ef37d435ddc94f606070 |
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font_01_sfnt_off00013d6b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D6B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001557d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1557D | 21124 bytes |
SHA-256: 9c6d4c55c3142642b19da4eab2efe0fc01f75c9bbcc06327bb5ebc483097b7c1 |
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