MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file containing embedded JavaScript, which is a common technique for executing malicious code. It also features a large number of external URIs, many of which are hosted on disposable domains, suggesting a link farm or phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for distributing further malware or conducting phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://ketchas.ru/uplcv?utm_term=manchester+united+vs+leicester+stream PDF link annotation
- http://autoscuolemontagna.it/userfiles/files/gikowaloxawudubivus.pdfIn PDF document text
- http://garageanything.com/js/upload/files/68807540209.pdfIn PDF document text
- https://hargagila.com/uploads/image/files/gepubenaji.pdfIn PDF document text
- http://www.temaricerca.com/entry2013/admin/ckfinder/userfiles/files/xofefiwubikazaxopajugabi.pdfIn PDF document text
- http://eurolocal.info/sites/default/files/images/file/23107587495.pdfIn PDF document text
- https://agroadvanced.com/app/webroot/newsletters/editor/files/56026627726.pdfIn PDF document text
- http://futimisdev.com/userfiles/file/26692720993.pdfIn PDF document text
- https://balbok.net/admin/ckfinder/userfiles/files/98249574980.pdfIn PDF document text
- http://brandiassociati.it/userfiles/file/52982998640.pdfIn PDF document text
- http://yuqiaohome.com/uploads/files/202109170754574803.pdfIn PDF document text
- http://advocaatindex.nl/images/uploads/97670301581.pdfIn PDF document text
- http://biosite.ru/images/news/file/vomipavawipilixumat.pdfIn PDF document text
- http://studioambienteterritorio.it/userfiles/files/53481027555.pdfIn PDF document text
- http://neoneofytou.com/ckfinder/userfiles/files/jaderaxisigixuve.pdfIn PDF document text
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c0a142143c---sibadididawo.pdfIn PDF document text
- http://mcap.cz/images/uploadedimages/file/dijabopibug.pdfIn PDF document text
- https://accesoriosalmayor.com/images/userfiles/file/59744174516.pdfIn PDF document text
- http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613825ff78f07---37109491974.pdfIn PDF document text
- https://webhosting4.net/media/file/dowiterukoduramipiwozetu.pdfIn PDF document text
- http://servicedental.it/userfiles/files/jalisopaxomupos.pdfIn PDF document text
- https://xn--nmqu14inmf.com/upload/files/34610185797.pdfIn PDF document text
- http://avanti-kuhni.ru/upload/files/wenevaxisevunamaz.pdfIn PDF document text
- https://mekongtransport.com/upload/userfiles/files/53594388139.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_off0000b9d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB9D7 | 10672 bytes |
SHA-256: 1b85b694d29ed4f422469dc513cfbed8d7da84c051f9da70a59d42dd3cbcc3dc |
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font_01_sfnt_off0000d219.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD219 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ea2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA2B | 17452 bytes |
SHA-256: a34636b44aff6d29e4b8cfae16cbf7ab9763186f570bc4ca601f9b3c43ee1761 |
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