MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm and contains embedded JavaScript. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://smidgel.ru/uplcv?utm_term=android+apps+store+uk PDF link annotation
- http://babywagen24.de/userfiles/file/mosenafokufakagax.pdfIn PDF document text
- http://sinorarechem.com/upload/files/josajowotufavepeguk.pdfIn PDF document text
- http://vivatbacchus.hu/files/file/nexijomajofufixofus.pdfIn PDF document text
- http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/15524458780.pdfIn PDF document text
- http://dochoiotovn.com/uploads/userfiles/file/97601604105.pdfIn PDF document text
- http://hyunshin.net/userfiles/file/fevinuduwifinojovakadim.pdfIn PDF document text
- https://corumosmanlimakina.com/js/ckfinder/userfiles/files/leboki.pdfIn PDF document text
- http://yds-wcv.jp/free_images/files/givexiwubasirevobidepipam.pdfIn PDF document text
- http://cp-1.ru/userfiles/files/52391292987.pdfIn PDF document text
- http://tryinvest.eu/userfiles/files/kozobizexafetezipuwu.pdfIn PDF document text
- http://kyanite.tv/userfiles/file/2427895102.pdfIn PDF document text
- https://www.hermanosvalerorecio.com/ckfinder/userfiles/files/korid.pdfIn PDF document text
- http://galaxyjewel.cn/uploadfile/files/rewabari.pdfIn PDF document text
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141c33e4555c---mimelozamoxuzedizamu.pdfIn PDF document text
- http://vencedor.coop/images/admin/file/nidavozepivikiretogur.pdfIn PDF document text
- https://www.tvmreza.tv/ckfinder/userfiles/files/lelisibifunudiravedas.pdfIn PDF document text
- https://sweetburden.com/upload/users/files/6051136270.pdfIn PDF document text
- http://xn--90aoa5aj.xn--p1ai/ckfinder/userfiles/files/56130324334.pdfIn PDF document text
- http://emannsltd.com/userfiles/viwuliruwo.pdfIn PDF document text
- http://dkstores.gr/userfiles/file/jejukisudolizadinitodole.pdfIn PDF document text
- http://ortosprendimai.lt/userfiles/file/virepis.pdfIn PDF document text
- http://weddingdove.tw/uploads/files/202109111536367894.pdfIn PDF document text
- https://newline-eg.com/userfiles/file/19633930004.pdfIn PDF document text
- http://saopauloairporttransfers.com/ckfinder/userfiles/files/gexoxizana.pdfIn PDF document text
- http://fasson.vip/images/editor/files/95804506250.pdfIn PDF document text
- https://flour.co.uk/ckfinder/userfiles/files/kuvezomitekevopewogo.pdfIn PDF document text
- https://eslms.com/userfiles/file/60114068443.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_off0000f5b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5B6 | 10512 bytes |
SHA-256: 17226198b5c25baf7df1c0f6179972cd0e6fdc796c6a46280aead74e046770dd |
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font_01_sfnt_off00010dc7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DC7 | 17496 bytes |
SHA-256: f1723e550022675a656f5c2122d2d665475f058d93b9c622a25decafaee71d54 |
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font_02_sfnt_off00013b0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B0B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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