MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on disposable domains or compromised CMS uploads, suggesting a phishing or malware distribution scheme. The presence of a URL with 'download+yacine+app' strongly indicates a lure to download potentially malicious software. ClamAV detection and ML classification further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://pixomot.ru/uplcv?utm_term=download+yacine+app
- http://the-bom.kr/upfile/files/39304592210.pdf
- http://jinshi66.com/uploadfiles/files/62610536071.pdf
- http://refpecsbelvaros.hu/kepek/files/49114215336.pdf
- http://sms-dk.com/FileData/ckfinder/files/20210905_6CD225FD417789DE.pdf
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16139334734aa4---21026745395.pdf
- http://aodaiminhhanh.com/app/webroot/uploads/files/lijupigosexabirag.pdf
- https://onutglen.com/caningest/images/file/fotadabuzefifame.pdf
- http://perila-vrn.ru/userfiles/file/xuxalalogusewotavawaxit.pdf
- http://retrievers.su/ckfinder/userfiles/files/48128434966.pdf
- https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/d4d88610d7f8cf1a3d4df6f81a034539/93008093629.pdf
- http://verzorgingsindex.nl/images/uploads/36250855827.pdf
- https://www.peltonfell.org.uk/ckfinder/userfiles/files/sibimeb.pdf
- http://jjburgerut.com/uploads/files/kiwiwajukifabilonem.pdf
- https://funcarele.com/ckfinder/userfiles/files/88487761148.pdf
- http://studioferrato.it/userfiles/files/78305256856.pdf
- http://studioarchperissinotto.eu/userfiles/files/68684284244.pdf
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16138ddd1ad32c---64446159135.pdf
- http://fulepmark.hu/nyebu/fulepmark/userfiles/file/redopa.pdf
- https://legend-chang.com/UserFiles/files/38626344139.pdf
- http://agenziaimmobiliarecannavo.eu/userfiles/files/giwoluguri.pdf
- https://bem-sa.com/img/file/72695479423.pdf
- http://aarogyamedico.com/userfiles/file/kopigixugas.pdf
- http://eugensa.lt/app/webroot/uploads/userfiles/files/zozobijatitubumozebesa.pdf
- http://hoangnamjsc.com/upload/files/81789028189.pdf
- http://bajajsports.com/userfiles/file/bibij.pdf
- https://sportuna.be/ckfinder/userfiles/files/fetuwavunujitonatun.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ea56.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA56 | 16792 bytes |
font_01_sfnt_off00010268.binf02c1cf63973c58dc351bab10db689ab7c5fa848178106fb89aba454256805bb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10268 | 18324 bytes |
font_02_sfnt_off0001317f.binb324d9653b3fba8bc92a7ac3b7783f3484fddc2de3d53851071aa9fa4cb34021 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1317F | 10344 bytes |
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