MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of a 'utm_term' parameter in one URL further supports the phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://queure.ru/uplcv?utm_term=tekken+tag+tournament+android+download
- http://chongros.com/userData/board/file/somabowekin.pdf
- http://kelkenaghshband.com/app/webroot/img/files/tunirumap.pdf
- http://ttmplus.com/userfiles/files/90375086864.pdf
- http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135bf4580226---61473792709.pdf
- http://importfoodfair.com/userfiles/image/2021/09/file/97372119035.pdf
- http://jump360.co/upload/files/20210905180609.pdf
- http://quimicahj.com/admin/userfiles/userfiles/file/81314371265.pdf
- https://fetogram.com/images/upload/files/38788374250.pdf
- http://kliknetezde.cz/admin/obrazky/file/23046285578.pdf
- http://groupementpecheduloir.com/ckfinder/userfiles/files/44146157791.pdf
- http://mediedil.eu/userfiles/files/zeralagijuto.pdf
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612ff8f02a60a---vuviliwunu.pdf
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/611h4ahsf5t6albuagm1lpn1mj/6630911886.pdf
- https://eghamatkade.com/basefile/eghamatkadecom/files/91177209578.pdf
- https://juraganmonyet.com/contents/files/wibusutepov.pdf
- http://dc-a0dcf319a153.breakthroughsport.com/userfiles/files/lupadijenu.pdf
- https://alhasooncorp.com/Files/files/wazuzipimulatexogorugebor.pdf
- https://surupaceanu.ro/ckfinder/userfiles/files/sejavo.pdf
- http://donghotam.com/luutru/files/88317282362.pdf
- http://venkateshservices.com/uploads/sokibopudat.pdf
- http://royalrep.com/userfiles/files/menidini.pdf
- https://almudenafernandez.co/ckfinder/userfiles/Files/10542412361.pdf
- http://montpellier-businessplan.com/mbp/upload/images/images/upload/ckfinder/jigigebabusulapoj.pdf
- http://stmarysharipad.com/userfiles/file/tujuvewid.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_off0000bfee.bin2b6da7cea3ecf5ccbd9b74f650943ec064431fdd1c32d57e70757bccf06ae9c7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFEE | 16768 bytes |
font_01_sfnt_off0000eb7a.bin6aa0318425315428a1d4e2c51a0255373f35ab56961252f7bb226b35e287a35a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB7A | 10664 bytes |
font_02_sfnt_off000103be.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103BE | 16792 bytes |
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