MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The document contains numerous external URIs and link farms pointing to potentially compromised websites, suggesting a phishing or malware distribution attempt. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://drafthe.ru/uplcv?utm_term=wielka+s%C5%82awa+to+%C5%BCart+pdf
- http://timandlor.com/userfiles/file/98474371407.pdf
- http://yejida.com/userfiles/file/75937176682.pdf
- http://www.lnk-creation.fr/upload/file/61925058798.pdf
- http://mtlebanon62.com/clients/5/5e/5ee551a8be14a26d7d76bc5e90dd1372/File/viredekukojimewezezudof.pdf
- https://www.citysecurity.org.uk/wp-content/plugins/super-forms/uploads/php/files/6qtcf1ejnhv9fhv5a2gikus6g9/97724115814.pdf
- https://fallsplat.se/file/fegojoxosukego.pdf
- http://axwelindia.com/uploads/19152932278.pdf
- http://xiaohecollege.com/d/files/6980367144.pdf
- https://fizjolech.pl/userfiles/file/10771577289.pdf
- http://kolasinprevoz.rs/slike/files/83051975825.pdf
- http://npcbalkan.net/ckeditor/ckfinder/userfiles/files/volarafazefakowakarevafix.pdf
- https://ildiko-szepsegszalon.hu/userfiles/file/tofove.pdf
- http://ruresept.ru/files/file/rexifobaxototakulezi.pdf
- http://ural-resyrs.ru/data/file/zezitaf.pdf
- https://traveltokiev.com/wp-content/plugins/super-forms/uploads/php/files/kav895h4755dajb5g4ovn4ej02/rolidepasonorejapizibos.pdf
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/o26hmjc3hcka5h6b02tuorenvj/86715043082.pdf
- http://nextgt.eu/uploads/file/waxegodekakokimiz.pdf
- https://tosto.cl/ckfinder/userfiles/files/jofolujasutawikokiba.pdf
- https://xn--bren-mgenwil-gcbf.ch/sites/default/files/fck-uploads/file/887821356.pdf
- https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/2onk3jlka4a4lp9bbjhra6eb17/tuwupavefawobonobotani.pdf
- https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/160bfa5386c28d---sivexunefeguj.pdf
- https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ad065f5327b---17631119428.pdf
- http://parejalecaros.com/adjunto/upload/fck/files/jewesugisotejapibe.pdf
- https://ntwbearing.com/UserFiles/File/sudotesavibepesu.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_off0000d805.bin6cc5d73e810cb5f8f3ffc7ede961238838eed5e186f00d0091f57d4104dd0da4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD805 | 19672 bytes |
font_01_sfnt_off00010894.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10894 | 16792 bytes |
font_02_sfnt_off000120ab.bin638cb22135c8b1ec0fa895f378e29078d701aa8244149fbaced4da349651b941 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120AB | 10736 bytes |
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