MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF file flagged by ClamAV as a phishing trojan. It contains numerous embedded URLs pointing to compromised websites and disposable hosting, suggesting a link farm designed to lure users to malicious content. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://crewmak.ru/uplcv?utm_term=scout+finch+quotes+that+describe+her+with+page+numbers
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/ff6470d8dc99590d4a2855a4e000bea0/tobodejo.pdf
- https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/7b416764e6959f4c37d169bf4437262e/kibivabojadakaxaluwumuk.pdf
- http://uniquestatues.com/clients/9/91/91c6e204ee4529d3b478b0717040545d/File/suzut.pdf
- https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/rbsgfvhaub0avlo7nm79jk9hgo/losasuxazuvumerenube.pdf
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160775075d532b---72578443259.pdf
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16094217fea9d5---60558828753.pdf
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af902a2ac3f---66887956311.pdf
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160bd332fe75d2---35932614237.pdf
- https://gulfsupremesa.com/ckfinder/userfiles/files/77653616472.pdf
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/6e13fbc88cd930b9176a258e6a73f3a8/namizixoxav.pdf
- https://groupunsur4.com/contents//files/misexokugaxaxan.pdf
- https://www.perfumista.co.uk/wp-content/plugins/super-forms/uploads/php/files/98362c95d481d3f4f8e0ae3c87cf1601/rurenunoxelis.pdf
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a091cb7b3c3---91535019801.pdf
- https://urbanplace.me/wp-content/plugins/super-forms/uploads/php/files/e4ade758b6ca322e9a3c0c3a847c42c8/31758493607.pdf
- https://footballsod.com/images/ck-uploads/files/21860984156.pdf
- https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/se1l1u9vaae6uc4s2eovhlop43/97990169557.pdf
- http://www.advokat.com/app/webroot/img/fck/file/xuvaluvixobegubutijuvis.pdf
- http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607254f07b4d6---41293915282.pdf
- http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca54bddb0f---73434317349.pdf
- https://www.napariverinn.com/wp-content/plugins/super-forms/uploads/php/files/7e63111845923fff56535d9ac71a7e51/36726453339.pdf
- http://teknis.it/userfiles/files/neradatowuvekov.pdf
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16089a0a2d7df8---sedumexododegokedisubuxuv.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_off000137f2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137F2 | 16792 bytes |
font_01_sfnt_off00015009.bin9a803b14e5dea7a5db3e0a64481ea2eeb1e1b7cd377ef90baf6ac87e8bbb7ced |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15009 | 11568 bytes |
font_02_sfnt_off00016aa0.binc8a4f592ed70005f38c19b5ea6add4f961c4829cf659e8031a74cdeb1c5c53e6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16AA0 | 16692 bytes |
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