MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload storage or disposable hosting, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely involving exploitation for client execution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://philabc.ru/uplcv?utm_term=best+mmorpg+offline+games+for+android PDF link annotation
- http://eskuvotoszkanaban.hu/editor_up/tewotogapabegusuna.pdfIn PDF document text
- http://glassick.com/userfiles/file/16227432511.pdfIn PDF document text
- https://www.koreayokogawa.com/ckfinder/userfiles/files/31349906656.pdfIn PDF document text
- http://originalbau.hu/imagesfiles/gufidelofigirogafege.pdfIn PDF document text
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613c716335452---36901359296.pdfIn PDF document text
- https://medosojewellery.com/userfiles/files/36095022700.pdfIn PDF document text
- https://iva-vietnam.com/userfiles/file/29861550603.pdfIn PDF document text
- http://grupopiscis.com/upload/files/ruwajelobewovumarofikobi.pdfIn PDF document text
- https://vaitinhdien.com/app/webroot/upload/files/dozidazaf.pdfIn PDF document text
- https://pearproperties.in/userfiles/file/86347331933.pdfIn PDF document text
- http://cartonwrappingmachine.com/userfiles/file/31379555128.pdfIn PDF document text
- https://pastijptoto.com/contents/files/zekilejuxavobugepoz.pdfIn PDF document text
- http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bb33c5c3c3---safufigajewuxisikoxagifi.pdfIn PDF document text
- http://ex2010.com/uploadfile/file/2021090816573673499.pdfIn PDF document text
- http://dekogard.net/deko/veri/_files/27780029119.pdfIn PDF document text
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f63907a32e---5158290670.pdfIn PDF document text
- http://thedewakohchang.com/image/upload/File/ifasomipomasadajoneva.pdfIn PDF document text
- http://noithatsah.com/webroot/img/files/kegabawigagalafikuwige.pdfIn PDF document text
- http://fukaofoods.tw/uploads/files/202109140328572395.pdfIn PDF document text
- https://ist-lb1.istanajp.com/contents/files/vavepefawat.pdfIn PDF document text
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/161366ad75a008---panuvewekipe.pdfIn PDF document text
- https://onderdurdu.com/upload/ckfinder/files/79067978630.pdfIn PDF document text
- http://vuoncotichdep.com/upload/files/66595604894.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_off0000ee72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE72 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010684.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10684 | 16664 bytes |
SHA-256: 945c083b90678d270fef3a263df004c3d2245771ced8cf9a11afe5d6a387e13f |
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font_02_sfnt_off0001317e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1317E | 10892 bytes |
SHA-256: 6c0b6f1a81355d8f46b48501e7086a5f0e47756f8015b187ba9b6c99068a7d9e |
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