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 high ML score and ClamAV detection. It contains numerous embedded URLs that point to various domains, many of which are associated with compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and link farm characteristics indicates an attempt to lure users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://catamma.ru/uplcv?utm_term=vpn+mod+apk PDF link annotation
- https://kermanrooz.com/img/files/perudobol.pdfIn PDF document text
- http://dangkydoanhnghiep.org/hinhanh_fckeditor/file/69810632502.pdfIn PDF document text
- https://sayurmateng.com/contents/files/71830542469.pdfIn PDF document text
- https://sealand-pptc.com/userfiles/file/nanezomodimewake.pdfIn PDF document text
- http://rococosofa.com/files/files/fijun.pdfIn PDF document text
- http://nuklearmedizin-amro.de/userfiles/file/buzamomag.pdfIn PDF document text
- http://sibaco.ru/ckfinder/userfiles/files/moburizivibezakixopoxif.pdfIn PDF document text
- http://npxbyy.com/wang3_3_10_27/Upload/Upload/file/202196347503663.pdfIn PDF document text
- https://ivanamihic.com/files/vugenobisijozodowe.pdfIn PDF document text
- https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/161330e938a2e7---75365075846.pdfIn PDF document text
- http://sksound.com/userfiles/file/dibevo.pdfIn PDF document text
- http://grandinhr.eu/images/user/file/86418016834.pdfIn PDF document text
- http://woykoff.hu/upload/file/84725489834.pdfIn PDF document text
- https://webaprint.be/img/file/lazaxomodulagekaradore.pdfIn PDF document text
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161419c15d538e---jefuzufimokuzuxosowuxoga.pdfIn PDF document text
- https://ddc-touggourt.dz/ar/files/13213782939.pdfIn PDF document text
- https://prestinieurope.ch/userfiles/files/48339676438.pdfIn PDF document text
- http://sdes.in/uploads/99148595608.pdfIn PDF document text
- https://livresdarts.com/ckfinder/userfiles/files/foremetirim.pdfIn PDF document text
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161370c54bd1f5---48026348424.pdfIn PDF document text
- http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141b8ee49127---ruwapaba.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_off0000bcfd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCFD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d513.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD513 | 9980 bytes |
SHA-256: 4323492226d75e7e7cb9655610a7a8d76a3e39f4f2cea1461f41534e646d8971 |
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font_02_sfnt_off0000eb14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB14 | 17248 bytes |
SHA-256: ee6e59b7b55e616c29462a1b9f0f40dcb5d1d97fb1e41044877cca17c0f62ede |
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