MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://smidgel.ru/uplcv?utm_term=how+to+update+android+version+using+mobile+data PDF link annotation
- http://beautifulmoda.com/userfiles/files/genofeledomiwu.pdfIn PDF document text
- http://www.zdravotechnika.com/ckfinder/userfiles/files/sazalevif.pdfIn PDF document text
- https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16133a57c6409c---taxefopotino.pdfIn PDF document text
- http://seasonsblinds.com/uploads/ckfinder/userfiles/files/salupokelilud.pdfIn PDF document text
- http://rockhouseschool.com/rockhouse/uploads/files/18260069508.pdfIn PDF document text
- http://pokwuttibut.com/file_media/file_image/file/jamotetizane.pdfIn PDF document text
- https://reparationmobile.net/userfiles/file/87623353134.pdfIn PDF document text
- http://omgmediatank.com/userfiles/files/zogopuzopenazegumojamonat.pdfIn PDF document text
- http://alrabbancapital.com/file/files/3566848793.pdfIn PDF document text
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16130ad8b51000---95387213363.pdfIn PDF document text
- http://modellszerviz.hu/userfiles/file/vazapovofekugawod.pdfIn PDF document text
- http://corse.annuaire-regional.com/ckfinder/userfiles/files/tuzex.pdfIn PDF document text
- http://mptech.vn/ckfinder/userfiles/files/36901159585.pdfIn PDF document text
- https://jck.ro/userfiles/file/kegezik.pdfIn PDF document text
- http://harryreichert.de/uploaded_pics/News/file/bedavagekuzutuv.pdfIn PDF document text
- http://bndweb.nl/upload/files/99176780623.pdfIn PDF document text
- https://vildmarksjagt.dk/userfiles/file/28677710568.pdfIn PDF document text
- https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133cd1c1e367---dokakoten.pdfIn PDF document text
- http://nhanvietgroup.com/demo/xay-dung-tnx/upload/files/fedesejewa.pdfIn PDF document text
- http://gdfsztal.com/uploadfile/files/takunaxabimogabipi.pdfIn PDF document text
- http://xn--939a66v0zjo3bcvdmrp.com/data/ckfinder/files/wobavirurojo.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_off0000cf7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF7F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e796.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE796 | 11120 bytes |
SHA-256: 810fa0da220741ef22bf50936f9bea15f8a346728573d35e60e7bc271a8e4775 |
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font_02_sfnt_off00010117.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10117 | 17924 bytes |
SHA-256: de96d16747341dcdcdf13a5e3ba32a75af8f8490a26160ba1692b07b3ceb6286 |
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