MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is a PDF document flagged by ClamAV as Pdf.Phishing.Trojan. It contains a large number of embedded URLs, many of which point to compromised WordPress sites, indicating a link farm designed to distribute malicious content or phish users. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://medvor.ru/uplcv?utm_term=where+to+download+seasonal+movies PDF link annotation
- https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/3203d3a163cf019f778568eb52b73ab6/45674343230.pdfIn PDF document text
- http://karpatskiles.ru/store/files/bukuw.pdfIn PDF document text
- https://hotelpancharatna.com/assets/userfiles/files/82803996137.pdfIn PDF document text
- http://stepasidemedical.com/images/uploads/file/jusafovuzutotameni.pdfIn PDF document text
- http://studiotecnicopetrillo.eu/userfiles/files/44283385872.pdfIn PDF document text
- http://agriturismocorteerbatici.it/userfiles/files/pabejudipuzemaz.pdfIn PDF document text
- https://marblobaths.ph/app/webroot/img/files/lunatoxivufusezaxekaki.pdfIn PDF document text
- https://suativisamsungtaihanoi.net/upload/files/92996225260.pdfIn PDF document text
- https://bedandbreakfastchia.it/userfiles/file/xotufesemaz.pdfIn PDF document text
- https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/c288a07c52d7e426a91e2df9176a94a6/rekasano.pdfIn PDF document text
- http://veterinariacasettamattei.it/userfiles/files/5623441373.pdfIn PDF document text
- http://ffarchitettura.it/userfiles/files/sinig.pdfIn PDF document text
- http://thegioituigiay.net/uploads/files/96726525801.pdfIn PDF document text
- http://rayer.cn/d/files/56745862930.pdfIn PDF document text
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/g8vdgr3ehs5bmkpsec0tucvkq1/zuditizibagakasanupod.pdfIn PDF document text
- https://asfus.net/virgsurv/userfiles/file/zizazofitadajatebimeni.pdfIn PDF document text
- http://zlzljc.com/uploadfile/file///2021090122570463.pdfIn PDF document text
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141f32877467---39271376466.pdfIn PDF document text
- https://paintingwithapassion.com/nbloom/fckuploads/file/89877306713.pdfIn PDF document text
- http://cellfruits.com/ckfinder/userfiles/files/nenikomavapowovilokorupo.pdfIn PDF document text
- https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613ec2820f568---37760892926.pdfIn PDF document text
- http://exoticland.bg/upload/files/files/83333106403.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_off0000ea8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA8E | 10656 bytes |
SHA-256: fa4d3967d6c1383253dd9d9baa4f36d6fc57bf02b43c21c78ffe74765cc78a28 |
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font_01_sfnt_off000102d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102D2 | 18376 bytes |
SHA-256: 0a0b7c84e01b19447b1b53d2270a3d0aa44cdf7a361cf6284a17aaa900e96a32 |
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font_02_sfnt_off000132f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132F1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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