MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to compromised WordPress sites, which in turn host more PDF files. This structure suggests a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://coretry.ru/uplcv?utm_term=rarevision+vhs+free+download PDF link annotation
- https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1613a2e46b3c0b---64952143226.pdfIn PDF document text
- http://labonscafe.com/userfiles/96327485033.pdfIn PDF document text
- http://vin-baietii.ro/ckfinder/userfiles/files/36001437782.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613489b26d4de---putosidogaraluj.pdfIn PDF document text
- https://ardiinerkh.mn/uploads/userfiles/files/67775949119.pdfIn PDF document text
- http://emailreceptionist.net/userfiles/file/futolupamusir.pdfIn PDF document text
- https://binhruamuinanobac.com/wp-content/plugins/super-forms/uploads/php/files/1f69gl78hmodtmnf3ptb0bilsh/96578177770.pdfIn PDF document text
- https://xo-sound.ru/userfiles/file/keginezanud.pdfIn PDF document text
- http://esebtekstil.com/resimler/files/61072481821.pdfIn PDF document text
- https://kanat.com/upload/ckfinder/files/xodimug.pdfIn PDF document text
- http://hotstamping.pl/files/file/pewub.pdfIn PDF document text
- http://zaintik.org/files/galeria/files/50965807644.pdfIn PDF document text
- http://cmtoolsrental.com/user_img/files/36691090021.pdfIn PDF document text
- http://csc0898.com/userfiles/file/20210905175130_hx0h7c.pdfIn PDF document text
- https://yuanfuconstruction.com/ckfinder/upload/files/4403635611.pdfIn PDF document text
- http://cathyknightwaite.com/ckfinder/userfiles/files/46536778286.pdfIn PDF document text
- http://buffagiuseppeinfissi.com/userfiles/files/sukamonirol.pdfIn PDF document text
- http://lycee-elm.com/userfiles/file/jorilifa.pdfIn PDF document text
- http://sendedianqi.com/upload_fck/file/2021-9-10/20210910060921161797.pdfIn PDF document text
- https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/ok3erfmn980boi99rkkdesl0cj/15095121574.pdfIn PDF document text
- https://iskoruma.com/upload/ckfinder/files/34000909488.pdfIn PDF document text
- https://strategie-forex.com/ckfinder/userfiles/files/sopan.pdfIn PDF document text
- https://directorvincentchow.com/fck_filemanager_upload/file/55628867273.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_off0000d83d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD83D | 10552 bytes |
SHA-256: 1df3f9c63e29a8441b9773422686deb4e5b71d09179b51ea2852abd1ed22632d |
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font_01_sfnt_off0000f044.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF044 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010856.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10856 | 17988 bytes |
SHA-256: b4dbac459b99c95bd3d9c1826ca4371b2ac992b1ee601afa2c6ff2eeff4e864a |
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