MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure and URL analysis point to a malicious redirection scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://beysukonaklari.com/ckfinder/userfiles/files/mubedutubufepozi.pdf In PDF document text
- https://oolong-dining-co.com/webroot/editor-uploads/files/benufopolixetu.pdfIn PDF document text
- https://paperland.bg/uploads/file/javolape.pdfIn PDF document text
- http://webursitet.org/Files/file/salasagalusoraruw.pdfIn PDF document text
- http://uat2.hkha.com.hk/ckfinder/userfiles/files/22626287933.pdfIn PDF document text
- http://lscapital.it/images/file/22119397767.pdfIn PDF document text
- http://pro-group.ru/userfiles/file/23741721345.pdfIn PDF document text
- http://utcsp2.rustyramone.com/uploads/files/97866814081.pdfIn PDF document text
- http://crystaltrade.hu/data/file/61833888521.pdfIn PDF document text
- http://dkind.net/userData/board/file/77969587654.pdfIn PDF document text
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bf823bf185---duluvipepepixekojuxutizit.pdfIn PDF document text
- http://prodottoitalia.eu/userfiles/files/45513157395.pdfIn PDF document text
- http://bigbazar.cz/is/images/FCKeditor/File/19325690840.pdfIn PDF document text
- https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/f07cafe4878fca40769f755adc457ae1/wanomotidexuvegudono.pdfIn PDF document text
- http://xn--72c7caerxx0d3a9eve.com/UserFiles/File/2588181055.pdfIn PDF document text
- http://forepic.com/_UploadFile/Images/file/13208807359.pdfIn PDF document text
- https://etadelloro.it/images/file/14009647423.pdfIn PDF document text
- http://abwlondonblvd.com/uploads/files/35383392006.pdfIn PDF document text
- http://arenabilardo.com/data/_files/77776599372.pdfIn PDF document text
- http://dagmare.de/userfiles/file/pijasogodezap.pdfIn PDF document text
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613aa09ae1571---73610837416.pdfIn PDF document text
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/161438493326cb---64147995383.pdfIn PDF document text
- http://kebirbeton.com/userfiles/file/zesozogo.pdfIn PDF document text
- https://parlagame.com/calisma2/files/uploads/kiluke.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=the+old+guard+full+movie+watch+online+freePDF link annotation
- 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_off0000ea51.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA51 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010263.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10263 | 18932 bytes |
SHA-256: 3b5be1d0408275e8f9e05d78dce7437bebbea71e612b78ffe5dfca2f2419c531 |
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font_02_sfnt_off000133de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133DE | 10972 bytes |
SHA-256: 9c619464af2ea92575f230f78b019bbe031cb2250dda02af6e1f6874214f5a77 |
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