MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of multiple external URIs and link farms indicates an attempt to distribute or phish for information.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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=meaning+of+the+letter+v PDF link annotation
- https://textosolutionslinguistiques.com/upload/editor/file/42650738633.pdfIn PDF document text
- http://kppzp.pl/userfiles/file/46858573025.pdfIn PDF document text
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e06596efb4---9162781389.pdfIn PDF document text
- https://www.agencesramos.com/ckfinder/userfiles/files/22669193532.pdfIn PDF document text
- https://birutelorasin.com/contents/files/linuz.pdfIn PDF document text
- http://fantasymusic.it/userfiles/files/40233711561.pdfIn PDF document text
- http://appartementslisa.it/an3_Uploads/file/17837048001.pdfIn PDF document text
- https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/umk5b48f9v76i2crcq6lt2bn86/61207930219.pdfIn PDF document text
- http://slovbau.sk/test/userfiles/file/62134597679.pdfIn PDF document text
- http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/1e93fe395435e122e6c4cc33646a922f/bobisanemapijavuviti.pdfIn PDF document text
- https://www.larche-de-jules.fr/ckfinder/userfiles/files/nagiribigitirerox.pdfIn PDF document text
- http://thermcom.cz/userfiles/file/20316056880.pdfIn PDF document text
- http://saatgaamkansarasamaj.com/admin/uploads/files/5069511800.pdfIn PDF document text
- https://konchris.com/userfiles/file/1631554945.pdfIn PDF document text
- http://cupta.org/userfiles/files/20210909171520.pdfIn PDF document text
- https://harom.ro/files/file/lozugek.pdfIn PDF document text
- http://akicgiyim.com/userfiles/file/ruxolunutovomoz.pdfIn PDF document text
- http://talleresjpg.es/img/file/88899786494.pdfIn PDF document text
- http://ongxoanhdpe.vn/upload/files/15434111628.pdfIn PDF document text
- http://sibzakon.ru/ckfinder/userfiles/files/numubopidagedaxuruvuver.pdfIn PDF document text
- http://slmj8.com/data/userfiles/files/80588104627.pdfIn PDF document text
- http://klhl.com/userfiles/file/48378893231.pdfIn PDF document text
- http://olguanaokulu.com/upload/file/luzapekufatuneviwinajit.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_off0000b531.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB531 | 17384 bytes |
SHA-256: 1c7f874962724c1c3a7bfc1161b22e3007fcf8566cf7d4d8d0160b576de20901 |
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font_01_sfnt_off0000e188.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE188 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f99f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF99F | 10384 bytes |
SHA-256: 4d62d7046c0114daf1965392b449dc3d9ff6181cd4e248d6b8821ac2246a16df |
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