MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, suggesting a link farm designed to obscure the ultimate destination. The presence of embedded JavaScript and a high ML classifier score further indicate malicious intent. ClamAV detection confirms this as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://philabc.ru/uplcv?utm_term=taxonomy+action+verbs PDF link annotation
- http://condosworld.com/abisol1/userfiles/files/xusabodidulolop.pdfIn PDF document text
- http://www.egavilanes.com/ckfinder/userfiles/files/48939331727.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/161468874849a9---55361949878.pdfIn PDF document text
- http://banghetretunhien.com/media/ftp/file/46298733150.pdfIn PDF document text
- https://receptabc.hu/images_banner/files/lixagolewin.pdfIn PDF document text
- https://psfund.org/public/uploads/files/cms_files/97892420746.pdfIn PDF document text
- https://fwstc.in/userfiles/file/19878699467.pdfIn PDF document text
- https://peoplehelppeople.net/uploads/File/3791840545.pdfIn PDF document text
- https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/73f5d05cbc6cf122281d0ef58bf85a78/nagutuvagugawozufexo.pdfIn PDF document text
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132ef5f2c250---4417671005.pdfIn PDF document text
- https://anbuadidravidarmatrimony.com/ckfinder/userfiles/files/vulevobuzawisuzijad.pdfIn PDF document text
- https://casadko.fr/userfiles/file/fufojijuzolubav.pdfIn PDF document text
- http://impex-italia.it/userfiles/files/suxapezadefiwukejatep.pdfIn PDF document text
- https://alwillislifecenter.org/ckfinder/userfiles/files/resolusikadudepowu.pdfIn PDF document text
- http://kokocurry.gm/userfiles/file/95668003704.pdfIn PDF document text
- https://www.eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/7637075357.pdfIn PDF document text
- http://cdkuysuujk.handysociality.com/upload/files/36107367102.pdfIn PDF document text
- http://megaprestige.ru/uploads/files/geponozekewukodu.pdfIn PDF document text
- http://cardealer-space.com/js/upload/files/janekosisukupan.pdfIn PDF document text
- https://next-engineering.com/userfiles/files/72782735024.pdfIn PDF document text
- https://dukupahit.com/contents/files/winubisodujawef.pdfIn PDF document text
- http://formel1vermietung.de/userfiles/file/ludovexizijowuzi.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_off0000d366.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD366 | 10728 bytes |
SHA-256: ac1f129c8f695fa58f66ee84d224adecd8063a5f7a4c06b00c245c3e40f3e912 |
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font_01_sfnt_off0000ec26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC26 | 18192 bytes |
SHA-256: 0dee3bf203e192bc5922d18aed2cabe2d1b237e56f8422ef35acfc4b185fb59f |
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font_02_sfnt_off00011ab0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AB0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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