MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to compromised WordPress sites or link farms, suggesting a phishing or malware distribution scheme. The PDF's structure and embedded links align with techniques used to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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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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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=export+text+messages+to+pdf+android PDF link annotation
- https://bepcongnghiepphuchung.vn/userfiles/file/nurikikiw.pdfIn PDF document text
- https://angelsstaff.com/uploads/file/72613078756.pdfIn PDF document text
- https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614f8af15affd---femiguke.pdfIn PDF document text
- http://ty-universe.com/image/files/20210908_085252.pdfIn PDF document text
- http://sungder.com/upload/lameluw.pdfIn PDF document text
- http://studioagm.it/userfiles/files/79758032687.pdfIn PDF document text
- http://paneldeconsos.com/userfiles/file/5557656389.pdfIn PDF document text
- http://paramountswimwear.com/userfiles/files/takib.pdfIn PDF document text
- https://fundacionamigosdelmarcaribe.ong/ckfinder/userfiles/files/48688872754.pdfIn PDF document text
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131faf91bf64---kobusunon.pdfIn PDF document text
- http://whitedwarf.ru/public/images/ckfinder/files/99067775190.pdfIn PDF document text
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/f41754ffng5pkuvu774e8ueoos/59888031346.pdfIn PDF document text
- https://ofly.om-digitalsolutions.cn/upload/files/28078934897.pdfIn PDF document text
- https://akemi.ro/hirek/file/bebunalugikalabadoderiduz.pdfIn PDF document text
- http://xn--9w3b270a7kf.kr/ckfinder/userfiles/files/dudokipurovel.pdfIn PDF document text
- http://thegioioto.store/upload/files/19093318276.pdfIn PDF document text
- https://assignmentmart.com/ckfinder/userfiles/files/78144607789.pdfIn PDF document text
- https://coffotea.com/uploads/files/202108311951196193.pdfIn PDF document text
- http://satisfytech.com/ck/upload/files/lebejelisifilir.pdfIn PDF document text
- https://www.asoriofrio.org/ckfinder/userfiles/files/69438542415.pdfIn PDF document text
- http://indecomavo.pl/userimg/inc/dipatorato.pdfIn PDF document text
- http://gmei.lt/ckfinder/userfiles/files/xiluzasor.pdfIn PDF document text
- http://around-sicily.net/userfiles/file/29928609998.pdfIn PDF document text
- http://emilybarnes.com/DEVELOPMENT/VERSIONED/emilybarnes/trunk/sites/default/files/file/timilolur.pdfIn PDF document text
- http://aasghsflqsae.handylover.com/upload/files/23982887438.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_off0000b896.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB896 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d0ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0AD | 10880 bytes |
SHA-256: 55daecf5e65efc50050b0b9ea2395f1684a6a16db146d3ec87f1bc9d49b58530 |
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font_02_sfnt_off0000e99f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE99F | 17716 bytes |
SHA-256: 3dab363cee53f057b9ed0ac44571affc0ef7ee40537342dbc7bfa62fbb5a36c8 |
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