MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many pointing to compromised WordPress sites, suggesting a phishing or malware distribution lure. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of a 'link farm' heuristic further supports the attack pattern of directing users to external, potentially harmful, resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://crysiq.ru/uplcv?utm_term=how+to+hack+instagram+private+account PDF link annotation
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c7a7c0578c---wujezetinafow.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161355fe62ae82---zafowa.pdfIn PDF document text
- http://hanahana.vn/media/ftp/file/87076455327.pdfIn PDF document text
- https://ksmt.edu.np/assets/ckfinder/userfiles/files/nafoworeledap.pdfIn PDF document text
- http://fairbank-ia.org/admin/ckfinder/userfiles/files/89734057573.pdfIn PDF document text
- http://balashixa.inhome360.ru/admin/ckfinder/userfiles/files/mujipuvazot.pdfIn PDF document text
- https://renetravel.ro/images/files/zokemigivid.pdfIn PDF document text
- http://gachtrangtritranvinhtin.com/gachtrangtritranvinhtin/Images_upload/files/pasifixaru.pdfIn PDF document text
- http://brette-animation.com/userfiles/file/75472772993.pdfIn PDF document text
- https://777mto.org/contents/files/vutiwirusi.pdfIn PDF document text
- https://wangwangcamp.com/uploads/files/202109020355322733.pdfIn PDF document text
- https://angel-juicer.com/FileData/ckfinder/files/20210916_58FF09EA8B3578A6.pdfIn PDF document text
- http://polletnv.be/uploads/files/kuvejizetuxetonugawozu.pdfIn PDF document text
- http://tomekorea.com/userData/board/file/dejajudowan.pdfIn PDF document text
- http://akgwealthplanner.com/crm/files/86184633818.pdfIn PDF document text
- http://beccaro.it/userfiles/files/39784278357.pdfIn PDF document text
- http://erictex.com/ufiles/files/nugil.pdfIn PDF document text
- https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/tmp/43315144835.pdfIn PDF document text
- http://liebherr-tr.com/userfiles/file/91216351896.pdfIn PDF document text
- http://www.pantonerestauri.com/ckfinder/userfiles/files/57235537616.pdfIn PDF document text
- http://www.logomarcanet.com/userfiles/file/kekomun.pdfIn PDF document text
- https://ewdel.cz/ckfinder/userfiles/files/90595419371.pdfIn PDF document text
- https://pt2-turbo-j3t.com/contents/files/gavirugatoxe.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_off0000c80a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC80A | 17692 bytes |
SHA-256: 174f494955f67d85657dbf8bf4ef404893b7d0fcbe4d71e6f0cbf10e1ac15eff |
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font_01_sfnt_off0000f536.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF536 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010d4d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D4D | 11112 bytes |
SHA-256: f59962481ea48e9b88d2682594a9bd2f29654592e212cd3d6acc4b1590353f39 |
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