MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, many pointing to compromised CMS uploads or disposable hosting, indicating a link farm designed to lure users to potentially malicious sites. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 http://lycee-elm.org/userfiles/file/vagodizewibavexomowuki.pdf In PDF document text
- https://franchiseharbor.com/files/files/gulirisoximoliborez.pdfIn PDF document text
- http://jn-zhsc.com/upload/polebu.pdfIn PDF document text
- http://9262895.ru/ckfinder/userfiles/files/zilivepu.pdfIn PDF document text
- http://vektor-bezpeki.com/userfiles/files/16389648814.pdfIn PDF document text
- http://slsnn.ru/content/file/77353078301.pdfIn PDF document text
- http://murielbellhomes.com/userfiles/files/68355621620.pdfIn PDF document text
- http://taaltoetsvo.nl/userfiles/file/5023087139.pdfIn PDF document text
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/161302c89ee91e---xozovugiwejubojunizeli.pdfIn PDF document text
- http://angel-conference.org/upload_fck/file/2021-9-12/20210912015345146997.pdfIn PDF document text
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/161362fb7aaba0---90448268446.pdfIn PDF document text
- http://guerrazzi.info/userfiles/files/88428435778.pdfIn PDF document text
- https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/161358b4c698c5---fakiboputotuvujov.pdfIn PDF document text
- https://bursakaynak.net/userfiles/file/46412334303.pdfIn PDF document text
- http://h-n-s.net/userfiles/file/padosisopefirisenu.pdfIn PDF document text
- http://yidaig.com/uploadfile/file/20210915164719.pdfIn PDF document text
- http://otczenacts.com/media/files/fokoderil.pdfIn PDF document text
- https://www.domaine-vrignaud.com/ckfinder/userfiles/files/16923716789.pdfIn PDF document text
- http://wumag.pl/userfiles/file/resivekoxezo.pdfIn PDF document text
- http://dawahcity.com/userfiles/file/12576627788.pdfIn PDF document text
- https://doanhnghiepvietnam.niengiamdoanhnghiep.vn/img_duhoc/files/waximufeza.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=can+i+change+miui+to+stock+androidPDF 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_off0000ce2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE2D | 17924 bytes |
SHA-256: 4af5310e70065bd7ded65542e1e5ac3d5dfe8926d35488ab5b750df5c5479c16 |
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font_01_sfnt_off0000fc5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC5D | 10996 bytes |
SHA-256: 00d5fd9c0c0f62922ba75a8d2d264b3ea4419b511c21e6285812c26068ceb076 |
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font_02_sfnt_off00011592.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11592 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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