MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous embedded URLs, many of which point to compromised WordPress sites and disposable hosting. The heuristic firings indicate this is a link farm designed to direct users to potentially malicious content. ClamAV detection and ML classification confirm its malicious nature, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://cructi.ru/uplcv?utm_term=inkscape+convert+eps+to+pdf PDF link annotation
- https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/ec65f55d3ca00178b8ebafbddc6dd1d4/jalurizajeneg.pdfIn PDF document text
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/16079e1e843034---sodizunofufiguvate.pdfIn PDF document text
- http://ghalemdi.com/userfiles/file/sitajusurukomapisol.pdfIn PDF document text
- https://sdhouse.info/ckfinder/userfiles/files/9220121754.pdfIn PDF document text
- http://kirilmazbardak.com/userfiles/file/pexoloves.pdfIn PDF document text
- http://bakoca.hu/files/file/60293699422.pdfIn PDF document text
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/e17358ccd58c98503d79dc9becadf1b0/74286021749.pdfIn PDF document text
- https://www.hausbootgeiseltalsee.de/wp-content/plugins/super-forms/uploads/php/files/e590rm6gdb4opjphanorgj9r9p/27201406025.pdfIn PDF document text
- http://dainindo.com/Uploads/userfiles/files/700097585.pdfIn PDF document text
- http://hopkins1983.com/clients/861771/File/powiputiwidadilaxezibusim.pdfIn PDF document text
- http://archidaldegan.eu/userfiles/files/xafigigi.pdfIn PDF document text
- http://dailymaytrogiang.com/userfiles/files/25878654847.pdfIn PDF document text
- https://nenanhduong.vn/Upload/files/90317032821.pdfIn PDF document text
- http://tantex.org/tantex/tantexuserfiles/file/nedimejivuga.pdfIn PDF document text
- https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/d020pe2t4kudlnd1s5lipeqh5u/38157166855.pdfIn PDF document text
- https://agronlogistics.com/userfiles/files/kigerobu.pdfIn PDF document text
- http://projectbudapest.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1607622efc0f49---42118189113.pdfIn PDF document text
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160bd042f388df---10266157686.pdfIn PDF document text
- https://dbjadow.pl/attachments/file/relam.pdfIn PDF document text
- http://worshipedia.net/sites/default/files/file/satumutavibalotefimuge.pdfIn PDF document text
- http://artospace.com/pics/file/nakexiguwotujazuxufos.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_off0000ae9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE9B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c6ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6AD | 15408 bytes |
SHA-256: a874eb36e90bd696f526869a3cb8c2e32168142de2df065aa95b0bb71d90349f |
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font_02_sfnt_off0000ec8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC8D | 10584 bytes |
SHA-256: 6822594e02490da201860997d0c1617ab0897c05a9ff300057ab04ca59742a37 |
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