MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The file's structure as a link farm, coupled with the nature of the URLs, points towards an attempt to lure users to malicious content.
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://synerhu.ru/uplcv?utm_term=gta+5+game+offline+apk+free+download PDF link annotation
- https://tatvan.in/userfiles/file/zutiwivodulevup.pdfIn PDF document text
- http://futurepoolandspa.com/ckfinder/userfiles/files/vinovoz.pdfIn PDF document text
- https://dichvumoinoi.com/ckfinder/userfiles/files/kalidewudisa.pdfIn PDF document text
- http://abbwingslynnhaven.com/uploads/files/1570948130.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/gujuper.pdfIn PDF document text
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612f62392d191---64346180655.pdfIn PDF document text
- https://pesonabali.dswip.com/ci/userfiles/files/13098769205.pdfIn PDF document text
- http://amadpich.com/userfiles/file/vejuwoxar.pdfIn PDF document text
- http://szermgrt.hu/uploads/ckfinder/userfiles/files/83290994951.pdfIn PDF document text
- https://ckmusicdesign.nl/userfiles/file/26691940987.pdfIn PDF document text
- https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613755fdaaad6---28784935638.pdfIn PDF document text
- https://magiccat.pro/ckfinder/userfiles/files/82520443766.pdfIn PDF document text
- https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/2e862e5d5f12a9751f75a7bd04b9e654/jofixepanem.pdfIn PDF document text
- http://secondhandgraphics.com/usrfiles/file/janejawupusexapemidor.pdfIn PDF document text
- http://klinok-saintp.ru/files/82314650108.pdfIn PDF document text
- https://ofertaromania.ro/ckfinder/userfiles/files/3859008217.pdfIn PDF document text
- https://everywheregenes.com/uploadfile/qu26_qu106_com/files/gixowunubati.pdfIn PDF document text
- http://veszpremkosar.hu/_user/file/loxomegavabogux.pdfIn PDF document text
- https://fleuriste79.fr/ckfinder/userfiles/files/22041364919.pdfIn PDF document text
- http://lyshiying.com/d/files/vuzirepirutejunik.pdfIn PDF document text
- http://eatoceanic.iorderfoods.com/uploads/files/92204118433.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_off0000b31e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB31E | 16456 bytes |
SHA-256: 7192f240fdaf76b6e140bfe2b3d644663e4e642a84a24d41893831de65577517 |
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font_01_sfnt_off0000dd38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD38 | 11024 bytes |
SHA-256: 05c4e6571562f181cc9f7e9a5bcd9b645f065c86e301ff13a09c367860227ea4 |
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font_02_sfnt_off0000f6bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6BB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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