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 WordPress upload directories or disposable hosting, suggesting a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://techinnsrl.com/writable/public/userfiles/file/buxuxatugibutozepura.pdf In PDF document text
- http://cec-intl.ru/app/webroot/files/file/39668340546.pdfIn PDF document text
- https://orcasproje.com/userfiles/file/63678616430.pdfIn PDF document text
- https://chung-pei.com/userfiles/file/kepoxenenuzefukuxegukidi.pdfIn PDF document text
- https://www.pelicanfinancialnetwork.com/ckfinder/userfiles/files/24897483945.pdfIn PDF document text
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1612f168a86528---45459272220.pdfIn PDF document text
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/lsqtu9v6b6ltqkibe09hu7lu14/8297596028.pdfIn PDF document text
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/7e11b316a37b6c31ffec615862ad194b/wikawosap.pdfIn PDF document text
- https://www.wroclawmodelshow.pl/ckfinder/userfiles/files/31563694169.pdfIn PDF document text
- http://weilandensemble.nl/ckfinder/userfiles/files/23033817303.pdfIn PDF document text
- http://mim2010.ru/userfiles/file/2704305029.pdfIn PDF document text
- https://digireg.es/upload/19617819401.pdfIn PDF document text
- https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d6c5f01978---lisonekekuket.pdfIn PDF document text
- http://fueandhair.com/userfiles/files/4442547446.pdfIn PDF document text
- https://cryptobasics.biz/uploads/files/rawewubifogubix.pdfIn PDF document text
- http://phutungquanghieu.com/app/webroot/files/ckfinder/files/xebagurotapene.pdfIn PDF document text
- http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143a8d0baff5---43016627390.pdfIn PDF document text
- http://quincy.pl/ckfinder/userfiles/files/69746477334.pdfIn PDF document text
- https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/mju6cf5ejeppk5qb78h03q8f15/dinamelemodijenasilarefis.pdfIn PDF document text
- http://greenmodels.ru/uploads/files/40720577645.pdfIn PDF document text
- https://avflash.nl/upload/files/23617058579.pdfIn PDF document text
- http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161377277966ad---rozegubomimezumil.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=practical+music+theory+pdfPDF link annotation
- https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/e8fdecb5d3936b1e2ebf478c8061c8b3/28900605290.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_off0000dd0c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD0C | 17516 bytes |
SHA-256: 57f1d6e182dbeeeb3d4229c03bd15ef60ce7d3423bc300b41663c3131c3ae80e |
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font_01_sfnt_off00010ac4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AC4 | 10996 bytes |
SHA-256: dd4d29dd31a75576df3264c5e8ea5d4a1e1e5dcd3e5a87cc58537cfc4d8f29e7 |
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font_02_sfnt_off00012457.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12457 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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