MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains numerous URLs, many of which point to compromised WordPress sites, suggesting an attempt to lure users to malicious content or phishing pages. The structure indicates a link farm designed to distribute traffic across various domains, potentially for SEO manipulation or to obscure the ultimate malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://xn----7sbbjg7ctfs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/fe80a2f4270bcf855e6540e97bfbf6e1/tatiwurokexu.pdf In PDF document text
- http://phantasos.org/userfiles/file/xoxenutixepixi.pdfIn PDF document text
- https://ctsgroups.asia/images/file/6626094277.pdfIn PDF document text
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/16070bc918ba21---sipemazubet.pdfIn PDF document text
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160999de12f29e---69892271505.pdfIn PDF document text
- http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076b0612eb18---81406966366.pdfIn PDF document text
- http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/502a22618e53f56ace05cbb13c0ca78e/61487687388.pdfIn PDF document text
- https://quatcongnghieput.com/uploads/files/relidijonoli.pdfIn PDF document text
- https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/c62f89a6c04bca403b092bc0ff1bb1ea/69071443911.pdfIn PDF document text
- http://asesorgubernamental.com/images/file/gegerawurepelasak.pdfIn PDF document text
- http://namngonviet.vn/user-/files/nikupejumevarijenifim.pdfIn PDF document text
- http://progfin.pl/userfiles/file/60024445846.pdfIn PDF document text
- http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/31814496100.pdfIn PDF document text
- http://shreejians.com/userfiles/file/49689200990.pdfIn PDF document text
- https://actorconseil.com/files/file/madubibifitovewin.pdfIn PDF document text
- https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607111b1dffff---dunagevu.pdfIn PDF document text
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607dcc4d3a0c0---2444845277.pdfIn PDF document text
- http://globaltruthmediagroup.com/clients/a/aa/aa8380eac451876ae6ab993bf3a720d6/File/35610120828.pdfIn PDF document text
- https://samngaimarble.com/html_upload/file/wawubimu.pdfIn PDF document text
- https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/4vr3snmvh368j15rs8p4b3jqv0/30120650610.pdfIn PDF document text
- http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/bd8595408e626b8b485304e1bde229ea/lobexisax.pdfIn PDF document text
- http://stacjaregeneracja.pl/userfiles/file/95113259947.pdfIn PDF document text
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160ce8ad825218---58602521335.pdfIn PDF document text
- https://soalmatematik.com/userfiles/file/gesep.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=journal+article+bibliographyPDF 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_off0000fd47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD47 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001155e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1155E | 10832 bytes |
SHA-256: 0713448743ed6776013b82bda0075832c9bed1aae34cac788853608920d80696 |
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font_02_sfnt_off00012e15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E15 | 17232 bytes |
SHA-256: 7669cd9957643096014925aaa596989bf367238a7d169bef0a47f091ba08846a |
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