MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for Pdf.Phishing.Trojan. The numerous embedded URLs, many pointing to compromised WordPress uploads or disposable hosting, indicate a link farm designed to redirect users to malicious content. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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=android+toolbar+title+center PDF link annotation
- http://rockefellersgold.hu/editor_up/19372128741.pdfIn PDF document text
- https://globalathena.com/ckfinder/userfiles/files/momagupesogirekopodibudu.pdfIn PDF document text
- http://muszempilla.com/files/file/2264745129.pdfIn PDF document text
- http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614138cb737e2---retetogibegusozadabotinax.pdfIn PDF document text
- http://itnetworkconsultingsf.com/helpdesk/app/webroot/img/userfiles/files/44422571311.pdfIn PDF document text
- http://yoron.net/up/files/zulopesedujibizagejubixe.pdfIn PDF document text
- https://anmoul.com/userfiles/file/46262447523.pdfIn PDF document text
- https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/0da3d27415ec47d6b837cc1c520677cb/82698897538.pdfIn PDF document text
- http://fusiongrup.ro/userfiles/file/61102327996.pdfIn PDF document text
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/161425b864c8a7---22727319199.pdfIn PDF document text
- https://havadisname.com/upload/ckfinder/files/93362170965.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/f91c3e4f02c05f3fd1d549f7d9f4d123/99093333809.pdfIn PDF document text
- http://origo.ws/userfiles/file/rodirogodusewijolawe.pdfIn PDF document text
- http://akcjonariusz.com/UserFiles/file/54613368715.pdfIn PDF document text
- http://wxbeimei.cn/upload/ckimg/files/202109160630529467.pdfIn PDF document text
- http://greenearthgardens.org/userfiles/56976818465.pdfIn PDF document text
- https://skyzoan.com/cake/beta/userfiles/file/43556367554.pdfIn PDF document text
- https://soalmatematik.com/userfiles/file/64367715972.pdfIn PDF document text
- http://sangjeom.com/userfiles/file///buvogul.pdfIn PDF document text
- http://macro-e.com/app/webroot/userfiles/files/51165392352.pdfIn PDF document text
- https://propage.q-cloud.net/upload/ckeditor/pages/files/zodewiputaziv.pdfIn PDF document text
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bb5345761a---23332377363.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_off0000cf8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF8F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e7a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7A6 | 10316 bytes |
SHA-256: 8fae477b89ac2bccfc47a4ff5c41b2aea1e50043425a19fde2e42d0db114fafd |
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font_02_sfnt_off0000fefc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEFC | 18104 bytes |
SHA-256: 49f834f8fd50f94c6fc918af2804b62a26cf48996ec2fc3cb91da1ac84f07271 |
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