MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing lure, likely designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://chcial.ru/uplcv?utm_term=confluence+pdf+stylesheet+example PDF link annotation
- https://laihouston.com/wp-content/plugins/super-forms/uploads/php/files/180fdcbdb9c52ca7bc64a499c6b01105/torubetapuwazoxotupe.pdfIn PDF document text
- http://arci-mp.fr/admin/File/vedopofanagolaxuz.pdfIn PDF document text
- https://bkht.vn/userfiles/file/pabaxevagam.pdfIn PDF document text
- http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/16099c380ba017---deriga.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/r0t1crkholuplvdpjvnp1lvap3/folotewuxarejinexo.pdfIn PDF document text
- https://clickkedai.com/userfiles/file/77937846425.pdfIn PDF document text
- http://czdashan.cn/uploadfile/file/2021050316590573499.pdfIn PDF document text
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b38e4e05b2---lepejupifu.pdfIn PDF document text
- https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609482c4b5bd1---91724579008.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/kikobibedabivumulug.pdfIn PDF document text
- https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/14a393b563a9346801922b97dc4b92b2/54679262832.pdfIn PDF document text
- https://kimtuong.vn/isc/public/files/fckupload/file/56749008136.pdfIn PDF document text
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094ae7ca3874---35273685669.pdfIn PDF document text
- https://micast.de/wp-content/plugins/super-forms/uploads/php/files/1kj6npgnrlpn6o5oaitkddbcg1/50222986610.pdfIn PDF document text
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/75c9b2582ade9c52a1a9db04ee6c7721/18915427156.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn 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_off0000ce95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE95 | 5376 bytes |
SHA-256: 440769f95cd12dadc815f9eee135b4ef2a5b7905504103806fac87f21386b2fd |
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font_01_sfnt_off0000e0c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0C8 | 11040 bytes |
SHA-256: 53871567fb2d8d6b38582fc889e58cf4727e3dc52e3bdd75154928747aa7b737 |
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font_02_sfnt_off00010636.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10636 | 16036 bytes |
SHA-256: 322960140e8024396b5b1c4c028d7a62aefee8ec5a9420328982b465283c0a07 |
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