MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm with numerous URLs pointing to compromised CMS uploads and disposable hosting, indicating a phishing or redirection attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to lure users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://kuwaited.com/cote_dor_import/admin/ckfinder/userfiles/files/xogodomopajokemonusoxobaj.pdf In PDF document text
- https://8foro.exceltur.org/exceltur_nuevo/ckfinder/userfiles/files/wenejur.pdfIn PDF document text
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613db7122ece1---fipafoxafitod.pdfIn PDF document text
- https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/ca96db661959d1cdca48556de92b4af2/xozejutofedijevejazufiz.pdfIn PDF document text
- https://strategieb2b.ca/userfiles/file/nikilimoguxesilinowexe.pdfIn PDF document text
- http://zzfcw.com/file/fkimg/file/36711592332.pdfIn PDF document text
- http://abwingssuffolk1.com/uploads/files/10812544390.pdfIn PDF document text
- https://fuoriscena.eu/file/86232613998.pdfIn PDF document text
- https://archielectronics.com/userfiles/files/lanogilatipuzotaj.pdfIn PDF document text
- https://infiniteprospects.com/FCKeditor/file/36866172766.pdfIn PDF document text
- http://ackerviewguesthouse.com/userfiles/file/77159075754.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16132b434979f2---nisajifivowole.pdfIn PDF document text
- https://apatity.verlauf-ekb.ru/admin/ckfinder/userfiles/files/lejimuluxunanale.pdfIn PDF document text
- https://arte-salon.ru/upload_picture/13907162022.pdfIn PDF document text
- http://eko-uklid.com/files/file/tasopobuzidav.pdfIn PDF document text
- http://ramenzoni.eu/userfiles/files/32804896318.pdfIn PDF document text
- http://kondicionery-elektrostal.ru/upload_picture/file/jowiragepijud.pdfIn PDF document text
- http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/1612f1ead4d0fa---gusogofaz.pdfIn PDF document text
- http://ammk.sk/userfiles/file/zuborotadorumu.pdfIn PDF document text
- http://ymmicro.com/files/files/metulivo.pdfIn PDF document text
- http://teplolux72.ru/upload/file/kesakajenebalobomorevolok.pdfIn PDF document text
- http://solarhomepage.ch/fckeditor/editor/images/file/puguxufilimuvurojuxap.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=mod+menus+for+gamesPDF 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_off0000c145.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC145 | 10556 bytes |
SHA-256: da0db76028831de0cf33f5e9c09259bdf058978d5c531fabb6785cd0f4ffffc7 |
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font_01_sfnt_off0000d91a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD91A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f12c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF12C | 17040 bytes |
SHA-256: fd84e5773353679bdc4715d45d583c24ee29b4b8f624d29e41f3a3d3064abbdf |
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