MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. It contains numerous links, many pointing to disposable hosting or compromised CMS upload directories, suggesting a link farm or phishing lure. The presence of external URIs and the overall structure indicate an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://dulichtantai.com/files/uploaded/files/zilexewizusidowegelajar.pdf In PDF document text
- http://metabolit-plus.ru/files/file/97881026214.pdfIn PDF document text
- http://monteconsultants.com/image/upload/File/penenizug.pdfIn PDF document text
- http://boxshop.mn/userfiles/files/gebeza.pdfIn PDF document text
- https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/bd1vkrkor5mufu9gcrs3invpvo/88153317578.pdfIn PDF document text
- https://podereilmontaleo.it/writable/public/userfiles/file/ralobogogiwu.pdfIn PDF document text
- https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/8730ce4bf92991bfedfe05fb811391d0/80733916326.pdfIn PDF document text
- http://waterlootour.com/FileData/ckfinder/files/20210906_E8D10B8CBEFB21DB.pdfIn PDF document text
- https://bitree.ru/ckfinder/userfiles/files/gigowosoxunujoziwafonu.pdfIn PDF document text
- http://ville-dammarie.com/ckfinder/userfiles/files/25875122420.pdfIn PDF document text
- http://uzks.hr/upload/datoteke/2523023637.pdfIn PDF document text
- https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/16136f060e6ace---52242911625.pdfIn PDF document text
- http://abwingsjanaf.com/uploads/files/81773430919.pdfIn PDF document text
- http://gemmacapitalgroup.com/foto/file/56086349766.pdfIn PDF document text
- http://dvg.asia/ckfinder/uploadfiles/files/punomivamexatenipuleded.pdfIn PDF document text
- https://durimawar.com/contents/files/60953232712.pdfIn PDF document text
- https://casaalu.com/luutru/files/29387155801.pdfIn PDF document text
- https://myparrotfood.com/user_files/files/xomuvurodasevetov.pdfIn PDF document text
- http://izhar-energy.com/userfiles/file/vumisimerofez.pdfIn PDF document text
- https://thietbigas.net/media/files/73692671785.pdfIn PDF document text
- https://it-remarketing.pl/app/webroot/media/files/juvibujos.pdfIn PDF document text
- http://xn----7sbicwad4afgcgd5aph7d5e.xn--p1ai/ckfinder/userfiles/files/80598206023.pdfIn PDF document text
- http://intertexmedical.com/userfiles/files/fotal.pdfIn PDF document text
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/16140e46cde417---lixifudewenuf.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=android+how+to+add+website+to+home+screenPDF 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_off0000e892.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE892 | 18192 bytes |
SHA-256: 5352fd75452dd29bd538832fbe905e048a10e288c157d67bd217b5c4f4e3756f |
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font_01_sfnt_off0001175b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1175B | 10796 bytes |
SHA-256: ee41a844fcc210da925fd009510f41188a1c5a94fed035627f62d8ec81817d75 |
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font_02_sfnt_off0001301d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1301D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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