MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to suspicious PDF files on various domains. The 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic indicates a deliberate attempt to create a large number of links, likely to obscure malicious activity or distribute further payloads. The ML classifier and ClamAV detection strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://doxetrilinh.com/media/ftp/file/zovemuwuxabakupakufubas.pdf In PDF document text
- https://perfecthospitals.org/FCKeditor/file/jefijalogixegiwanupokajo.pdfIn PDF document text
- http://safiorida.nl/operatori/userfiles/file/jafobuv.pdfIn PDF document text
- https://contemporaryteas.in/admin/uploads/file/74297462112.pdfIn PDF document text
- http://xn----otbb6ahq3d.xn--p1ai/ckfinder/userfiles/files/7955572722.pdfIn PDF document text
- http://kronikarp.pl/ckfinder/userfiles/files/gifiro.pdfIn PDF document text
- https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16139d362c185a---romufeda.pdfIn PDF document text
- http://kunmobile.vn/files/uploaded/20210908/file/82684079423.pdfIn PDF document text
- https://yaofangpeixun.com/upload/files/23593119280.pdfIn PDF document text
- http://claudiamelchior.it/images/file/fawesomexibuxogifojanumo.pdfIn PDF document text
- https://tvmreza.tv/ckfinder/userfiles/files/35556686306.pdfIn PDF document text
- https://www.barefoothoa.com/webroot/js/ckfinder/userfiles/files/ruton.pdfIn PDF document text
- http://arablift.net/userfiles/file/munugakilodorulewodesetu.pdfIn PDF document text
- https://sieuthimaycafe.vn/uploads/file/78475116579.pdfIn PDF document text
- http://ozhelalikram.de/resimler/files/80506225584.pdfIn PDF document text
- http://ckm-machinery.com/userfiles/files/3977487979.pdfIn PDF document text
- http://umrllc.com/userfiles/files/4116616773.pdfIn PDF document text
- http://gzbaosui.com/uploadfile/files/texuxarofuxan.pdfIn PDF document text
- http://aksaaydinlatma.com/img/editor/image/file/komapet.pdfIn PDF document text
- http://amkchem.com/upload/files/gasesizironenodufulajoxik.pdfIn PDF document text
- http://misterholidaysanprisco.it/userfiles/files/2941135663.pdfIn PDF document text
- http://thingsantiquesla.com/userfiles/files/22567404559.pdfIn PDF document text
- http://uktohabbarijamalta.com/files/file/40679127319.pdfIn PDF document text
- http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f3ef1bcc99---3479090782.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=how+to+transfer+photos+to+mac+from+androidPDF 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_off0000f21b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF21B | 18560 bytes |
SHA-256: 73480413563beac9cbb5eab1953d3b08b81f3e18a4dd621bea6ce232e73edbc7 |
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font_01_sfnt_off0001220d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1220D | 10916 bytes |
SHA-256: 1469c7401415eca1cb1d4cb52e1d59b011a96592819cb072dc375a95a0426378 |
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font_02_sfnt_off00013b27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B27 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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