MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. It contains numerous external URIs and is identified as a link farm on disposable hosting, suggesting a phishing or redirection scheme. The embedded JavaScript stream further supports malicious activity, likely for executing further stages or obfuscating the redirection process.
Machine Learning
- Nyx PDF Classifier malicious score 0.9905
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 https://pixomot.ru/uplcv?utm_term=latest+android+version+for+samsung+galaxy+s4 PDF link annotation
- http://ogledalata.bg/uploads/pages/files/tezikitalukizodidiraxi.pdfIn PDF document text
- https://pvcmikser.com/upload/files/15309853644.pdfIn PDF document text
- https://gujaratisamajparis.org/upload/files/zikerokagefinavupuzas.pdfIn PDF document text
- http://tidomusica.com/uploads/files/202109120404126680.pdfIn PDF document text
- http://hawaiianhunareiki.it/file/5594410262.pdfIn PDF document text
- http://gnatowski.pl/attachments/file/vapikulegixugezi.pdfIn PDF document text
- http://diversecityuk.com/userfiles/file/53479444518.pdfIn PDF document text
- http://change4best.ru/upload/file/latowesatabolasimeke.pdfIn PDF document text
- http://xn----7sbab1bcaqplb0ccyi9d.xn--p1ai/files/file/fufusabirij.pdfIn PDF document text
- http://thewesternmist.com/userfiles/file/wabunijipanelew.pdfIn PDF document text
- http://ownlines.com/upfiles/file/wezivozawafajar.pdfIn PDF document text
- http://sk-uralstroy.ru/uploads/files/91106065431.pdfIn PDF document text
- http://mispuntossaga.com/campannas/file/zenup.pdfIn PDF document text
- https://esprimagroup.com/userfiles/file/48136520696.pdfIn PDF document text
- http://brcassociati.com/userfiles/files/mosutovukorakolute.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/j0jd925p5if0a3hlqrh7qfuhj5/20684684258.pdfIn PDF document text
- http://ekorepetycje.eu/Upload/file/sufupegemegatexap.pdfIn PDF document text
- http://vijyaiprismcrm.com/userfiles/files/kasap.pdfIn PDF document text
- https://machnhaduong.com/images/uploads/files/44608643438.pdfIn PDF document text
- http://tipkeo.com/js/ckfinder/userfiles/files/6719524494.pdfIn PDF document text
- http://dsfly.com/uploads/files/82560620546.pdfIn PDF document text
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141e6abb02ac---vaxasute.pdfIn PDF document text
- https://ip-kamera-rendszer.nuttydog.hu/ckfinder/userfiles/files/poliwusovara.pdfIn PDF document text
- http://cpghollywood.com/userfiles/files/kewetad.pdfIn PDF document text
- http://phuquytravel.com/nguyenvanlinh/files/dijizelejavaxaxi.pdfIn PDF document text
- https://sieuthimaytinhcu.vn/upload/files/lisefegijukelefeme.pdfIn PDF document text
- http://cassotech.nl/site/data/ws/files/50532537819.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_off0000e5f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5F5 | 17904 bytes |
SHA-256: 45cc4fb2a01ecd768b25444d198da5d856b18b69c0d7cfe1127f10e833df1004 |
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font_01_sfnt_off0001147d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1147D | 11112 bytes |
SHA-256: d16af102fb13d8c02c5bde796703590d6cb1031ce4fdddb1a470915b70fa303f |
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font_02_sfnt_off00012e4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E4E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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