MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and numerous external URIs, with a high ML classifier score and ClamAV detection indicating malicious intent. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic suggests the document is part of a link farm, likely intended to redirect users to other malicious sites or download further payloads. The embedded JavaScript is likely responsible for initiating the redirection or exploit.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/16137ca421a4f6---vunikapuzeneduxepitewu.pdf In PDF document text
- https://ntiverification.com/userfiles/file/lukinebapoluzizakib.pdfIn PDF document text
- http://stavo-bazar.cz/userfiles/file/6137702465.pdfIn PDF document text
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ea66a528e1---varimaveremoz.pdfIn PDF document text
- http://gioiacompany.net/images/upload/file/29540817567.pdfIn PDF document text
- https://vientangluc.com/upload/files/65865301227.pdfIn PDF document text
- https://francoisdaulte.com/ckfinder/userfiles/files/minukufenidutuparo.pdfIn PDF document text
- http://katour.ru/admin/ckfinder/userfiles/files/95287421055.pdfIn PDF document text
- http://ap116.ru/userfiles/file/59624897273.pdfIn PDF document text
- https://akamercedes.com/images/uploads/files/65389472560.pdfIn PDF document text
- http://otohyundaidanang.com/uploads/image/files/15039862071.pdfIn PDF document text
- http://iehyun.com/editorupload/file/tazib.pdfIn PDF document text
- http://matras-devison.ru/upload/file/xabinebafujas.pdfIn PDF document text
- https://nakatarikaszel.pl/app/webroot/userfiles/file/tilure.pdfIn PDF document text
- http://emachn.com/data/attachment/file/mafejipe.pdfIn PDF document text
- https://lotteppta.net/beta/assets/file/pibijivipagefububub.pdfIn PDF document text
- https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/13b2a7492debcb7ad607e7195f5057c9/zarerib.pdfIn PDF document text
- http://holidayservicemarsala.it/userfiles/files/89945233240.pdfIn PDF document text
- http://sarljarry.fr/userfiles/file/84645317993.pdfIn PDF document text
- http://telekommarketing.com/firme_data/files/zibebaz.pdfIn PDF document text
- http://urduhadith.org/survey/userfiles/files/69649938098.pdfIn PDF document text
- https://sealskinz.ru/files/file/votolekibafem.pdfIn PDF document text
- http://aptekainternetowa.net/_mdm_apteki/file/32936612963.pdfIn PDF document text
- http://mallenmediations.com/mallenmediations/images/userfiles/file/rekalijuligoxavab.pdfIn PDF document text
- http://ramseier-appenzell.ch/elrada/js/ckfinder/userfiles/files/42051819090.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=english+file+4th+edition+teacher%27s+book+pdfPDF 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_off0000cdba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDBA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e5cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5CC | 21060 bytes |
SHA-256: 2e1263f02b0a4b62bc64bb5e925a02ef3fe457076d09a0667793f842149bc53c |
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font_02_sfnt_off00011b44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B44 | 11228 bytes |
SHA-256: 220867d1c6bbbc256d3d7ffc594ce584b7ee15686793fd7ed1af6beb16234a03 |
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