MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external URIs, with one pointing directly to an IP address, indicating malicious intent. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests this PDF is part of a scheme to host numerous links on disposable domains, likely for phishing or malware distribution. The ML classifier and ClamAV detection further confirm its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
Heuristics 7
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://noithathoaphat11.com/upload/files/85112149713.pdf In PDF document text
- http://pusancard.com/userData/board/file/gakepurobulige.pdfIn PDF document text
- http://whatifitspossible.com/ckfinder/userfiles/files/91378546037.pdfIn PDF document text
- http://mmbassisiprovince.in/files/js/ckfinder/userfiles/files/kelazemejiroza.pdfIn PDF document text
- https://zooiguana.pl/app/webroot/media/files/babufexalotezojeriropedot.pdfIn PDF document text
- http://skybuildinfraprojects.com/uploads/makaxegimizuxopuximun.pdfIn PDF document text
- https://libyamonitor.com/sites/all/libraries/ckfinder/userfiles/files/15843797224.pdfIn PDF document text
- http://gccde.com/downloads/blog/geust/files/zinikimure.pdfIn PDF document text
- http://ntouioc.ntou.edu.tw/ckfinder/userfiles/files/15339818588.pdfIn PDF document text
- http://loxocongnghiep.com/MINH/user_files/file/koxidixanaj.pdfIn PDF document text
- http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614cf2a5b7795---34859997781.pdfIn PDF document text
- http://www.findvoters.com/userfiles/file/37608048695.pdfIn PDF document text
- http://kalmi.ru/upfiles/files/nijag.pdfIn PDF document text
- http://georgekoldun.com/var/upload/file/12875711560.pdfIn PDF document text
- http://baoveantam.info/upload/files/44156505391.pdfIn PDF document text
- http://j1ent.com/userfiles/file/20210910050121.pdfIn PDF document text
- http://aibasylhet.edu.bd/app/webroot/ckfinder/userfiles/files/gipoxirazifawivomebu.pdfIn PDF document text
- https://plagij.at/ckfinder/userfiles/files/rekipobafapof.pdfIn PDF document text
- http://pevak.info/UserFiles/File/53410725336.pdfIn PDF document text
- http://historia-bfured.hu/userfiles/file/gurimiboja.pdfIn PDF document text
- http://eskuvotoszkanaban.hu/editor_up/gugofedamal.pdfIn PDF document text
- http://z-sinpro.com/upload/files/poson.pdfIn PDF document text
- http://185.33.116.145/~acus01/upload/files/soguw.pdfPDF link annotation
- http://hstairan.com/FCKeditor/editor/filemanager/connectors/php/userfiles/file/jamemukud.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=rust+ios+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_off0000ae5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE5B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c66d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC66D | 14512 bytes |
SHA-256: 67fdf71f32736c53b31c2c148df687620d304a531c5f583c98fd25b39fadc947 |
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font_02_sfnt_off0000ea9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA9E | 10208 bytes |
SHA-256: 3b24f4264fd63b3b9b8f75ec93bca78afabba6a8e4980c12aef8dbe67a01a0eb |
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