MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many pointing to suspicious domains, suggesting a link farm designed to redirect users to malicious content. The presence of embedded JavaScript and a high ML classifier score further indicate malicious intent, likely to facilitate the download of a secondary payload. The ClamAV detection as 'Pdf.Phishing.Trojan' strongly supports a phishing and trojan delivery scenario.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://urparitet.ru/admin/ckfinder/userfiles/files/93361214235.pdf In PDF document text
- http://hoangminhsaigon.vn/@dmin/js/ckfinder/userfiles/files/92806601460.pdfIn PDF document text
- https://alpinashop.rudy-ra.com/files/5227596773.pdfIn PDF document text
- http://bulongvungtau.com/media/ftp/file/93081464991.pdfIn PDF document text
- https://maribon.net/app/webroot/files/userfiles/files/giravidigalutujefolubi.pdfIn PDF document text
- http://richmore.kr/uploadfile/fckeditor/file/pekawagalid.pdfIn PDF document text
- https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140a76777ec9---pozixaxanevovaragudunaxit.pdfIn PDF document text
- http://tantos.jp/js/upload/files/zobupap.pdfIn PDF document text
- http://rsport.eu/yonexshop/static/file/wesuvekebukabulek.pdfIn PDF document text
- http://salocchi.it/userfiles/files/mopitigop.pdfIn PDF document text
- http://nujhimachal.in/img/uploads/files/xamazedukedogajejinatam.pdfIn PDF document text
- http://shceping.com/upFile/photos/2021-9/file/xubekirifizuvagijebod.pdfIn PDF document text
- https://biroestarsa.hu/uploads/file/dinisuxabakelidozobumoguj.pdfIn PDF document text
- http://sva-jeanroze.com/xmedia/file/nanejedogowegam.pdfIn PDF document text
- https://prettygreekvillas.com/admin/fckeditor/editor/filemanager/connectofile/24358800153.pdfIn PDF document text
- http://phongthuydotho.vn/upload/files/sisolebufow.pdfIn PDF document text
- https://www.jdconstinc.com/ckfinder/userfiles/files/funavisatogulujuzum.pdfIn PDF document text
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/16131c2aac55f4---35837445052.pdfIn PDF document text
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613bd81fd7c92---36166844.pdfIn PDF document text
- http://eviljoy.com/UserFiles/File/jefepiremukurikefewikof.pdfIn PDF document text
- https://arabadvertise.com/userfiles/files/faged.pdfIn PDF document text
- http://pilanatofishing.com/home/sandbox/domains/shelter.sandbox.tritek.hk/public_html/ckfinder/userfiles/files/97168392500.pdfIn PDF document text
- http://kahasat.cz/data/file/koronifewukesomudatal.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=download+memuplay+for+windows+10+32+bitPDF 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_off0000e679.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE679 | 11568 bytes |
SHA-256: d0d9cf5876a89fc45977997d85fc139a2dea160d5a5a6775eb7033142ad86115 |
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font_01_sfnt_off000101d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101D3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000119e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119E5 | 17752 bytes |
SHA-256: 4a98bd97739d51f3cae71871d243363276bbf08fc099333e0259a92ebc708b6b |
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