MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs pointing to disposable domains, indicative of a link farm designed for phishing or malware distribution. ClamAV and ML classifiers strongly indicate malicious intent, specifically a phishing trojan. The embedded JavaScript likely facilitates the redirection or download of a secondary payload.
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://zhongguohuachun.com/d/files/gusexoreruxuxujun.pdf In PDF document text
- http://bertoniamministrazione.it/bertoni/public/file/turutixikelu.pdfIn PDF document text
- http://rotarybrescello.it/userfiles/files/98473942937.pdfIn PDF document text
- http://acudrved.com/ckfinder/userfiles/files/waxezinano.pdfIn PDF document text
- http://ramseier-appenzell.ch/elrada/js/ckfinder/userfiles/files/64190363705.pdfIn PDF document text
- http://vankouwenenmastop.nl/UserFiles/file/giveguso.pdfIn PDF document text
- http://www.syrahresources.com.au/application/third_party/ckfinder/userfiles/files/muxifilofopeta.pdfIn PDF document text
- http://marinda.ru/pics/images/file/69236668822.pdfIn PDF document text
- http://lotusburbank.com/uploads/files/62426057961.pdfIn PDF document text
- http://wohingltd.com/userfiles/kolajavase.pdfIn PDF document text
- http://pantanalmsnews.com.br/ckfinder/userfiles/files/4593575402.pdfIn PDF document text
- http://3e3i.com/UserFiles/file///64939273192.pdfIn PDF document text
- http://www.tomasjelinek.com/img/pub/file/32412752533.pdfIn PDF document text
- http://www.southforconstruction.com/frontend/web/ckfinder/userfiles/files/48466692451.pdfIn PDF document text
- https://www.le-domaine-de-hauterive.fr/ckfinder/userfiles/files/senafuluzotegubadopasajo.pdfIn PDF document text
- https://trungtammatnamviet.vn/upload/files/limuwatumolezoje.pdfIn PDF document text
- http://kolesnikov.pro/ckfinder/userfiles/files/dipulilusil.pdfIn PDF document text
- https://vwb.mrv-educationservices.com/content_file/files/zosejaturojigetirazumisek.pdfIn PDF document text
- https://ladachess.ru/userfiles/file/napuxemozulikogirala.pdfIn PDF document text
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16139cd88961a3---35421694850.pdfIn PDF document text
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/ce2794006a83bddeeca685747988b0d7/56387616643.pdfIn PDF document text
- http://www.elstar.ru/uploads/files/zapevepodorot.pdfIn PDF document text
- http://bftt.marketsearching.com/upload/files/koxetozupigojuxeturik.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=progress+bar+ui+designPDF 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_off0000d9f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9F7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f209.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF209 | 18940 bytes |
SHA-256: 3b6356fb2afa98057d367fede4231fc9e9e5d7af363620246a2cb1dce9c0431a |
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font_02_sfnt_off000123d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123D9 | 10520 bytes |
SHA-256: 1fde6272e5f6cd71a841057a4d81460531184e3b5c70143cbd1a80d20f08180a |
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