MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The sample is a PDF file containing embedded JavaScript, which is a common technique for executing malicious code. It also features a large number of external URIs, many of which point to potentially disposable hosting, suggesting a link farm or phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://thietkewebbacninh.com/webroot/img/files/pulevut.pdf In PDF document text
- http://greenlivinggarden.com/htdocs/UserFiles/file/xuwilajufelozonapefixemi.pdfIn PDF document text
- https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/33b9f7485a8d241a100a5d94c28ad197/nalorixiradizoran.pdfIn PDF document text
- https://strechybenesov.cz/content/37376062248.pdfIn PDF document text
- https://alice-immo.com/userfiles/file/lorixifijipuxe.pdfIn PDF document text
- http://duplisite.com/userfiles/file/21270954686.pdfIn PDF document text
- http://beloezoloto.ru/userfiles/file/7741906582.pdfIn PDF document text
- http://www.louisefarmersmith.com/admin/ckeditor/ckfinder/userfiles/files/lepejumuligo.pdfIn PDF document text
- http://thebookmarkcafe.com/uploads/files/57879560674.pdfIn PDF document text
- http://dreesmann-foto.de/userfiles/file/41767963843.pdfIn PDF document text
- http://tydafa.com/dafa/uploadfiles/20210911062223.pdfIn PDF document text
- http://baozhaopharma.com/upload/files/pozinuzenoturedomigel.pdfIn PDF document text
- http://e-district.org/userfiles/file/78674041069.pdfIn PDF document text
- https://gtselect.fr/ckfinder/userfiles/files/babojebidulabogibe.pdfIn PDF document text
- https://trickapotisk.cz/webpagebuilder/ckfinder/userfiles/files/puviparisukobisixa.pdfIn PDF document text
- http://wcsps.com.tw/ckfinder/userfiles/files/rafalufeki.pdfIn PDF document text
- https://krusomying.com/data/file/welulorufuzerabeti.pdfIn PDF document text
- https://equipelec.fr/ckfinder/userfiles/files/1095312000.pdfIn PDF document text
- http://panhongbo.com/ckfinder/userfiles/site_eachfun_com/files/wugadebili.pdfIn PDF document text
- https://bhiringisamsankalimandir.org/userfiles/file/21096478128.pdfIn PDF document text
- https://gulfcans.com/home/madarmun/public_html/gulfcans/images/bulk_images/files/lepovikab.pdfIn PDF document text
- http://tinavaron.com/ckfinder/userfiles/files/lugetimizureko.pdfIn PDF document text
- http://nassagroup.org/app/webroot/js/ckfinder/userfiles/files/pubiluzuzizoduxaviwij.pdfIn PDF document text
- http://sensi-leszno.pl/userfiles/file/zosadirunexufuxovigumiz.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=top+tv+apps+for+android+apkPDF 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_off0000bfa0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFA0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d7b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7B7 | 10432 bytes |
SHA-256: fc5c061d9e13896c16b3e25ac787832ce910fb4cc647e035bdbc7066d228e425 |
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font_02_sfnt_off0000ef88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF88 | 16308 bytes |
SHA-256: ad47807f1c92aa0b4f2478d8b4eace6ee49fabd5a805336e051b07645371e353 |
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