MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. This script likely redirects the user to a link farm, as indicated by the PDF_SEO_DISPOSABLE_LINK_FARM heuristic and the numerous extracted URLs. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 https://okud-istra.hr/userfiles/file/sajuxorikapubejowiwusog.pdf In PDF document text
- http://urgentcarepb.net/userfiles/file/25315582159.pdfIn PDF document text
- http://daearesort.com/FileData/ckfinder/files/20210930_CA4B49E7A86E74FA.pdfIn PDF document text
- http://pazzo.jp/js/upload/files/xegogarawudafasun.pdfIn PDF document text
- http://panel2conso.com/userfiles/file/bejujarijijejazigiz.pdfIn PDF document text
- https://sharenkon.com/files/tasojuz.pdfIn PDF document text
- https://smgbid.com/ckfinder_userfiles/files/sumumazodu.pdfIn PDF document text
- https://sakesushimn.com/userfiles/files/27227757299.pdfIn PDF document text
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614ec6862ef30---81868086734.pdfIn PDF document text
- http://xn--80affcyoc0ac1f6a.xn--p1ai/admin/modules/ckeditor/ckfinder/userfiles/files/rirux.pdfIn PDF document text
- http://nawaress.com/webroot/js/ckfinder/userfiles/files/43127580869.pdfIn PDF document text
- https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613d78a6bf654---41209282773.pdfIn PDF document text
- https://manage4.realtourvision.com/rtv/ckfinder/userfiles/images/files/32922526669.pdfIn PDF document text
- http://hc6999.com/userfiles/files/pirebuturiw.pdfIn PDF document text
- https://www.tristar-technology.com/ckfinder/userfiles/files/pibekefo.pdfIn PDF document text
- http://orvosvalaszto.hu/uploads/files/wofatunurisemogejo.pdfIn PDF document text
- http://architettotamborra.eu/userfiles/files/65925415244.pdfIn PDF document text
- http://sva-jeanroze.com/xmedia/file/46693536601.pdfIn PDF document text
- https://klubkanine.com/home/klub/public_html/ckfinder/userfiles/files/dafomigodadogepevete.pdfIn PDF document text
- http://kxxbs.com/uploadfiles/file/a/mojovofiretuzunusunigokug.pdfIn PDF document text
- http://nordicwalkingturak.hu/_user/file/89219762952.pdfIn PDF document text
- http://gddfboiler.com/uploads/files/776154782.pdfIn PDF document text
- http://www.dogwoodagility.nl/ckfinder/userfiles/files/dedigixufadamosokisibav.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=joox+apk+premiumPDF 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_off0000b1ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1EF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ca01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA01 | 17852 bytes |
SHA-256: c0f30bba611ce45d08bdb9daf456ac7b5041fa7db52127731123767064362a1d |
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font_02_sfnt_off0000f7a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7A2 | 10280 bytes |
SHA-256: 7eb250a0b6d42713e7f6b57c2f9b0f351aa4631f7ce5abbbfa92965e12c2430d |
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