MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains embedded JavaScript and a large number of external URIs, many of which point to disposable domains, indicating a link farm designed to obscure the ultimate destination. The presence of embedded JavaScript suggests an attempt to execute malicious code or redirect the user to a malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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://jandenzobv.com/image_uploads/file/defudurenukuterenovizod.pdf In PDF document text
- http://abwingsmd.com/uploads/files/98280425310.pdfIn PDF document text
- https://alperbehang.nl/userfiles/file/86139175914.pdfIn PDF document text
- https://pikhospital.com/ck_uploads/uploads/files/tipajidiwa.pdfIn PDF document text
- https://megashina24.ru/files/files/kunojikesomelipimegatalo.pdfIn PDF document text
- http://dental-forum.ru/userfiles/file/87415313884.pdfIn PDF document text
- https://www.edmcenter.xyz/ckfinder/userfiles/files/nulerisisem.pdfIn PDF document text
- https://learnrkb.jugalbandiresearch.com/ckfinder/userfiles/files/wikurivofadomudavokak.pdfIn PDF document text
- http://indianapit.thriftstorewebsites.net/flash/indianapit.thriftstorewebsites.net/file/mepubifunizusuxopaluta.pdfIn PDF document text
- https://apaman.ti-am.jp/js/ckfinder/userfiles/files/12841840693.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/gekenutefivabebotiwa.pdfIn PDF document text
- http://lifecontinues.ru/images/files/20221359643.pdfIn PDF document text
- http://servis-hradec.cz/files/file/42150515006.pdfIn PDF document text
- https://euronuts2009.ge/files/files/valavovapukovumesotilimi.pdfIn PDF document text
- http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/4f1ad85bbd381f0b8359157af5c394eb/fadezokowagotasujuwad.pdfIn PDF document text
- https://gsm.company/ckfinder/userfiles/files/30921708304.pdfIn PDF document text
- https://sibservis.com/ckfinder/userfiles/files/devinapozilitosusav.pdfIn PDF document text
- http://dpnovelty.com/upload/files/didajenarilipokox.pdfIn PDF document text
- https://doanhnghiepvietnam.niengiamdoanhnghiep.vn/img_duhoc/files/97458350353.pdfIn PDF document text
- https://best-label.com/upload/files/80231880915.pdfIn PDF document text
- https://chongtham68.com/app/webroot/uploads/files/xapuzofit.pdfIn PDF document text
- http://feedproxy.google.com/~r/MbOu/~3/2I9n2o-U8HI/uplcv?utm_term=bailey+and+scott%27s+diagnostic+microbiology+14th+edition+pdf+freePDF 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_off0000bd66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD66 | 16984 bytes |
SHA-256: 09411b9b4f7a8a8a48db01d2adf02eec8389a1f8074b8174c6d59e49f7b86594 |
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font_01_sfnt_off0000e86e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE86E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010085.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10085 | 11540 bytes |
SHA-256: 0566b9b7f729cbd65ca26c91c65515850b49cb2bab95c8e76f8c8940fa215eb1 |
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