MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF contains embedded JavaScript and numerous external URLs, many hosted on compromised or disposable domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded JavaScript likely facilitates the redirection to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9958
Heuristics 7
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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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://inwebjor.ru/uplcv?utm_term=bach+french+suite+pdf PDF link annotation
- http://xn--4k0b43gkwo4gn.com/upload/editor/file/ripilafigutigitusatoj.pdfIn PDF document text
- http://studioaeditecne.it/userfiles/file/21599487068.pdfIn PDF document text
- https://073741256.com/uploads/files/202109030418283936.pdfIn PDF document text
- http://m-styleauto.com/js/upload/files/zonafaziloraboji.pdfIn PDF document text
- http://cualuoiskydoor.com/webroot/img/files/71555952732.pdfIn PDF document text
- http://ave-france.com/pics/files/nagejaxowenizojamerasebak.pdfIn PDF document text
- http://i-akparat.kz/ckfinder/userfiles/files/tolirutudabivikapebinu.pdfIn PDF document text
- https://infotechb2blite.com/bot/ckfinder/uf/files/pupezatuwosowo.pdfIn PDF document text
- https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/760d3d9f4ad455039899fdad0700dfe7/48747478969.pdfIn PDF document text
- http://jr-bang.com/uploadfiles/20210902054507.pdfIn PDF document text
- https://deesudcoolingtower.com/userfiles/file/39954143909.pdfIn PDF document text
- https://toananhmedical.com/uploads/files/18699593532.pdfIn PDF document text
- https://lifo-sea.com/ckfinder/userfiles/files/18473198693.pdfIn PDF document text
- http://majedalkarkhi.com/pics/file/mogujanaba.pdfIn PDF document text
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/161387991b176f---pomesukune.pdfIn PDF document text
- http://abwvictory.com/uploads/files/34735758367.pdfIn PDF document text
- https://myphi.biz/nbloom/fckuploads/file/40153535453.pdfIn PDF document text
- https://carrieres-pierre.com/userfiles/file/todabusipaxerujujupiwu.pdfIn PDF document text
- https://akonis.ch/userfiles/files/tezalifumopuz.pdfIn PDF document text
- https://khyatiinfotech.biz/ckfinder/userfiles/files/56645535723.pdfIn PDF document text
- https://zlato-stribro-investice.com/upload/files/kusafirit.pdfIn PDF document text
- http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16142b30506a13---63484774257.pdfIn PDF document text
- http://greensquares.in/userfiles/file///66239431657.pdfIn PDF document text
- 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_off0000d0f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0F3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e905.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE905 | 18116 bytes |
SHA-256: 2972020bb100bacd087d10edd51e4ed7ce985555478caeb8d438ba47b34e6681 |
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font_02_sfnt_off00011791.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11791 | 10704 bytes |
SHA-256: a65a5f8387f50b10f5ad9281671821db065807b91723ca9b5e046151252cf8a4 |
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