MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. The high number of external URIs, many pointing to disposable domains, suggests a phishing or redirection campaign. ClamAV and ML classifiers also flagged this PDF as malicious, indicating a high likelihood of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
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 https://krisoc.ru/uplcv?utm_term=copilot+for+android+review PDF link annotation
- http://tasfor.com/files/galeria/files/wekefisigebiwigabix.pdfIn PDF document text
- https://rosedreamholidayhomes.com/ckfinder/userfiles/files/giwudugufuma.pdfIn PDF document text
- http://dui-antidote.com/images/userfiles/file/belupidiwagadukuxatepeg.pdfIn PDF document text
- http://whatcanidoforyou.eu/publish/file/voxefuket.pdfIn PDF document text
- http://rem-stroymont.ru/img/file/lesapabegoraron.pdfIn PDF document text
- http://savytrading.com/userfiles/file/ruvezele.pdfIn PDF document text
- http://aktifmedya.com/dosyalar/files/8957202473.pdfIn PDF document text
- http://geoass.eu/userfiles/files/mobonoxitigakalunopetivuw.pdfIn PDF document text
- http://smelawservice.com/file_media/file_image/file/54504233420.pdfIn PDF document text
- https://odontologosmalca.com/images/userfiles/file/guvaget.pdfIn PDF document text
- http://fireprovietnam.net/luutru/files/lusixiwakutilixog.pdfIn PDF document text
- http://about-dogs.ru/upload/file/mudusopexodeza.pdfIn PDF document text
- https://unicorn.mn/js/ckfinder/userfiles/files/25793384413.pdfIn PDF document text
- https://talenthunt.biz/userfiles/file/xugekonuluf.pdfIn PDF document text
- http://anthonyjcincottalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/rizolerowodibizonusijipi.pdfIn PDF document text
- https://arte-salon.ru/upload_picture/mobujisaxetajezasek.pdfIn PDF document text
- https://nieruchomosciturystyczne.eu/files/file/61092149281.pdfIn PDF document text
- http://citlak.de/admin/UserFiles/file/54063803037.pdfIn PDF document text
- https://fedico.ca/upload/editor/file/difofirodaxeratiwok.pdfIn PDF document text
- https://yifff.se/userfiles/file/wisekapelogon.pdfIn PDF document text
- https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1614c27514d240---94098516668.pdfIn PDF document text
- https://autoroman-service.ro/imagini_ws/84306257346.pdfIn PDF document text
- http://ellev.fr/upload/files/75627735507.pdfIn PDF document text
- http://fourfoods.com/images/files/21464949347.pdfIn PDF document text
- http://kommunikator.nu/demo/userfiles/file///15859717354.pdfIn PDF document text
- https://kitchensofdiablo.com/upload/file/61435832833.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_off0000c6e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6E3 | 10508 bytes |
SHA-256: fd1969d2fcd69e47b309e16711f12b5813ff68c0bec840267b55ce5abd4865d7 |
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font_01_sfnt_off0000deed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEED | 18264 bytes |
SHA-256: 3220d75d7391073a3864f9754871a4dd549ac4de988f355bf64665c40662baa4 |
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font_02_sfnt_off00010f08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F08 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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