MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, suggesting a phishing or malicious redirection scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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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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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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://musikkursus.dk/userfiles/file/tarekibo.pdf In PDF document text
- http://paliukenas.lt/i/File/girokigo.pdfIn PDF document text
- https://egca.fr/userfiles/file/lamikegaganuvu.pdfIn PDF document text
- https://curewelldiabetes.com/userfiles/file/rulilomatifafewuzep.pdfIn PDF document text
- https://gymlesgeants.com/upload/editor/file/vajulud.pdfIn PDF document text
- http://mikomisushi.com/uploads/files/burajoxole.pdfIn PDF document text
- http://alkanboya.com/files/file///viwiwemajuzofilemipuwe.pdfIn PDF document text
- https://lesartsdansmonjardin.com/userfiles/file/20210519174310.pdfIn PDF document text
- http://huerural.com/uploads/image/files/nejifezaboguxusumobirib.pdfIn PDF document text
- http://weingut-suppan.at/files/33724908095.pdfIn PDF document text
- https://daulte.com/ckfinder/userfiles/files/3180207136.pdfIn PDF document text
- http://boletin.alicantehosteleria.com/lib/ckfinder/userfiles/files/9399348709.pdfIn PDF document text
- http://bayzones.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/78499151891.pdfIn PDF document text
- http://opusincertum.it/userfiles/files/41699555538.pdfIn PDF document text
- https://digireg.sk/upload/savigejirone.pdfIn PDF document text
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb9e34ac57---xefudev.pdfIn PDF document text
- http://merwepizza.com/upload/file/30160577945.pdfIn PDF document text
- http://aliceinformaticasrl.com/user/pages/tisutijewa.pdfIn PDF document text
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/16090f966dbcdc---bevufeluvasowugi.pdfIn PDF document text
- http://softwarefactory.nl/images/file/negulus.pdfIn PDF document text
- http://kbchina.de/upload/76451514394.pdfIn PDF document text
- https://www.nordatec.com/wp-content/plugins/super-forms/uploads/php/files/ni7tci59qfqq5kbp8cpgqs4a53/fovupitojupozefado.pdfIn PDF document text
- http://phuquytravel.com/nguyenvanlinh/files/nijeseletudumawo.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=how+to+take+picture+from+iphone+videoPDF 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_off0000f5af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5AF | 17820 bytes |
SHA-256: acbd3f26500b34f8f11cfe4d3ed1c597543533e6e551b120e6283c4d7856219a |
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font_01_sfnt_off000124a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124A1 | 11008 bytes |
SHA-256: 455c36a37827e98bd0a7a3ade3a0607f891591ebec0a942acd20ae4599c70e84 |
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font_02_sfnt_off00013e0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E0D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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