MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://thietbivesinhanhhuy.com/asset/files/mawisetuva.pdf In PDF document text
- http://ozcetinler.com/userfiles/file/wowipivu.pdfIn PDF document text
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/64dd73339a2680019c0079be9b1e40b3/xokunafuwasarizovuxores.pdfIn PDF document text
- http://lixupeng.com/uploads/files/tidiledapudixigumajawokov.pdfIn PDF document text
- http://www.agenbenangbandung.net/file/buzukuj.pdfIn PDF document text
- https://laplacedesstores.com/upload/file/pinirivilumor.pdfIn PDF document text
- https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/1f4a8bf4c542fcd6565e66192fea9235/22562523745.pdfIn PDF document text
- http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614f854de0fd8---59115551068.pdfIn PDF document text
- http://koryosushi.com/uploads/files/10188344630.pdfIn PDF document text
- http://k12kos.com/ckfinder/userfiles/files/87535594575.pdfIn PDF document text
- http://nhanvietgroup.com/demo/xay-dung-tnx/upload/files/sujevesibowiwedo.pdfIn PDF document text
- https://crownprolaw.cn/userfiles/Proj_Name/files/waromonexekitubixil.pdfIn PDF document text
- http://flemingdecal.com/uploads/assets/file/motifumevedo.pdfIn PDF document text
- http://jyjwqj.com/uploadfile/file///2021090815461175.pdfIn PDF document text
- http://psycare-spb.com/userfiles/file/77194525869.pdfIn PDF document text
- https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/80c2a78d8847a890dffde1106cfb010b/jumefif.pdfIn PDF document text
- http://diagnosticaedilizia.com/userfiles/files/99638459047.pdfIn PDF document text
- http://kossuthdigisuli.hu/userfiles/file/65738899486.pdfIn PDF document text
- https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/m3tkgfql0hemm5qh79jka387ne/82874387654.pdfIn PDF document text
- https://longhungphat.org/Images_upload/files/6186244901.pdfIn PDF document text
- http://lasantitosrestaurant.com/userfiles/file/51828076785.pdfIn PDF document text
- http://caratow.eu/userfiles/file/fosuwugajozubamuvinibop.pdfIn PDF document text
- http://librojuridico.com/aym_images/files/foraxemigupelomed.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=processor+ranking+androidPDF 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_off0000b205.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB205 | 14988 bytes |
SHA-256: 8b3efee88548a242e519e5e302557494665d309d19fc5ced7afe455a5f794b2b |
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font_01_sfnt_off0000d823.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD823 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f03a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF03A | 10496 bytes |
SHA-256: 24c2217d501a73953718d9517e62c9f4cc18677336387c2d3fd666b4fd05b2e0 |
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