MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to websites hosted on compromised CMS platforms or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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 http://dmkert.hu/files/file/rufavenesajepaxuduparubob.pdf In PDF document text
- http://kiszelyugyvediiroda.hu/docs/file/52289707925.pdfIn PDF document text
- http://www.niceresidence.net/image/upload/File/nozebajata.pdfIn PDF document text
- http://candemdientu.com/Images_upload/files/xakizakenixarimirapelamor.pdfIn PDF document text
- https://aceold.lrsinc.co/userfiles/file/55496277788.pdfIn PDF document text
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/161315b1db3dda---kotilumixujeta.pdfIn PDF document text
- http://movietek.vn/hinh-anh/files/bowexowumejikivo.pdfIn PDF document text
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/1614827ec28ece---lonoxewaduzanojizu.pdfIn PDF document text
- http://generoussecurity.com/uploads/81244572474.pdfIn PDF document text
- https://la-klamm.org/userfiles/file/38344157172.pdfIn PDF document text
- https://www.hasmow.com.au/application/third_party/ckfinder/userfiles/files/95591818071.pdfIn PDF document text
- http://noithatmfc.com/media/ftp/file/74475987532.pdfIn PDF document text
- https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/ud532hrfs8efhnuuerakp2o9fa/marukow.pdfIn PDF document text
- http://jayeonrak.com/upfile_editor/2021/files/kidixogimixike.pdfIn PDF document text
- http://antichigelsi.it/userfiles/files/10821697050.pdfIn PDF document text
- http://glttek.com/userfiles/file/61028188354.pdfIn PDF document text
- http://collegium-connect.nl/ckupload/files/muleworofelupemakase.pdfIn PDF document text
- http://maekuangudomthara.com/ckfinder/userfiles/files/dawapisanalojaba.pdfIn PDF document text
- http://jpind.pl/userfiles/file/xizepoloz.pdfIn PDF document text
- https://gtnet-engine.com/ckfinder/userfiles/files/vavudimesulobob.pdfIn PDF document text
- https://vmwarts.com/ecovic/file/tuzorufubolewati.pdfIn PDF document text
- http://sladkiy-ostrov.ru/userfiles/files/60651606070.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=how+to+open+php+file+in+mobilePDF 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_off0000b815.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB815 | 17036 bytes |
SHA-256: 5552c6db620be7f78637bfa85aa1215e4caef8558ffdce0866749156d413b289 |
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font_01_sfnt_off0000e3dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3DC | 10408 bytes |
SHA-256: 04da28e7be1bb85c0d26123478d3395e12a2638591a728822dadb8e780d3f7e2 |
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font_02_sfnt_off0000faef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAEF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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