MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm on disposable hosting, with numerous embedded URLs pointing to other PDF files. The primary attack pattern involves directing users to a network of potentially malicious sites, likely for SEO poisoning or further malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9637
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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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://sk4education.com/ckfinder/userfiles/files/62542294404.pdf In PDF document text
- https://ukmalayalamnews.com/userfiles/file/15215371811.pdfIn PDF document text
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138eabf4578a---vemukerenamiriwi.pdfIn PDF document text
- http://sinorarechem.com/upload/files/maserajefimitatos.pdfIn PDF document text
- http://hondaototanan.com/upload/files/55139338864.pdfIn PDF document text
- https://www.pharmawell.eu/ckfinder/userfiles/files/33062885911.pdfIn PDF document text
- https://berbagiangka.com/contents/files/jilozabifomatifu.pdfIn PDF document text
- http://dglytbt.com/upfolder/e/files/20210901050252.pdfIn PDF document text
- http://chenruichem.com/upload/files/jugerogifutixaj.pdfIn PDF document text
- http://www.johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/ledoxuwugoka.pdfIn PDF document text
- https://speculatio.in/ci/userfiles/files/fukimawufupumosek.pdfIn PDF document text
- http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/161421b487e00c---pudadujasodezewuvufig.pdfIn PDF document text
- http://savytrading.com/userfiles/file/kegul.pdfIn PDF document text
- https://eminentland.com/admin/userfiles/files/vizojilexotimu.pdfIn PDF document text
- http://btsoft.vn/uploads/files/vomizapesinisudiwobo.pdfIn PDF document text
- http://chinajnbt.com/images/upload/File/74612324737.pdfIn PDF document text
- http://novo-foto.ru/ckfinder/userfiles/files/9368848079.pdfIn PDF document text
- https://aljazeerahdrilling.com/userfiles/files/98300847074.pdfIn PDF document text
- http://zvezda-rostov.ru/ckfinder/userfiles/files/navamejakarirem.pdfIn PDF document text
- http://hairfibers24.com/upload/file/fedozawefa.pdfIn PDF document text
- https://pasarantogel.com/contents/files/5565622282.pdfIn PDF document text
- http://gamebonda.com/ckupload/files/wamutef.pdfIn PDF document text
- http://tuzy.pl/Upload/file/nemazesofa.pdfIn PDF document text
- http://wo-kop.pl/userfiles/file/lonita.pdfIn PDF document text
- https://guineaservicesproviders.com/gsp/files/90800436963.pdfIn PDF document text
- http://www.galiantsolutions.com/emailimages/file/betawuzesexoze.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=cara+download+tema+di+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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000efc7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFC7 | 10360 bytes |
SHA-256: f8ba49b4d231a5c8402cdb324851a4abaaba20ec2d01652417f9e16e65b9ca16 |
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font_01_sfnt_off00010721.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10721 | 1696 bytes |
SHA-256: 6a75b9764b76a2c6f7d152a8c92a24b73a4a005bccce61d7a5a969a6a70935e7 |
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font_02_sfnt_off00010f3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F3A | 17796 bytes |
SHA-256: 0e64b76a0f3d6aa77e66de306b23257e871242447f59bce3be6d61ac967a5acb |
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font_03_sfnt_off00013e1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E1B | 16192 bytes |
SHA-256: e2ad764752cd4be5999c18614362e0cea8e9c563e7196d76fd0086f860ccaf5d |
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font_04_sfnt_off000153a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x153A8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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