MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple URLs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed for phishing. The ClamAV detection and ML classifier strongly suggest malicious intent, likely to redirect users to phishing sites for credential harvesting or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 7
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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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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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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://ketchas.ru/uplcv?utm_term=films+online+free+english PDF link annotation
- http://quimis.net/js/ckfinder/userfiles/files/73170246841.pdfIn PDF document text
- https://www.fyna.com.au/application/third_party/ckfinder/userfiles/files/bemivatavotorobenawemiso.pdfIn PDF document text
- http://lmleadmanagement.com/userfiles/files/53456017322.pdfIn PDF document text
- http://www.jucadent.es/ckfinder/userfiles/files/saribedadeg.pdfIn PDF document text
- http://atya.eu/files/file/janeromavurabuju.pdfIn PDF document text
- https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/cd8474e0eb7e1eb6a2c7f9bc3867cc77/67577917970.pdfIn PDF document text
- http://midoriku.zaitakunet.jp/app/webroot/upload_images/files/19155262785.pdfIn PDF document text
- https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/de61fcc897e33cffb30d6d18abd424dd/27955394558.pdfIn PDF document text
- http://preprod.app-nomads.com/ugecam/admin/ckfinder/userfiles/files/wuboxekuridujimagulizug.pdfIn PDF document text
- https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/ca821666c1a05cf700c76efcd5fb057b/manesadukaxidotidejozag.pdfIn PDF document text
- https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/aaee1cba5a65dd610886f8cd213880b9/jolalo.pdfIn PDF document text
- http://iamsong.vn/uploads/files/rebisenij.pdfIn PDF document text
- https://adikmanis.com/contents/files/xuladuvenixewe.pdfIn PDF document text
- https://www.sudoku-cool.com/ckfinder/userfiles/files/ninutepixige.pdfIn PDF document text
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/1613b2dee75837---94323672506.pdfIn PDF document text
- https://strategieb2b.ca/userfiles/file/tonepamafawemos.pdfIn PDF document text
- http://tko.wavedev.net/img/files/files/62990794699.pdfIn PDF document text
- https://agmatbaa.com/upload/files/gusikexemiroluzurolo.pdfIn PDF document text
- http://avvocatogiuliani.it/userfiles/files/4727836037.pdfIn PDF document text
- https://sysyanginguvenlik.com/uploads/files/29520415686.pdfIn PDF document text
- https://citytrafik.nu/images/file/futadekomalovibixajogeleb.pdfIn PDF document text
- http://elandtour.com/FileData/ckfinder/files/20210905_843433E7A9A1D436.pdfIn PDF document text
- http://glassick.com/userfiles/file/89616318458.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_off0000f117.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF117 | 10380 bytes |
SHA-256: 1fc950602acc00c5e4c3e579999e6b4d5e740b7a0fcfb61afcbadcdc53df593d |
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font_01_sfnt_off0001083d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1083D | 17468 bytes |
SHA-256: 76934aa6975864248e4e6a2ad5c00632bdd0f0f609a989b199a3bc58a742ee10 |
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font_02_sfnt_off000135ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135EA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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