MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many pointing to compromised websites or disposable hosting, indicating a link farm designed to lure users to potentially malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
Heuristics 6
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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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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://kopari.hu/files/file/dunasufozeraw.pdf In PDF document text
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607417fca5f75---vatalakuxelalogala.pdfIn PDF document text
- http://mwflower.com/upimagesfile///mutirogixarakarakanib.pdfIn PDF document text
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/h9g6rbbop8ccqlg760tmrgd5l2/nuvanalagato.pdfIn PDF document text
- http://paradisetnl.com/FileData/ckfinder/files/20210705_5749A0C0C3C996E3.pdfIn PDF document text
- http://greathorserider.com/ckfinder/userfiles/files/rukazuneziraxinolixanujaw.pdfIn PDF document text
- https://transpack-krumbach.de/_upload_bilder/_filemanager/file/66385718691.pdfIn PDF document text
- http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acafca8301a---dudazuvusuxuna.pdfIn PDF document text
- https://tuvanthietke13-5.com/webroot/img/files/ganabugenifikazirozit.pdfIn PDF document text
- https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/160e520cea41db---63305571857.pdfIn PDF document text
- http://hysansam.com/fckeditor/userfiles/image/wuvig.pdfIn PDF document text
- http://unseretochter.ch/images/file/21973824483.pdfIn PDF document text
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608270e352b0e---93634394273.pdfIn PDF document text
- http://thementalhealthadvocates.org/files/userfiles/file/pesifudirolumonumapoxo.pdfIn PDF document text
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/a5ucs3mjglmet3l88uce2qvau1/golufukexaraxiwadosuz.pdfIn PDF document text
- http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088dd6626744---53239000458.pdfIn PDF document text
- https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/rieackqceikpglpslr0c5lesd3/bosibave.pdfIn PDF document text
- https://electrabicycles.pl/app/webroot/uploads/file/1620809575429.pdfIn PDF document text
- https://marljivo.hr/userfiles/file/74340791397.pdfIn PDF document text
- http://rsst77.ru/upload/files/zetetupurapajepofates.pdfIn PDF document text
- http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/fed80a5181f442b082ecf29bc4800668/nukozoronavewixudabad.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=types+of+social+groups+pdfPDF link annotation
- http://irodori.kir.jp/files/file/zunuvu.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_off0000e888.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE888 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001009f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1009F | 10768 bytes |
SHA-256: 23c3e20be28f363d647d1773a374a24e8c051429bc183c87ec49c9caf6518f0e |
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font_02_sfnt_off00011955.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11955 | 16492 bytes |
SHA-256: 5065dc4c956b687d0828baaa7a0e57d33773987971f78f076640f00507226981 |
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