MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised WordPress uploads and disposable hosting, suggesting a phishing or malware distribution scheme. Although no scripts were directly extracted, the PDF structure and embedded URLs are indicative of malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://legend-chang.com/UserFiles/files/nupovefonaw.pdf In PDF document text
- http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/ra1cd49b2lnomk58o0tgl12sj1/nirodeb.pdfIn PDF document text
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bb9aa767a8---gizetivefitinedanad.pdfIn PDF document text
- https://austarpharma.com/upload/files/gegigugifufi.pdfIn PDF document text
- http://bbdecontra.com/userfiles/files/77916893940.pdfIn PDF document text
- http://jodhpurheritagewalk.com/images/file/46411231387.pdfIn PDF document text
- http://clainvest.pl/userfiles/file/mojikekivubix.pdfIn PDF document text
- https://aletihad-group.com/userfiles/files/92352138447.pdfIn PDF document text
- http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/a7673ff84340ce2bf7c9bf600de8e6dd/tetukolet.pdfIn PDF document text
- https://cmf8.ir/data/file/buwazedad.pdfIn PDF document text
- https://sdhouse.info/ckfinder/userfiles/files/bawaguwujura.pdfIn PDF document text
- http://muzeumostrowiec.pl/obrazy/file/vipasefolizitebuwite.pdfIn PDF document text
- http://lucchetta.net/userfiles/files/giketesubivixovomineduji.pdfIn PDF document text
- http://ardeche.proximeo.com/ckfinder/userfiles/files/woberumori.pdfIn PDF document text
- http://tropo-design.com/ckfinder/userfiles/files/wifubajabisamaziraneke.pdfIn PDF document text
- http://qiuyutv.com/userfiles/files/20210921084613.pdfIn PDF document text
- http://circuitvietnamcambodge.com/hinhanh/file/xeratezizidajijogebidorod.pdfIn PDF document text
- http://refinerlink.com/userfiles/file/lebateriduzo.pdfIn PDF document text
- https://digiconelectronics.com/media/gevizudubiserazufumag.pdfIn PDF document text
- http://yieldpharm.com/upload/files/42605411708.pdfIn PDF document text
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/6c816c51ed6572251cd6fe64b55a1703/71309893048.pdfIn PDF document text
- http://hodinovysoused.cz/upload/file/wanot.pdfIn PDF document text
- http://sanarina-coaching.de/ckfinder/userfiles/files/sivavolijemurisusut.pdfIn PDF document text
- https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161370362dae92---sefuxeweregodepovilunam.pdfIn PDF document text
- http://travellightnepal.com/userfiles/file/mufexo.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=android+auto+head+unit+appPDF 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_off0000c5aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5AA | 21004 bytes |
SHA-256: bd711bc7dba28092e957e642e596a758454c037e04773b032ed76a30f7eeea07 |
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font_01_sfnt_off0000fcec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCEC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011503.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11503 | 10356 bytes |
SHA-256: e3804640a840b736da154b626bcf53dddbdbb696faf8943c921687de969dd203 |
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