MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm or phishing attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were directly extracted, the PDF structure and embedded links are indicative of a phishing or malicious redirection scheme, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://svetplus.com/userfiles/files/5589089901.pdf In PDF document text
- http://tsg-vaganovskoe.ru/ckfinder/userfiles/files/kifukobosusuvuka.pdfIn PDF document text
- http://studiotravenzolo.it/userfiles/files/75261275502.pdfIn PDF document text
- http://blpest.com/UserFiles/file/59678326160.pdfIn PDF document text
- https://alsharqcc.com/userfiles/files/netudenadodawovas.pdfIn PDF document text
- http://www.facyt.com.ar/ckfinder/userfiles/files/28183642270.pdfIn PDF document text
- https://careerroots.net/ckfinder/userfiles/files/48114265238.pdfIn PDF document text
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/161412010367fc---26814831673.pdfIn PDF document text
- http://venusland.vn/app/webroot/img/files/20941044751.pdfIn PDF document text
- https://ww150005.linebot.net/upfile/files/20210908213828.pdfIn PDF document text
- http://ydchem.cn/filespath/files/20210903234815.pdfIn PDF document text
- https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/1221c1201dd9ea1e4ae737fd311d5865/32309048344.pdfIn PDF document text
- http://zeci.nl/im/image/sipamibifi.pdfIn PDF document text
- https://ubitanduk.com/contents/files/webisiniwuwigogelom.pdfIn PDF document text
- http://korea-labels.com/ckfinder/userfiles/files/90055115326.pdfIn PDF document text
- http://www.jindatunnel.com/up_files/file/40549451123.pdfIn PDF document text
- http://tprcindia.com/ckeditor/ckfinder/userfiles/files/mezawamer.pdfIn PDF document text
- http://thebookmarkcafe.com/uploads/files/zububobanidagazaxuvuvoge.pdfIn PDF document text
- http://tlumacz-francuskiego.pl/userfiles/file/witulakipodefajuf.pdfIn PDF document text
- https://2acontractor.it/images/file/37380586417.pdfIn PDF document text
- https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/d9298dbb5968b1175deda14f1f64bee1/sodedupi.pdfIn PDF document text
- https://xenang-mitsubishi.com/fckupload/file/gevetifo.pdfIn PDF document text
- http://nhatrangpalace.net/app/webroot/upload/files/14662023150.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=gta+v+mobile+apk+filePDF 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_off0000d951.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD951 | 17712 bytes |
SHA-256: c4342017e4228bc042123e9f7d9dfb25faa5619336c1c265a808c0c9bbdbf4cb |
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font_01_sfnt_off00010740.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10740 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011f57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F57 | 10484 bytes |
SHA-256: 5e96437e76e23a6f7f3b9be1e81e3c762e79ea9c47bb1f2001b4a83c128ebed4 |
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