MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier as malicious. It contains numerous links, many pointing to compromised WordPress sites, suggesting a phishing or link-farming attack. The presence of embedded URLs and the overall structure indicate it's intended to redirect users to malicious content, likely for credential harvesting or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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 http://lse.hu/userfiles/file/48395465416.pdf In PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614ae82539c8b.pdfIn PDF document text
- https://treasurehunterdetectors.com/ckfinder/userfiles/files/68917434091.pdfIn PDF document text
- http://bong-dem-long.org/upload/editor/files/20656567407.pdfIn PDF document text
- http://xaydungphongphu.com/uploads/files/67485096484.pdfIn PDF document text
- https://aksukartela.com/images_upload/files/mexulurutipegenoxo.pdfIn PDF document text
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/161444f261a269---negumexoxufimajaloxapa.pdfIn PDF document text
- http://xn----dtbhwhggdaoqfh3d.xn--p1ai/media/file/5767115650.pdfIn PDF document text
- http://xinyaoqiye.com/upload_fck/file/2021-9-18/20210918091617803664.pdfIn PDF document text
- http://panova-art.com/files/file/31133059950.pdfIn PDF document text
- https://dhesient.com/media/xupikofefiv.pdfIn PDF document text
- https://oriental-kitchens.com/userfiles/files/jeroremu.pdfIn PDF document text
- http://prunay-en-yvelines.fr/ckfinder/userfiles/files/66148292459.pdfIn PDF document text
- https://ceccarbotosani.ro/userfiles/file/87761888640.pdfIn PDF document text
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/161403bd894f04---bimewewinigekuji.pdfIn PDF document text
- https://pmsp-me.com/userfiles/files/dimasujoxulosudeze.pdfIn PDF document text
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16141cac7d4045---92583201915.pdfIn PDF document text
- http://uspeh-kursk.ru/ckfinder/userfiles/files/42145370644.pdfIn PDF document text
- http://www.frank-diagn.hu/userfiles/files/47386040400.pdfIn PDF document text
- http://gist.adrianlechowicz.pl/userfiles/file/63416508402.pdfIn PDF document text
- https://nhabe.com.vn/ckfinder/userfiles/files/ganewenovavo.pdfIn PDF document text
- http://color-gateway.com/userfiles/file/pikosilirebugasagukukexis.pdfIn PDF document text
- https://quatden.vn/webroot/img/files/67556380985.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=miui+12+mi+pad+4PDF 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_off0000c733.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC733 | 10128 bytes |
SHA-256: 9c8637a44ae90c96ea205424c544afb1c50f5c355312683c8513ba4d3a6a1875 |
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font_01_sfnt_off0000ddd6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDD6 | 18848 bytes |
SHA-256: 8d610a05ba4fcadbb588751294426a2c33b591c050aacd1266488c0f611c32c9 |
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font_02_sfnt_off00010e8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E8B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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