MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to lure users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://zh-huaxun.com/uploadfiles/files/zaxefirabelakemi.pdf In PDF document text
- http://hanasushi6.com/uploads/files/65213091046.pdfIn PDF document text
- https://mimpidia2.com/contents/files/kazajunerinovizuravopuse.pdfIn PDF document text
- http://ducthai.vn/userfiles/file/tepajovoxemizimusog.pdfIn PDF document text
- https://vanvoorst.info/uploaded/file/panib.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/fa704650e714dd29665376e845aecccb/83540207048.pdfIn PDF document text
- https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/5qvvk5b4vt9lu0vcn4fcjde29j/73169960675.pdfIn PDF document text
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16139ce93623b0---17891058664.pdfIn PDF document text
- http://isagenixmakessense.com/ckfinder/userfiles/files/14270179103.pdfIn PDF document text
- https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/c572a235a8de3c56784726c124db53ff/97175384780.pdfIn PDF document text
- http://zrdb-drogbud.pl/Upload/file/libawunozabudamepi.pdfIn PDF document text
- https://joebalogh.ro/imagini_ws/zoleriri.pdfIn PDF document text
- https://hamasataccessories.com/userfiles/files/dawepomi.pdfIn PDF document text
- https://www.assofmt.org/ckfinder/userfiles/files/wuvuxivikamo.pdfIn PDF document text
- http://camel-republic.com/media/userfiles/files/58368183678.pdfIn PDF document text
- http://yearbookplus.com/uploads/ckfinder/files/jipizerup.pdfIn PDF document text
- http://unityproductions.com/upload/files/41820760566.pdfIn PDF document text
- http://xn--12cm8caae5d9a0a0a1dxk6dd.com/user_img/files/koruwi.pdfIn PDF document text
- http://zhongjiukeji.com/upload_fck/file/2021-9-8/20210908101021763064.pdfIn PDF document text
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135b51b92022---zonajixu.pdfIn PDF document text
- http://akcjonariusz.com/UserFiles/file/71415404580.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=free+vbox+codesPDF 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_off0000da45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA45 | 17856 bytes |
SHA-256: 79b8d1e6b12232881d2d63b200059655f0fc43021b62089ab04a19937bc8297c |
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font_01_sfnt_off0001088a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1088A | 10148 bytes |
SHA-256: 87ba43164748f464adddc2e194e0dfffdfd8143f0ac27e3d65f78949dcdab4a2 |
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font_02_sfnt_off00011f52.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F52 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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