MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs pointing to compromised CMS uploads and disposable hosting, indicative of a link farm designed to redirect users. ClamAV and ML classifiers flagged this PDF as malicious, specifically as a phishing trojan. While no scripts were explicitly extracted, the nature of the embedded URLs suggests a phishing or malware distribution attempt, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://philabc.ru/uplcv?utm_term=miners+haven+codes PDF link annotation
- http://open.ua/uploads/ckeditor/files/29993034580.pdfIn PDF document text
- http://vitalbafitnessclub.eu/userfiles/files/gaxuper.pdfIn PDF document text
- https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/a5dca900aed9670a0243ba3d7da920d6/ponemofexirejimibuk.pdfIn PDF document text
- http://kammed.com/userfiles/file/murutudadabironitagelumi.pdfIn PDF document text
- http://traktorpulling.de/ablage/userfiles/files/vesuxovifuzel.pdfIn PDF document text
- http://robwalker.net/fckupload/file/xinolenosaredifozuxavexa.pdfIn PDF document text
- http://ark-mr.com/data/home/qxu2063190031/htdocs/uploadfile/files/33182523343.pdfIn PDF document text
- http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613271e8c389d---7315715210.pdfIn PDF document text
- http://vuason.vn/upload/files/81991565287.pdfIn PDF document text
- http://tdsns.ru/userfiles/file/26382066234.pdfIn PDF document text
- http://www.solarwindependence.com/ckfinder/userfiles/files/5928132423.pdfIn PDF document text
- http://izmirtavla.com/upload/file/daliwexet.pdfIn PDF document text
- https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/6kef91n1h9e1pvh5bsr27tkld7/migajeguz.pdfIn PDF document text
- http://amandamaitland.com/images/file/19773854091.pdfIn PDF document text
- http://nghiencuuykhoa.com/uploads/userfiles/file/tivabadenoxitibisaridepul.pdfIn PDF document text
- http://stisk.com/file/65081519294.pdfIn PDF document text
- http://dnepropress.net/files/file/12076612890.pdfIn PDF document text
- http://www.greenfield-sustainability.com/images/files/36423164277.pdfIn PDF document text
- http://biirbeh.mn/images/content/file/kabogetakegizefuk.pdfIn PDF document text
- http://krupongs.com/images/file/wolimevemezajobawapa.pdfIn PDF document text
- http://quanhoangtsi.com/upload/quangtri/files/liputagatipumuzufuxufopul.pdfIn PDF document text
- http://klusjesindex.nl/images/uploads/19176688321.pdfIn PDF document text
- http://qlionshousing.ca/userfiles/file/86025191100.pdfIn PDF document text
- https://semsaesp.com/ckfinder/userfiles/files/97110628068.pdfIn PDF document text
- http://clubmaniacr.com/campannas/file/budokujiwojileleza.pdfIn PDF document text
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134eec772061---notomevalajipot.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_off0000d8cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8CC | 10384 bytes |
SHA-256: 9f58ad0a70a35742e0e50b58080ea21d06b2247bece6a87887974b49d111c228 |
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font_01_sfnt_off0000f041.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF041 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010853.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10853 | 18356 bytes |
SHA-256: ad726926a5b62b4bfe4c5574ec34b8880d09f3dffacd2239b6fc364902429d9c |
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