MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm directing to multiple domains, many of which are hosted on compromised CMS upload storage. ClamAV and ML classifiers identified this file as malicious, specifically a phishing trojan. The presence of numerous links and the nature of the hosting suggest an attempt to lure users to malicious content, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9888
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://fashioncenterpoint.com/wp-content/plugins/super-forms/uploads/php/files/aeaaef01606a3f7a10ae01462e7728d3/tovapozav.pdf In PDF document text
- http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1608770c0cc32a---rikunar.pdfIn PDF document text
- https://www.nstoplana.rs/ckfinder/userfiles/files/43632147579.pdfIn PDF document text
- http://aihyang.com/userfiles/file/xexobisetuzajo.pdfIn PDF document text
- http://addisonplaza.abwingsmd.com/uploads/files/52397360295.pdfIn PDF document text
- http://chamdure.com/DATA/files/bipolujibuxem.pdfIn PDF document text
- http://chothuexehochiminh.com/userfiles/file/fodanakikejo.pdfIn PDF document text
- https://store-connector.com/_upload_bilder/_filemanager/file/13655681235.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/95343274850.pdfIn PDF document text
- http://tachikawa-derma.biz/ckfinder/userfiles/files/2704980289.pdfIn PDF document text
- http://dkyangmei.com/uploadfile/file/2021062908552773499.pdfIn PDF document text
- http://onlineticketreview.com/images/file/20625586686.pdfIn PDF document text
- http://assistance.uz/images/shared/file/76288832139.pdfIn PDF document text
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/9afc02240262a1430426b3eeb57c0ba4/77972976159.pdfIn PDF document text
- https://asthasupermarket.com/userfiles/file/sisatesoguvimepuwivo.pdfIn PDF document text
- https://la-klamm.org/userfiles/file/powal.pdfIn PDF document text
- http://solamsys.com/userData/board/file/pazip.pdfIn PDF document text
- http://mazraeir.com/images/upload/files/38962622836.pdfIn PDF document text
- http://ulrike-mayer.de/userfiles/files/55197809236.pdfIn PDF document text
- https://pousadamarazul.tur.br/wp-content/plugins/formcraft/file-upload/server/content/files/16081c153c757d---juzuniforusejuxo.pdfIn PDF document text
- https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/1cff182e65377ae6dd82721d196dcfe7/80953829421.pdfIn PDF document text
- http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/afe24573ea54017b8154107952b22dc3/rurevujovaxinadomi.pdfIn PDF document text
- https://leise.ru/admin/ckfinder/userfiles/files/kilutafusekunalol.pdfIn PDF document text
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/c593c67139dc6b14c58017220aef17e7/33378617354.pdfIn PDF document text
- https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608425574b254---12318024752.pdfIn PDF document text
- http://permanentnimakeup-brno.cz/userfiles/files/pudowofisezilul.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=napoleon+book+pdfPDF 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_off0001131b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1131B | 18896 bytes |
SHA-256: 6fcdec97d81758c425c8d71b0320b28d2f704c491ab04e4f9f6a110052d7b212 |
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font_01_sfnt_off000144ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x144AC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00015cc3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15CC3 | 10240 bytes |
SHA-256: daa051dd7730d4d57f075fbb7fc022657b27b958f5304f2edddae771255e66ac |
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