MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many pointing to compromised CMS uploads and disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of 'patient safety journal' in a URL parameter further supports a phishing or social engineering lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/g6k8a2a24kgeoab5f2lfuh7v87/rosisomemosoj.pdf In PDF document text
- http://fantasymusic.it/userfiles/files/56727018489.pdfIn PDF document text
- https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/995a4d4686a97ad3fc51e19679f6f7a6/57536897096.pdfIn PDF document text
- http://uat2.hkha.com.hk/ckfinder/userfiles/files/64159501339.pdfIn PDF document text
- https://www.perfumista.co.uk/wp-content/plugins/super-forms/uploads/php/files/05d51f9c323bef37e37c9484104ee916/gevojuvumusodoveleji.pdfIn PDF document text
- http://yaqeen-eg.com/userfiles/file/28572213699.pdfIn PDF document text
- http://hangquangauto.com/files/zafuxolufiroxunujaw.pdfIn PDF document text
- http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f63e858f08---78776908982.pdfIn PDF document text
- https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/9emntnq385m5tbc500khlicq3f/17818051148.pdfIn PDF document text
- http://xn--tnqz8hz5cb8l.com/upload/files/53054151742.pdfIn PDF document text
- http://zlato-invest.cz/upload/files/wovudofekalogenirovatije.pdfIn PDF document text
- http://kinogigant.com/sadm_files/6853927314.pdfIn PDF document text
- http://www.atccs3.it/atccs3/fckeditor/editor/ckfinder/userfiles/files/47138708545.pdfIn PDF document text
- http://sunjewelsonline.com/userfiles/file/nerokubis.pdfIn PDF document text
- http://nachhilfeschule.havonix.com/ckfinder/userfiles/files/bafas.pdfIn PDF document text
- https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/ac8dd70f847af1ed7ff561b23d238293/leluvebowimofefezakeza.pdfIn PDF document text
- https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/iu1r101nphu04dgl868tpvf2dp/41444369134.pdfIn PDF document text
- http://marchmont.ru/imgs/file/pozufenegedudotoni.pdfIn PDF document text
- https://dyaa.club/uploads/file/nuselifalafanum.pdfIn PDF document text
- http://portsreunion2021.com/clients/b/b1/b1889431de095b9710a1303a3c619afc/File/21988813398.pdfIn PDF document text
- http://psychologyforeverybody.com/ckfinder/userfiles/files/10702406622.pdfIn PDF document text
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/b6fdbb7a1a4afe9024e3430efd3b3f2b/jasaxag.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/i41jtiqst2r6agso0e8dl9d0mp/petezixomadenaruvexirufuf.pdfIn PDF document text
- http://vhktn.at/images/content/files/78037058782.pdfIn PDF document text
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16126bdfe2de4c---vojuzupatonib.pdfIn PDF document text
- http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/a212a1996e81bead4bf94b9d79c6fe05/46583660818.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=patient+safety+journal+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_off0000e23b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE23B | 19068 bytes |
SHA-256: f80aa85967b9f061b453a0f520e472e9c4bf8a16f7f8374a79897c6de40b58ea |
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font_01_sfnt_off0001144f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1144F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012c66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C66 | 10836 bytes |
SHA-256: 15ebb9ea2973b32c25676c6b11d166c0d0f9c9c3e9b708d9cf56fec958ba6de1 |
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