MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised WordPress uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs, while numerous, do not directly indicate a specific malware family, hence 'unknown family'.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://fongyoskert.hu/userfiles/files/devedeg.pdf In PDF document text
- http://bapassamarinda.id/assets/ckfinder/core/connector/php/uploads/files/17785429525.pdfIn PDF document text
- https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/8c9046de8a43f35a5305846296b1844e/luragijuvedagigudejejojix.pdfIn PDF document text
- http://tuzy.pl/Upload/file/sikulosonegemafajusiguxus.pdfIn PDF document text
- http://elrey-uslugi.ru/media/file/fogazofim.pdfIn PDF document text
- http://cementfeet.com/userfiles/file/53344922271.pdfIn PDF document text
- http://ptichile.cl/userfiles/file/62668831674.pdfIn PDF document text
- http://artpolinakuzina.ru/pict/file/26716806459.pdfIn PDF document text
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e3e320c9c3---49062684067.pdfIn PDF document text
- https://didacostruzioni.it/userfiles/file/fuwanozutaxewukovenexi.pdfIn PDF document text
- https://elearning-chemistry.ro/userfiles/file/31431697353.pdfIn PDF document text
- http://hylimusic.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/tenonerasumo.pdfIn PDF document text
- http://clubselectionvoyages.com/images/file/85301469237.pdfIn PDF document text
- https://iqrainternationalschool.org/_assets/files/titosedeve.pdfIn PDF document text
- http://revucue.com/ckfinder/userfiles/files/37552467340.pdfIn PDF document text
- http://edwardfmcgintypa.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nuxiriwisefu.pdfIn PDF document text
- https://onderdurdu.com/upload/ckfinder/files/53172968701.pdfIn PDF document text
- https://netiko.fr/img/Data/file/54597234159.pdfIn PDF document text
- http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16130575c21123---lixolojil.pdfIn PDF document text
- https://unaizahic.com/Files/files/17870851118.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=android+m3u+video+playerPDF 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_off0000ce3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE3D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e64f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE64F | 17884 bytes |
SHA-256: faa16466c105f46cf3fbe5cfc62e34e00aac3f3207793b1a3576d352dcbf26f1 |
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font_02_sfnt_off000114fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114FB | 10720 bytes |
SHA-256: f0aa7c55e97b8dc4c451d9c0a1d6f897b5f9d05dd4c3d0cada8dafcb0bc667b5 |
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