MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to various websites, many of which are hosted on compromised WordPress installations, suggesting a phishing or malware distribution scheme. The embedded URLs and the heuristic firings strongly support its role as a malicious document designed to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://infrive.ru/uplcv?utm_term=assured+tenancy+agreement+pdf PDF link annotation
- http://www.peretprod.ro/content-images/file/36598494455.pdfIn PDF document text
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/16092d22564823---36664398330.pdfIn PDF document text
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/bbb964ddc51011d5f1ff8e361a278d25/zazuwaviwabulo.pdfIn PDF document text
- http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/d38bba5776d5341bbae50b2fef9393cd/kusofa.pdfIn PDF document text
- https://svetpoznaniyaonline.ru/wp-content/plugins/super-forms/uploads/php/files/ad408ec114a2ae4def54eb4c84c20498/81518638240.pdfIn PDF document text
- http://rilta.net/userfiles/files/31857699226.pdfIn PDF document text
- https://cafemocion.com/userfiles/file/20396233364.pdfIn PDF document text
- https://rafaellopezehijo.com/upload/files/44389132737.pdfIn PDF document text
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/6co0550oqhfqsjjlqmc2kl5a5q/lovepalolemanatobad.pdfIn PDF document text
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073c7eb6b269---wawevuzalunuzutexure.pdfIn PDF document text
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1609b32821efa5---12691195315.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/ckq8cj8nv6v2qnne1b1blfhfpt/20902189846.pdfIn PDF document text
- http://szkolaprzybranowo.pl/ckfinder/userfiles/files/wufijodudoximuwogafuwib.pdfIn PDF document text
- http://orchid-daikanyama.com/userfiles/file/webipiruxovazom.pdfIn PDF document text
- https://ahreco.com/uploads/news_file/71187666600.pdfIn PDF document text
- http://xibuhuanyu.com/filespath/files/20210824180808.pdfIn PDF document text
- http://xn--22cjbbm2eyae3ehabdb4kqdtae3dxnnc1fhf.com/user_img/files/duduzitasavijugeg.pdfIn PDF document text
- http://renovator.cz/files/file/girubelapipenamotof.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609c087a70ac7---96099125701.pdfIn PDF document text
- http://111-orte.de/testarea/cwsCMSlight/media/files/1946102331.pdfIn PDF document text
- http://electronicaindex.nl/images/uploads/nukizerozarukulepevuso.pdfIn PDF document text
- http://ylplj.com/ckfinder/userfiles/files/mutugitubitutis.pdfIn PDF document text
- http://afgventuregroup.com/cfiles/file/60658008028.pdfIn PDF document text
- http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a6058149ee8---guzadipabowi.pdfIn PDF document text
- http://twinslock.com/ckfinder/userfiles/files/19781501990.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_off0000ded7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDED7 | 10900 bytes |
SHA-256: f44196d2d4ffc46b417f772b696583c694bbbf67d8cfeae612084c69aa5b6d43 |
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font_01_sfnt_off0000f7f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7F2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011004.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11004 | 16932 bytes |
SHA-256: bf309a3e0d45846f842899f896e83e5f10699618fd1af26687880f8f26d5be71 |
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