MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains a link farm pointing to multiple compromised websites, likely to distribute malware or phish for credentials. The document body is unreadable, but the heuristics strongly suggest a malicious intent through the use of numerous external links hosted on potentially compromised or disposable domains.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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 http://kronospan-mofa-hungary.hu/editor_up/kamerakamigewiluf.pdf In PDF document text
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/2qo7c09g7rtah2pa15s86qfdvm/60007943259.pdfIn PDF document text
- http://fazendasaojudastadeu.net/fotosempresa/files/podejivodukekojewibu.pdfIn PDF document text
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c3b7a9ed61---gupijesu.pdfIn PDF document text
- http://saharun.org/uploads/ckfinder/userfiles/files/64355900288.pdfIn PDF document text
- http://kalkulacka-hypo.cz/userfiles/files/89763015215.pdfIn PDF document text
- http://avandcie-energy.fr/ckfinder/userfiles/files/genat.pdfIn PDF document text
- https://vientangluc.com/upload/files/lixupota.pdfIn PDF document text
- http://ecoaga.com/documentos/file/92927312740.pdfIn PDF document text
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613115e083e70---sanovo.pdfIn PDF document text
- http://nrgmedia.hu/files/file/32170661059.pdfIn PDF document text
- https://ambient-interier.cz/files/files/xidakosunobimozasojo.pdfIn PDF document text
- http://hsaltsj.com/uploads/files/23530955546.pdfIn PDF document text
- http://remont-elektro.eu/archiv/file/57566211296.pdfIn PDF document text
- http://palazzodiaz.com/userfiles/files/82377995892.pdfIn PDF document text
- https://dukra.sk/editor_uploads/files/majuxazadiri.pdfIn PDF document text
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/9tfvaaf9ajbjao3b6pq18mmun5/vegopof.pdfIn PDF document text
- http://ibshop.gr/uploads/_uploads/files/medazikunosetademi.pdfIn PDF document text
- http://greenhere.cn/upload/ckimg/files/202109100849209036.pdfIn PDF document text
- http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/161300ebfe05b8---58141446047.pdfIn PDF document text
- http://godsownproperties.com/userfiles/file/xeladezulezavezitutetum.pdfIn PDF document text
- http://ky-auto.com/uploadfile/files/96697604735.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=what+is+the+latitude+and+longitude+of+the+equatorPDF 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_off0000d955.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD955 | 10872 bytes |
SHA-256: e9fd196f525418acfc0d3ecba1b2a844cbb7d78becebad8b4ee87e17a08e37e5 |
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font_01_sfnt_off0000f1dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1DC | 17544 bytes |
SHA-256: 7bb99dcce096707ebf7a83e7a2c6d3a1ad705ba814fe217ff730f7e8d7e15f17 |
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font_02_sfnt_off00011f08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F08 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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