MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm with numerous URLs pointing to compromised CMS upload directories and disposable domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to lure users to malicious sites via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9984
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://partnermind.cz/images/files/feraxazidijosase.pdf In PDF document text
- https://comfortinnbarrie.com/phpsites/vertical_living/uploads/file/96059652416.pdfIn PDF document text
- https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/81b57d0646725860b794e1d2b1bde66f/91867803612.pdfIn PDF document text
- http://kochamsushi.pl/UserFiles/file/20368434890.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/7b0e731f66c4ade2d5836e1277a50610/puwolugopo.pdfIn PDF document text
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607bc38163e4d---ruwinupajerexodirup.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/hiegq9vmopjtkig3kcqs0tb3s6/68563122290.pdfIn PDF document text
- http://bangkoksolarpower.com/syner_upload/images/files/luzisumenajibud.pdfIn PDF document text
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b2d0de75d7---82754832854.pdfIn PDF document text
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/ee4b87e27e0c245ec80944c00660dd2a/60472222944.pdfIn PDF document text
- https://airflow-skateboards.com/userfiles/files/23528765323.pdfIn PDF document text
- http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099da20d07a2---21419265412.pdfIn PDF document text
- https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/a352a6db380e8ef7b554ba33b09328c5/50892552105.pdfIn PDF document text
- https://ph2020.org/FCKeditor/file/72149371733.pdfIn PDF document text
- https://arch.ua/ckfinder/userfiles/files/48568438775.pdfIn PDF document text
- http://www.egavilanes.com/ckfinder/userfiles/files/bulunavolopakop.pdfIn PDF document text
- https://shidoremicrosys.com/media/vudotozutetalabetiruza.pdfIn PDF document text
- https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/tmqh8anh9mf25bv8ugi45npu8e/vifeboxus.pdfIn PDF document text
- https://dm288.com/slicice/file/sajodasido.pdfIn PDF document text
- https://hydratrend.com/application/third_party/ckfinder/userfiles/files/75966542137.pdfIn PDF document text
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160755d6cdb50f---64568240072.pdfIn PDF document text
- http://asea-admin.com/_userfiles/file/20210625181350.pdfIn PDF document text
- https://guclupin.com/calisma2/files/uploads/7471496157.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=vieta+jumping+problemsPDF 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_off0000bc35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC35 | 15808 bytes |
SHA-256: d8d85bca837b6ffd32b4897a58ad37d36caa396320f0dde469309f751c1e284e |
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font_01_sfnt_off0000e55f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE55F | 10936 bytes |
SHA-256: 22e3ea25487b7a9328d0e678f1235e6f96a5a8e4c3d190e7ead555d91dc2682b |
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font_02_sfnt_off0000fe72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE72 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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