MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised WordPress sites, suggesting a link farm or phishing lure. The presence of these links and the overall structure align with techniques used to redirect users to malicious content or exploit vulnerabilities.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/rd3reo082373h3fj9p3jd2t3c8/90555608239.pdf In PDF document text
- https://coluer.ir/documents/file/jirawexor.pdfIn PDF document text
- http://serramentisiciliano.it/userfiles/files/97422535987.pdfIn PDF document text
- https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/dtesvspmg8psuroru729cokjo9/bajubiw.pdfIn PDF document text
- http://ytbozhuo.com/upload/file/260455359053.pdfIn PDF document text
- http://coiffurenais.com/userfiles/file/31544339756.pdfIn PDF document text
- https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/8qb7564o6jthj5lt3pa0m8j4h0/susolibeneb.pdfIn PDF document text
- https://chamsocmuihong.com/wp-content/plugins/super-forms/uploads/php/files/fvkbler8n8slavb8kq3tkrjrme/97162370535.pdfIn PDF document text
- https://dm288.com/slicice/file/96037372633.pdfIn PDF document text
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/16094ca0b0bac4---favebigofo.pdfIn PDF document text
- https://al-farh-iq.com/upload/userfiles/file/4707833026.pdfIn PDF document text
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d7e6148e00---pewideva.pdfIn PDF document text
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/160acd873eec30---64141226428.pdfIn PDF document text
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/6550d9322a0bcaad13d243b48b6f6980/gosilotunikifaguz.pdfIn PDF document text
- https://travolution.travel/wp-content/plugins/super-forms/uploads/php/files/55ce539736e79bc0b56fa84bfa891648/nuxepoduzuv.pdfIn PDF document text
- http://desagresbrts.com/clients/34568/File/33555121321.pdfIn PDF document text
- http://wib24-admin.de/uploads/file/besiwalezakate.pdfIn PDF document text
- https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/40b1ba0047e0ee496ffd0faa5003a750/14095687648.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=other+words+for+depressedPDF 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 |
|---|---|---|---|
stream_003_off0000fc11.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xFC11 | 17520 bytes |
SHA-256: a1fc58436d828f0a8bddd88a8dbc09267aa366483e4b92d9fa183aebac6b64ba |
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font_00_sfnt_off0000e4a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4A0 | 10300 bytes |
SHA-256: d6905edbd0ae64a0e1429e57398e5b8d408d3e9531fb519b920445529d1290c9 |
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font_02_sfnt_off000129af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129AF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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