MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous links to compromised WordPress sites, suggesting a link farm designed to host malicious content or redirect users. The document body, though partially corrupted, indicates a lure related to router reset instructions, a common tactic for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery via embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/160a4ffe4bf307---kafidasakejipopido.pdf In PDF document text
- https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/eea8fcec00fc2607a5b316bb32e6273c/83194939617.pdfIn PDF document text
- http://antifftech.com/uploadfile/file/%5C/2021050523590687.pdfIn PDF document text
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/3vackkg44thp09m0u1h22m7cbi/66150761238.pdfIn PDF document text
- https://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/fh09c48tepf5slllr39apgpfb8/debewobikaroneva.pdfIn PDF document text
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a44ef98567d---82719379390.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ded56a7947---85368554512.pdfIn PDF document text
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081d9474671d---timakazubowasinigidarevon.pdfIn PDF document text
- https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/3f04f8b808f234224d8a0163f0d69673/26046718687.pdfIn PDF document text
- http://vankouwenenmastop.nl/UserFiles/file/woximod.pdfIn PDF document text
- https://abe-rdc.com/userfiles/file/6726753075.pdfIn PDF document text
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab6e61352a0---27124461463.pdfIn PDF document text
- http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608cefc250ffc---nugigubapekupa.pdfIn PDF document text
- http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/7604b1aa518ef52e429ec36693ec9951/powakelutijok.pdfIn PDF document text
- http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a7897a8861e---nemolodixatakadebujimin.pdfIn PDF document text
- https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/16082cd1282748---fegiminurodon.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=how+to+reset+asus+router+rt-n12ePDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011ef9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EF9 | 4916 bytes |
SHA-256: 20c895ec37ce9cb7f52b5a58e7faac57bb6b84b2e66b55949638662ed6502a5e |
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font_01_sfnt_off00012fda.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FDA | 10556 bytes |
SHA-256: f70769bc7d9aabca9e2e6d264f1be30de50ba0624e32f5dfbed420d207cb9e91 |
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