MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous links pointing to compromised WordPress sites, suggesting it's part of a phishing campaign. The heuristic 'ML_NYX_PDF_MALICIOUS' and ClamAV detection confirm its malicious nature. The embedded URLs are likely used to host malicious content or redirect users to phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://krisoc.ru/uplcv?utm_term=close+out+report+executive+summary PDF link annotation
- https://spectrumohio.com/wp-content/plugins/super-forms/uploads/php/files/c3a3bd1f33316497455b4b992a215dc2/76551228897.pdfIn PDF document text
- http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607f5e90dfec9---9680534997.pdfIn PDF document text
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606eff3ab1e8e---75227488948.pdfIn PDF document text
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1608a793d87388---27194002195.pdfIn PDF document text
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608438671a23a---19503076084.pdfIn PDF document text
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16075aa72d86ce---30396930445.pdfIn PDF document text
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c41442e4f2---95019337892.pdfIn PDF document text
- http://casier-a-bouteilles.fr/file/tomofidopazowojafi.pdfIn PDF document text
- https://www.nrlandscapes.co.uk/wp-content/plugins/super-forms/uploads/php/files/54b12a099dc1310e7ae2ca645cf656a1/sipikilowowel.pdfIn PDF document text
- https://www.emma-solutions.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609175ac8be7a---35546992769.pdfIn PDF document text
- https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607130251cacc---fanegejakavoxi.pdfIn PDF document text
- http://bjzjygj.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/xuzixedufapujazobexeda.pdfIn PDF document text
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160811e5e3c6d9---78505062447.pdfIn PDF document text
- https://aedwea.com/upload/foto/nufuxiwuwitodiva.pdfIn PDF document text
- https://pilotcenter.gr/wp-content/plugins/super-forms/uploads/php/files/nnksehlf7iv4ni3t26rvm49hh4/gipotef.pdfIn PDF document text
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607d51bcb7bd5---83904561061.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://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_off0000ed7d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED7D | 5212 bytes |
SHA-256: 574ff40acda75c5ffa8c1c2c62ecb3269d1076574139b1886ea31337102e649b |
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font_01_sfnt_off0000ff2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF2D | 10672 bytes |
SHA-256: 77479b72ddc6f960eb0236654340b9f988426576ec3ecbfaffd5207748594ab1 |
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