MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a large number of external URIs, many of which point to compromised WordPress upload directories, suggesting a link farm designed to redirect users. The document body is heavily obfuscated and unreadable, but the presence of numerous suspicious URLs indicates a phishing or malware distribution attempt.
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://oniceh.ru/uplcv?utm_term=tintern+abbey+short+summary PDF link annotation
- https://mziagroup.com/wp-content/plugins/super-forms/uploads/php/files/n4sujf5c9gueavs13f4num5u96/xuwuzobumibigokof.pdfIn PDF document text
- https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16089085cd5e9c---xazudo.pdfIn PDF document text
- https://thesaddlebank.com/wp-content/plugins/super-forms/uploads/php/files/otmunm0gcfhicggdsb9sgf4gsi/dojisa.pdfIn PDF document text
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/273f2e9fb7834bff806014bfe36a7da8/bazisojupezomibibizose.pdfIn PDF document text
- https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/762fe809588462acca886337ce711e12/43476309117.pdfIn PDF document text
- https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/16092efb0a2a6f---dexalo.pdfIn PDF document text
- http://thuephotocopytaihanoi.com/upload/files/6384932994.pdfIn PDF document text
- https://www.nrlandscapes.co.uk/wp-content/plugins/super-forms/uploads/php/files/be0e1ca3c0a49d4079c6d39131ada114/65997559650.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/xoxunamagipafopimesejudev.pdfIn PDF document text
- https://www.gasserbush.com/wp-content/plugins/super-forms/uploads/php/files/2f9c008a274ea1225ad3d24309e2f87b/popoxepikodifepiwibuj.pdfIn PDF document text
- http://asupuro.com/upload/save_image/files/46205912257.pdfIn PDF document text
- https://bakwanudang.com/contents//files/21741940097.pdfIn PDF document text
- https://vietnaminsight.biz/ckfinder/userfiles/files/ponisadutage.pdfIn PDF document text
- http://spamsmsgiare.com/media/ftp/file/11248768673.pdfIn PDF document text
- https://varbackaforskola.se/ckfinder/userfiles/files/98296132699.pdfIn PDF document text
- https://bonafideonline.com.ar/wp-content/plugins/super-forms/uploads/php/files/5096f3577b73ff8da15ccfbb46fa0180/12237586497.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087bd29031f1---72447868396.pdfIn 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_off0000f810.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF810 | 5084 bytes |
SHA-256: 86b88a2d015cdf0bb667e234ae40a8442efbaff8a890fae92c88189185e15a6b |
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font_01_sfnt_off0001092f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1092F | 10884 bytes |
SHA-256: 40902851b3223c268f7c257e1fbf4df2f81a9a7d03bbab91d931f17986472faa |
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