MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal the PDF contains a link farm pointing to compromised WordPress uploads and disposable hosting, suggesting a phishing or malware distribution lure. The document body is unreadable, but the presence of numerous external URLs strongly supports the attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://oniceh.ru/uplcv?utm_term=lower+lows+lower+highs PDF link annotation
- https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/551efc905c7e9c4ad967117a4b6ab69e/32375995482.pdfIn PDF document text
- http://stadion-zarya.ru/ckfinder/userfiles/files/zuxij.pdfIn PDF document text
- https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/cotg3khh1n69rrpv24fhc9nfj3/31782632392.pdfIn PDF document text
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/45f9627ea2fbdf3ed10faf4711f4ec9b/97941584151.pdfIn PDF document text
- http://business-plan-capalpha.fr/mbp/upload/images/images/upload/ckfinder/zuwamovuwaru.pdfIn PDF document text
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e4b83adfadf---rukigegolelabetoributar.pdfIn PDF document text
- https://sailstudy.in/ckfinder/userfiles/files/numuniruzewufipugiwuj.pdfIn PDF document text
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a52b2844b4---33148068256.pdfIn PDF document text
- https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/hkp7fm94lusga10h8tslg41m1h/begilipixib.pdfIn PDF document text
- https://mziagroup.com/wp-content/plugins/super-forms/uploads/php/files/eemsaik8a7jefbjsb7s7a5p1h5/40246424198.pdfIn PDF document text
- http://webscape.co.bw/wp-content/plugins/formcraft/file-upload/server/content/files/160a9783d94ef8---sififibidexezapenutixaz.pdfIn PDF document text
- https://teenvolunteerhouston.org/wp-content/plugins/super-forms/uploads/php/files/bdcf6cacfc407d462c0257416f4dd06e/vemajepidibawonavad.pdfIn PDF document text
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a4f40fbf432---58826070112.pdfIn PDF document text
- http://box8websites.com/ckfinder/userfiles/files/panivojodulonuj.pdfIn PDF document text
- http://palaciodelosnavas.com/userfiles/file/sewuwane.pdfIn PDF document text
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/c8434ad41b851da31354e85b65a453f4/25927073091.pdfIn PDF document text
- https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e96909cbed---77118149057.pdfIn PDF document text
- http://tunesistudio.eu/userfiles/files/winotajarudusixetudufit.pdfIn PDF document text
- https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/91949dd68c12a6c7cc9ca9c98a3bb5a3/28220574092.pdfIn PDF document text
- http://zeguvietnam.com/uploads/ckfinder/files/92005714268.pdfIn PDF document text
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/1608252329090e---3019835487.pdfIn PDF document text
- http://vinczeandlaszlo.com/upload/bujofiwafuzilelusi.pdfIn PDF document text
- http://brenno-tojestto.pl/userfiles/file/torisawanemememugiw.pdfIn PDF document text
- https://fl-forever.com/upfiles/editor/files/50342543196.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://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_off0000eb80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB80 | 10068 bytes |
SHA-256: da13d44efebd38a6fbc2f6d2e1b83d65383b2b903ef7f26f098c562c1246080e |
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font_01_sfnt_off00010213.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10213 | 17644 bytes |
SHA-256: 6563f774727e53c072e55bbd31c378b07b9f46c5e160436e29161a1ad28faba7 |
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font_02_sfnt_off00013063.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13063 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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