MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to compromised WordPress sites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URLs point towards a malicious campaign, likely involving a spearphishing attachment as the initial access vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://catamma.ru/uplcv?utm_term=in+store+activation PDF link annotation
- https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/1606f18d74141f---podabokusuvubuwukilum.pdfIn PDF document text
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8fded1e07e---gejoweluwima.pdfIn PDF document text
- http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/o9p5o7gpni6ek7ak79t0j0d576/vepurokimiferewilisirimis.pdfIn PDF document text
- http://studionegro.net/userfiles/files/79768482692.pdfIn PDF document text
- https://bikeid.net/ckfinder/userfiles/files/giwijimazox.pdfIn PDF document text
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ace6b00da58---gajorexiletulufuxuxuzudol.pdfIn PDF document text
- https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/557a10b61846b81310233de3d3d0eb41/22408442574.pdfIn PDF document text
- https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9cba683b58---mosafelalosujo.pdfIn PDF document text
- https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/66785ac4c590c00a52637c274b636d7f/34458318092.pdfIn PDF document text
- https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/fntqpe3p52r2fq5eh7hpj4e6ge/fawiloxebusorozukanidafa.pdfIn PDF document text
- http://faurerom.com/userfiles/file/58651718472.pdfIn PDF document text
- http://greatnice.club/updatefiles/file/43470102269.pdfIn PDF document text
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/16071a80af068e---pefozaxijarar.pdfIn PDF document text
- https://aarhuskortet.dk/images/file/74380556941.pdfIn PDF document text
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d5659da718---71236913722.pdfIn PDF document text
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098cdff06aa9---fitigavanizinabovi.pdfIn PDF document text
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/ddbuc9fst87a8bjbsjcohdu0ja/94372911922.pdfIn PDF document text
- http://doks-films.com/pcms/content/file/54704438157.pdfIn PDF document text
- https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aaeb7c23b3e---96793764771.pdfIn PDF document text
- https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609dc90b5ee96---7686887513.pdfIn PDF document text
- http://fine-cottage.ru/userfiles/files/goxowe.pdfIn PDF document text
- http://china-miyaco.com/img/file/202161885333.pdfIn PDF document text
- http://playeasypiano.com/resources/fck_images/kidiki.pdfIn PDF document text
- http://bitite.lv/media/txt/122/file/95375596381.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_off0000c8e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8E8 | 10192 bytes |
SHA-256: daa778934e5ff4a78ae38adfc20d743a998ff04259bb8632f41f37f17239ae1c |
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font_01_sfnt_off0000dfec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFEC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f7fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7FE | 16940 bytes |
SHA-256: 3515a9f7278cef1e13db704d17f44ad3e0a8f1e33539add10099ae130120deda |
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