MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, suggesting a link farm designed to redirect users. The presence of 'utm_term' in one URL indicates a phishing or SEO-based lure. ClamAV detection and ML classification confirm the malicious nature of the PDF, likely serving as a delivery mechanism for further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://crysiq.ru/uplcv?utm_term=credit+card+generator+with+cvv+and+zip+code PDF link annotation
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145f230b4096---42258216136.pdfIn PDF document text
- https://mimpiindah2.com/contents/files/23063805708.pdfIn PDF document text
- https://kratky.eu/files/file/55185416212.pdfIn PDF document text
- https://webmenuplus.com/images/file/baziro.pdfIn PDF document text
- http://hengtongblower.com/d/files/73578343796.pdfIn PDF document text
- https://indiantiffin4me.com/nbloom/fckuploads/file/zevafip.pdfIn PDF document text
- https://mylin.in/ckeditor/ckfinder/userfiles/files/musebajowilile.pdfIn PDF document text
- http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/t7sn7jmsu7hqt4pdhthj3kugn4/41940798175.pdfIn PDF document text
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/161426de4a2d65---xozazutewiruxaravogojalar.pdfIn PDF document text
- https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/u8477imt8ge9ekt0f0o6crbka2/76195259999.pdfIn PDF document text
- http://acutecardio.ru/sadm_files/vumupanuwigijikobu.pdfIn PDF document text
- http://maroba-zirndorf.de/file/ronebusevutovove.pdfIn PDF document text
- http://sibmaxi.ru/userfiles/file/pobitik.pdfIn PDF document text
- http://maryalo.com/userData/board/file/nividutofiwoza.pdfIn PDF document text
- http://residenzaeden-albisola.com/userfiles/files/tuzusipo.pdfIn PDF document text
- https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/161333d352ae59---tijawiraboxet.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1614197c559b67---sumusumusugeto.pdfIn PDF document text
- http://irk-yoga.ru/upload/files/linogov.pdfIn PDF document text
- http://mail-ex.net/userfiles/file/jalimimadazaselugagivexe.pdfIn PDF document text
- https://adikkedua.com/contents/files/6588158858.pdfIn PDF document text
- https://audreyheselmans.com/_files/file/kizufutovoxu.pdfIn PDF document text
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/57e93a6d1f87ca07fc391ad151c4fc20/ziwudirebisuzexudog.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_off0000d6c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6C9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eee0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEE0 | 10824 bytes |
SHA-256: 1e3cc1f632668b0ee11e5f9004daf830fad5d9be83a9db454ad95f614d9ad282 |
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font_02_sfnt_off000107ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107AE | 17656 bytes |
SHA-256: 1af8b3dc94772e19ea6c2a51f300f63f8e569be7d3c34e1f4aaeebb26e71e8fa |
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