MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to various domains, many of which appear to be part of a link farm hosted on compromised or disposable infrastructure. The primary purpose seems to be directing users to malicious sites, likely for credential harvesting or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9962
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://coretry.ru/uplcv?utm_term=first+spiderman+comic+pdf PDF link annotation
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16136bb18df72f---35381711282.pdfIn PDF document text
- https://euchebnici.com/img/file/sageruzulezisi.pdfIn PDF document text
- http://stopguepes72.fr/userfiles/file/26063320402.pdfIn PDF document text
- http://xn--oy2b9bv81anouola.com/upload/file/202109170924591759.pdfIn PDF document text
- http://bonfiremadigan.com/uploads/fckeditor/file/23197308372.pdfIn PDF document text
- http://www.tobywells.org/media/fckdir/file/45757926092.pdfIn PDF document text
- https://springkasteelhuren.be/userfiles/file/35790799792.pdfIn PDF document text
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/e5c81e8b844b1b20854f0f01e7d8d4de/sukoxovenujimoteg.pdfIn PDF document text
- https://flavio-tonon.it/public/file/62545830050.pdfIn PDF document text
- https://benqmusicworkshop.com/fupload/file/dozakifoxuzo.pdfIn PDF document text
- http://birkhoffhi.com/userfiles/files/damipunojumasakamibajo.pdfIn PDF document text
- http://ty6600.com/userfiles/file/42473415245.pdfIn PDF document text
- http://bukharaatlanta.com/sites/default/files/file/kowuwa.pdfIn PDF document text
- https://sicurezzaips.it/uploads/file/98022334589.pdfIn PDF document text
- https://kaplaitalia.it/userfiles/files/sujogakapakuzifepeza.pdfIn PDF document text
- http://thriftstorewebsites.com/flash/thriftstorewebsites.com/file/37853185938.pdfIn PDF document text
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/161325d5351bad---xaguraxolakovofesipelazan.pdfIn PDF document text
- http://tomgiongvip.com/uploads/files/file/46236590128.pdfIn PDF document text
- https://mmszke.hu/files/file/61586154552.pdfIn PDF document text
- http://franklcalabreseattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/sutimogotulezox.pdfIn PDF document text
- http://noithatmyhome.com/img/files/mufuxemufum.pdfIn PDF document text
- http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/1613b16a0106a0---funax.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_off00013033.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13033 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00014845.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14845 | 19208 bytes |
SHA-256: e9d590aca202464027f6ba0835c768d1c213242abd98f341b7a41fd10da0d6e4 |
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font_02_sfnt_off000179a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x179A1 | 10712 bytes |
SHA-256: c19722946c90af447567e8ba045cf5316373f8237dd0374e9f8b63f10c443416 |
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