MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier. Heuristics indicate it functions as a link farm, with multiple URLs pointing to compromised WordPress sites. These links likely serve to obscure the ultimate destination and potentially distribute further malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://medvor.ru/uplcv?utm_term=best+mouse+bungees+for+gaming PDF link annotation
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/160da5a3bee958---57908498273.pdfIn PDF document text
- https://uniqrelation.com/userfiles/file/lurenabirelesuvilunaras.pdfIn PDF document text
- http://klubalfa.org/img/userfiles/file/fugubakep.pdfIn PDF document text
- http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/8j4nusl3v9lpo1b21umpmoqdc4/denigitodisexipikawe.pdfIn PDF document text
- http://basyapiemlak.com/yukleme_klasoru/userfiles/file/pababezogeditu.pdfIn PDF document text
- https://kompaspt1.com/contents//files/46520563161.pdfIn PDF document text
- https://aartipalette.com/userfiles/file/fadedu.pdfIn PDF document text
- http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160ac63f063856---79628586673.pdfIn PDF document text
- http://studioscoponi.eu/userfiles/files/weperodokitebadugegagef.pdfIn PDF document text
- https://opuntia.eu/wp-content/plugins/super-forms/uploads/php/files/ea868074e44defbd6fff2a902056f805/8648691834.pdfIn PDF document text
- http://vietsaovang.com/uploads/userfiles/file/85320967082.pdfIn PDF document text
- http://pritchardreunion.com/clients/81409/File/66664255583.pdfIn PDF document text
- https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/8d5042b2cf81ca06699376330831eb5f/57627348963.pdfIn PDF document text
- https://dubaimotorcycletours.com/uploaded_images/files/13244353222.pdfIn PDF document text
- http://vidol.nl/userfiles/file/vikusukan.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/huqolh16btmi0cvd0l8tq155ej/99613703210.pdfIn PDF document text
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/160b6bd7c8bc21---bopevisaputogawu.pdfIn PDF document text
- http://www.esthemed.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1608d9eec04ff7---zijuwasuvore.pdfIn PDF document text
- http://marthomaiticherukole.com/userfiles/file/51231899920.pdfIn PDF document text
- http://xdata.pl/app/webroot/img/ckf/files/74848035654.pdfIn PDF document text
- http://zussobrance.sk/grafika/dokumenty/22337216778.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_off0000ea6f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA6F | 17920 bytes |
SHA-256: ac529aad6cb976524a5d0bd0c8a8a0fe2ad7801915271aad7c9c940ed0b0cd98 |
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font_01_sfnt_off000118cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118CD | 10804 bytes |
SHA-256: 1d618edce1ddf7fc00ef4a12b2514c75cd3b85a45a6c5f44f05baa582f1e51ab |
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font_02_sfnt_off000131be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131BE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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