MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple external URLs, many of which are hosted on compromised or disposable domains. The presence of numerous URLs with 'utm_term' parameters suggests a phishing or SEO poisoning campaign aimed at redirecting users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://pixomot.ru/uplcv?utm_term=mirror+android+phone+to+windows+10 PDF link annotation
- http://lyzebrno.cz/userfiles/file/53984107468.pdfIn PDF document text
- http://cichanski.com/Upload/file/xirufikupalagalu.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/161383d6f9fc5f---4912801323.pdfIn PDF document text
- http://oresteruggiero.com/userfiles/files/53650491673.pdfIn PDF document text
- http://1careglobal.com/upload/files/1759205863.pdfIn PDF document text
- http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/16147667920e50---61833254747.pdfIn PDF document text
- https://m3nan973ru5-pa571.com/contents/files/serituzizufoboji.pdfIn PDF document text
- http://reflita.lt/uploads/files/86204853534.pdfIn PDF document text
- https://castilloexterior.org/ckfinder/userfiles/files/mimojiwedozijugepujiz.pdfIn PDF document text
- https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/0e48273d18e5146af234d023090403bf/76875552704.pdfIn PDF document text
- https://chineseclothingonline.com/File/17749641517.pdfIn PDF document text
- http://thewellmanteam.com/userfiles/files/92165517387.pdfIn PDF document text
- http://jobsandhi.com/uploaded_files/userfiles/files/53469933815.pdfIn PDF document text
- https://ijpdua.com/contents/files/80693486401.pdfIn PDF document text
- https://senesi-sklad.cz/userfiles/file/gepuba.pdfIn PDF document text
- http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/161354b087c96b---56847684938.pdfIn PDF document text
- http://borik.customreal.sk/data/files/47585616180.pdfIn PDF document text
- https://www.db-ynox.fr/ckfinder/userfiles/files/46981349728.pdfIn PDF document text
- http://print-printonline.com/ckfinder/userfiles/files/sisovogepebijadenuv.pdfIn PDF document text
- http://gift-founder.com/archive/upload/files/83633440682.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/5fe29b7688bb8f4810a2e916b3e0e87c/74595136445.pdfIn PDF document text
- https://deesudcoolingtower.com/userfiles/file/18141106295.pdfIn PDF document text
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d7869cf675---16704658704.pdfIn PDF document text
- http://xn--3bsx3iw22bmot.com/filespath/files/20210914093740.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_off0000c4fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4FD | 17684 bytes |
SHA-256: f95680e5bb6b17d13fae06edba5a9b50ad1089e47b291c8aeed7a3453eafc063 |
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font_01_sfnt_off0000f24e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF24E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010a65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A65 | 10696 bytes |
SHA-256: f9a9d99400b334d049c647359a333b04af026d9c390efd2541a7c6e1e6a1de5e |
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