MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs that function as a link farm, directing users to potentially compromised websites. These links are designed to lure users into downloading further malicious content or visiting phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://wastran.ru/uplcv?utm_term=freedom+apk+alternative PDF link annotation
- http://playbabydoll.com/userfiles/file/dijovevijas.pdfIn PDF document text
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/28b83ad9c68423507ee746a4ac59749f/musasibaxasituxefu.pdfIn PDF document text
- https://hgb.se/filer/file/sajarirej.pdfIn PDF document text
- http://inbjnews.com/data/cheditor/0603/files/digalajixagigijazizemil.pdfIn PDF document text
- http://veewood.com/file_media/file_image/file/87113883307.pdfIn PDF document text
- http://sofia-es.tokyo/yamituki-n/uploads/files/wenovosipututiweti.pdfIn PDF document text
- http://ipmarketing.net/FCKeditor/editor/filemanager/connectors/userfiles/file/55292429521.pdfIn PDF document text
- http://a-mega.ua/images/uploads/file/zizilipola.pdfIn PDF document text
- https://sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/161429bfc8d321---93960968424.pdfIn PDF document text
- http://sino-web.net/filespath/files/20210908044806.pdfIn PDF document text
- http://bacsiha.com/public/ckfinder/userfiles/files/patimejowobudububas.pdfIn PDF document text
- http://parateam.cz/file/46750647892.pdfIn PDF document text
- http://www.gpkoaee.ru/ckfinder/userfiles/files/84729650554.pdfIn PDF document text
- http://acevina.com/webroot/img/files/wusazeselusotago.pdfIn PDF document text
- https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/1614179d23a0c5---lefusuzukogo.pdfIn PDF document text
- https://alsharqcc.com/userfiles/files/43031097929.pdfIn PDF document text
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ea59f1c214---vuzoxazadareserabonipu.pdfIn PDF document text
- http://archetipoingegneria.it/userfiles/files/16333962051.pdfIn PDF document text
- http://nktrading.qa/file/files/mukinagabutineg.pdfIn PDF document text
- http://imbirimbir.ru/files/lomogisuxowo.pdfIn PDF document text
- http://gamjagolla.com/uploads/files/sebegumogulin.pdfIn PDF document text
- https://mps-india.com/userfiles/files/97934344539.pdfIn PDF document text
- http://myoffice2561.sesao33.net/UserFiles/File/93779084218.pdfIn PDF document text
- https://digireg.nz/upload/vadutaborakaxumu.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_off0000e023.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE023 | 10520 bytes |
SHA-256: ce7fb9fb5ad0dd1450141d53d26050f1279f3bc1d00fb3d81354efc3a94f82ed |
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font_01_sfnt_off0000f7f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7F8 | 18480 bytes |
SHA-256: dacf1fd7e7076b45a1643f8d17c7ec4396c81a2af0f496c117379b3faaa80b5b |
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font_02_sfnt_off00012781.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12781 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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