MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains numerous embedded URLs pointing to compromised WordPress sites and other disposable hosting. These links likely serve as a link farm to redirect users to malicious content, such as phishing pages or malware download sites. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://laborke.ru/uplcv?utm_term=this+is+not+a+pipe+foucault
- https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/a143c8e8d052874c827feaf2710d76c5/69001325674.pdf
- http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a59d41e1308---libutodavekekorunekomogad.pdf
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160a88e8e45448---sivura.pdf
- http://cpgny.com/userfiles/files/68112999696.pdf
- http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/f10a3d44f9af8443d8481e92bb82bd27/xefasutud.pdf
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ee941d9f3e---50873512145.pdf
- https://eternalbliss.net/file/mebogurojudemofarupaz.pdf
- https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/160789e1f57456---gonux.pdf
- http://pogservice.ru/userfiles/file/77467994700.pdf
- http://eros-arena-reutlingen.de/eros/userfiles/file/41223649088.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b42523c302c---ripisadog.pdf
- http://webhenevents.com/clients/868374/File/62867450026.pdf
- http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607775f51456e---99871198740.pdf
- http://jevades.com/aircraft/fckimages/file/20238842921.pdf
- https://slide-bearing.com/d/files/wefaz.pdf
- http://hzzxtl.com/UploadFile/file/20210625212023060.pdf
- https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/160733a08dbada---80366587228.pdf
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160ad62884d6c8---getevimoliwopir.pdf
- http://maternites-catholiques.org/ressource/site-image/files/muwuzoribufonuvi.pdf
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa71c2ce6bd---3948097278.pdf
- https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/e85a5f62d8985ed1b58062e6b3852ff0/15965750809.pdf
- http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160810a9cf300e---zuliva.pdf
- http://mvclassof1990.com/clients/8/8c/8ca0ba2c7a07c5cd1f21f9fc323c16c5/File/wefonuso.pdf
- http://kayapaliinsaat.net/file/78234938731.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b875.bine98acab32fc2191edbff8ef1d95e24882dc11f578c9a8a5fe7f1f8f3833e1120 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB875 | 15528 bytes |
font_01_sfnt_off0000e00f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE00F | 16792 bytes |
font_02_sfnt_off0000f826.bin1b2e6fd238aa4b1a713f66e697e38f51a9943cd83b82ab8f1c7b85bf41633737 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF826 | 10540 bytes |
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