MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many pointing to compromised WordPress sites or disposable hosting, suggesting a phishing or malware distribution lure. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded links are indicative of a phishing campaign, likely using T1566.001 (Spearphishing Attachment) as the initial access vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9919
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=confluence+requirements+management
- https://amblamy.ee/upload/file/65288605267.pdf
- https://expresstestingatl.com/wp-content/plugins/super-forms/uploads/php/files/1a947dead350f74f8318d702865241ee/sotovezisovoperumifumagok.pdf
- http://emons-verlag.net/testarea/cwsCMSlight/media/files/binokupusitalex.pdf
- https://eyestech.in/wp-content/plugins/super-forms/uploads/php/files/4n5ofmqihfgk8lg5n4cnq80mps/17595465699.pdf
- https://www.democratum.com/wp-content/plugins/super-forms/uploads/php/files/763933b934e71f69caa8136b3856c071/23638832951.pdf
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/a3fb7a082213636f8b528bb79d6ecfc2/dusegujewatorewukapafet.pdf
- http://sea-cruise.ru/ckfinder/userfiles/files/situmitujekuso.pdf
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608e66f814e6d---kufevepamifoloboxaketaj.pdf
- http://aiswaryamatrimonials.com/fck_uploads/file/41105830198.pdf
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c03318ed879---51162716359.pdf
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/4j416eo6e9cfqgqdsbctui8c72/97416662759.pdf
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606cdd52d4194---96958818722.pdf
- https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/cca287e8903a1dea70b1a32d68860015/lobufawij.pdf
- https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2eb83d4693---47910258744.pdf
- http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202105100421454417.pdf
- https://nanyangtextile.com/userfiles/file/21519329079.pdf
- https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160b324a2d75e4---jogosasovideloburirew.pdf
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d9b399400d---kurog.pdf
- http://novichiha.ru/pic/file/17462359502.pdf
- http://busankid.com/webfiles/board/file///59296954185.pdf
- https://petrovsky14.ru/docs/files/80261107184.pdf
- https://camgloberealtor.com/userfiles/file/58047282715.pdf
- https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/6b063657f95f7f908f64488552819f0b/69093411005.pdf
- http://renovfab-menuiserie.com/userfiles/file/ragasawowojivarowu.pdf
- http://skolicka.eu/foto/images/file/kuxojaxobagaj.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_off000130f7.bina2714efd705049d6b428fbd0cd57f64c695b6cf7329b01656654fee21a291fe9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130F7 | 18504 bytes |
font_01_sfnt_off0001622e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1622E | 16792 bytes |
font_02_sfnt_off00017a45.bina00050ca6a76c3a9884fb8723d7f23a3dc027e7b2f938e7e38a2993792b7ca73 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17A45 | 10956 bytes |
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