MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many pointing to compromised websites or disposable domains, indicating a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly suggest this PDF is malicious, likely serving as a lure for phishing or malware delivery. No scripts were extracted, but the structure and URL patterns are indicative of a malicious PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://cructi.ru/uplcv?utm_term=volleyball+game+rules+pdf PDF link annotation
- https://polistirendecor.ro/app/webroot/files/userfiles/files/6313507589.pdfIn PDF document text
- http://raiders71.com/clients/4/41/4134020f2f298c111575624a380fabfc/File/kiwijoxunileviwe.pdfIn PDF document text
- http://sdes.in/uploads/33767999657.pdfIn PDF document text
- https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098f704dff68---jefazixinosufuvo.pdfIn PDF document text
- http://www.radeton-cz.vasestranky.cz/ckfinder/userfiles/files/xefipikewovakudadagununiz.pdfIn PDF document text
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/964e114b77fa0abe1e4ea15cf25a751a/20407396469.pdfIn PDF document text
- https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/468286631e38102536bfeda94029dda5/23964931895.pdfIn PDF document text
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/7jq9g7h9olh553bkc0ifs4b8da/30506170988.pdfIn PDF document text
- https://pacpartner.net/images_client//imagesfile/26808008216.pdfIn PDF document text
- http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/1608857cee7591---katusupigivibumax.pdfIn PDF document text
- http://ansatrans.ru/admin/ckfinder/userfiles/files/sexizelamubesupobikasi.pdfIn PDF document text
- http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa9d0abb417---lefunawigo.pdfIn PDF document text
- http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160844ed04ca84---79275448574.pdfIn PDF document text
- https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/16102c2ad70bc9---toremalexagija.pdfIn PDF document text
- http://nhasachnguyenvancu.com/Images_upload/files/rugugebirif.pdfIn PDF document text
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d24be27042b---satew.pdfIn PDF document text
- http://pokorny-podlahy.cz/UserFiles/File/53186301502.pdfIn PDF document text
- http://3dprofi.net/images/uploads/file/7573586768.pdfIn PDF document text
- https://sportsht.com/userfiles/file/31087322592.pdfIn PDF document text
- http://asea-admin.com/_userfiles/file/20210510050750.pdfIn PDF document text
- https://e-tta.com/app/webroot/userfiles/files/jazurujesolalizux.pdfIn PDF document text
- http://mjacz.cz/soubory/files/notidimoteje.pdfIn PDF document text
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/s06qfgcjn7n9ga9q88ae9gc0v2/10376842738.pdfIn PDF document text
- https://thinkhigh-tech.com/d/files/metujesolesof.pdfIn PDF document text
- https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/2f79850d40610901dabb309c6ebf0aed/32026626899.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_off0000f8a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8A3 | 17516 bytes |
SHA-256: ec52adb417abe2a4297b07dc71152bd105febd31d93042626c412644c146a4fb |
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font_01_sfnt_off000125a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125A8 | 10868 bytes |
SHA-256: 7c15c37783c0fae3bdb4e55b78ac95e602a8dbee35086290584af4eae10512b4 |
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font_02_sfnt_off00013e6d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E6D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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