MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting it functions as a link farm. The presence of embedded URLs and the heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggest the document's purpose is to redirect users to potentially harmful sites, likely for phishing or malware distribution. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://medvor.ru/uplcv?utm_term=metro+map+barcelona+spain+pdf PDF link annotation
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/160b9b92767ca8---fivunawezuwefem.pdfIn PDF document text
- http://cga82.com/admin/File/xulawebumisamode.pdfIn PDF document text
- https://ambientltg.com/wp-content/plugins/super-forms/uploads/php/files/5f9c15f35a0ec0f333733107142e5c66/11867815206.pdfIn PDF document text
- http://asztalosweb.hu/userfiles/file/saxifazowawad.pdfIn PDF document text
- https://islandsvefir.is/wp-content/plugins/super-forms/uploads/php/files/klnlaqb32ms6vrtc6tb6bnjgr4/zomabozemetetif.pdfIn PDF document text
- http://sungsam.net/userData/board/file/xelisikonevowe.pdfIn PDF document text
- http://robotsuk.com/luckingbros.co.uk/userfiles/files/41797117610.pdfIn PDF document text
- http://contactconfiance.com/files/files/35757873923.pdfIn PDF document text
- http://dges.in/userfiles/file/33138284683.pdfIn PDF document text
- http://vnationwide.com/userfiles/files/47103006658.pdfIn PDF document text
- http://gwardiajuvenia.pl/zdjecia/fck/file/75792130083.pdfIn PDF document text
- http://pijntherapie.be/uploads/files/29342758485.pdfIn PDF document text
- http://pamat.ro/UserFiles/file/56262026263.pdfIn PDF document text
- https://atcotourismtravel.com/userfiles/file/39623937944.pdfIn PDF document text
- https://gradeagroup.com/wp-content/plugins/super-forms/uploads/php/files/ttgdij70quehlsqif528jnkl8b/27070892349.pdfIn PDF document text
- https://markiza-trade.ru/admin/ckfinder/userfiles/files/91849625262.pdfIn PDF document text
- https://nstoplana.rs/ckfinder/userfiles/files/buparajoguwox.pdfIn PDF document text
- https://bosingels.nl/ckfinder/userfiles/files/29897049970.pdfIn PDF document text
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/16094c138eb50f---10409429890.pdfIn PDF document text
- http://architettoletiziamasciotta.eu/userfiles/files/24444477067.pdfIn PDF document text
- https://textosl.com/upload/editor/file/28003231545.pdfIn PDF document text
- http://adabaskimerkezi.com/upload/file/73746034190.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_off0000b038.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB038 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c84a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC84A | 14316 bytes |
SHA-256: 4d41222d7acd04692ef73a552115ccb2de44bbc0665d292b76d5850ba5a74142 |
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font_02_sfnt_off0000ec09.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC09 | 10916 bytes |
SHA-256: aec8e3e325b3224ad44541a2b077974f705363b2a8d708eac67492fee3a24e37 |
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