MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised WordPress uploads and disposable hosting, suggesting a link farm designed to redirect users. The presence of PDF-specific heuristics like PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM further supports this, indicating the PDF's primary function is to distribute links to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.6314
Heuristics 5
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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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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=business+plan+overview+template PDF link annotation
- http://allnatureint.com/userfiles/file/fesomujivufaxadojagi.pdfIn PDF document text
- http://theettiaresmontreal.com/clients/f/f0/f03dfc1790708d0b03c48e9879ef2ea6/File/delaposipu.pdfIn PDF document text
- http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607066755f7ad---43076472189.pdfIn PDF document text
- http://fusiongrup.ro/userfiles/file/53377064894.pdfIn PDF document text
- https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/ba7017f436bb5c7c157d0226c50a7f79/peremitoroveledutez.pdfIn PDF document text
- https://artbynela.com/uploads/file/fatuvimufunalalenu.pdfIn PDF document text
- http://terminsk.by/pics/files/bexekusid.pdfIn PDF document text
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160786498075c1---gijidelewigikunufumivul.pdfIn PDF document text
- https://comobrew.com/newsite/images/user_uploads/file/50539799861.pdfIn PDF document text
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b0a272259aa---14644902125.pdfIn PDF document text
- https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/021dda34095f6eb263bd42d522875ca7/xulipupiziwaxujikisu.pdfIn PDF document text
- https://www.geo-decouverte.com/ck/ckfinder/userfiles/files/ruwipofekipamoruxod.pdfIn PDF document text
- http://lignumweb.com/site/webroot/uploads/files/98433555523.pdfIn PDF document text
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086810d29427---fadevow.pdfIn PDF document text
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608f208b49709---wovar.pdfIn PDF document text
- http://olneyjune65.com/clients/d/dc/dcef5d22f85ec69f5810ba62c2e8cf46/File/81458878569.pdfIn PDF document text
- http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/160754d0d2b031---24613761976.pdfIn PDF document text
- http://iteequipment.com/clients/65150/File/3738813393.pdfIn PDF document text
- https://rosewoodcity.org/nbloom/fckuploads/file/16385748834.pdfIn PDF document text
- https://sportuna.be/ckfinder/userfiles/files/45329049548.pdfIn PDF document text
- http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071c307142f3---23454623599.pdfIn PDF document text
- http://sochi-vitrazhi.ru/ckfinder/userfiles/files/45521343340.pdfIn PDF document text
- https://marblobathware.com/app/webroot/img/files/89738418414.pdfIn PDF document text
- http://hoacanh.net/luutru/files/39995172741.pdfIn PDF document text
- http://sutinlawkrabi.com/ckfinder/userfiles/files/46674038491.pdfIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000faca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFACA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000112e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112E1 | 10716 bytes |
SHA-256: 1c0e16d30cbbb607eada289e999599f7e52f302428c5b229467b18d2eeaa4385 |
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