MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a link farm pointing to multiple compromised WordPress upload directories and disposable hosting sites, suggesting a phishing or scam lure. The presence of embedded URLs and the PDF structure strongly suggest it's intended to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.7835
Heuristics 5
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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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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://coretry.ru/uplcv?utm_term=adding+and+subtracting+rational+expressions+calculator+with+steps+free PDF link annotation
- http://morethancars.nl/uploads/edytor/file/67922133526.pdfIn PDF document text
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/35988c54726551afd52055ffa68aa2a9/32663165602.pdfIn PDF document text
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d19ca01b2c8---2864379608.pdfIn PDF document text
- https://floridainvestment.cz/files/file/21259970593.pdfIn PDF document text
- https://denizlihorozu.com/resimler/files/tebututunatababu.pdfIn PDF document text
- https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a5abb8a5cf---vubabefudoxekepoxekela.pdfIn PDF document text
- http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/ddc294579785f035fe6ad53a320cc77e/45802921316.pdfIn PDF document text
- http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c19dde96475---zoxosezisebum.pdfIn PDF document text
- https://verandapattaya.com/userfiles/files/48367245557.pdfIn PDF document text
- https://alves.bg/ckfinder/userfiles/files/29430635002.pdfIn PDF document text
- https://bisleri.genefied.co/ckfinder/userfiles/files/reziwe.pdfIn PDF document text
- http://www.southforconstruction.com/frontend/web/ckfinder/userfiles/files/berabufabibavuvesodepalu.pdfIn PDF document text
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0e694644bb---fugajeriranavoji.pdfIn PDF document text
- http://yossy.biz/userfiles/file/96493018163.pdfIn PDF document text
- https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/8f951a55b107a9c4438f3b8f945a8782/30744582047.pdfIn PDF document text
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/16078660450866---53675000224.pdfIn PDF document text
- https://hoakhanh.vn/uploads/image/files/ludite.pdfIn PDF document text
- https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/4584e4a09fc70e21a688c7f43636f0e8/dosanexipejikunipavam.pdfIn PDF document text
- http://ztkammer.at/uploads/file/93758317950.pdfIn PDF document text
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/1608d5e9a78f02---86857718591.pdfIn PDF document text
- http://xn----7sbakn3aoflleitf3m6a.xn--p1ai/userfiles/file/44864609800.pdfIn PDF document text
- https://goacetours.com/ckfinder/userfiles/files/26451652477.pdfIn PDF document text
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/oubo59qu005rrmlftl1iil5ir7/nigagabonaki.pdfIn PDF document text
- http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609103e29bd71---mewiwikunile.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_off0000f26e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF26E | 17688 bytes |
SHA-256: cd552323b169b6c85a505bbb31c5b956f2c6ab01110b0c256ff62a67bc31ce4c |
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font_01_sfnt_off0001213e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1213E | 11308 bytes |
SHA-256: 76e3a2b8ba661cc7ca5e93c359bebae807bbe1b4171cb808d838e660a0c44442 |
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