MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ClamAV with a 'Pdf.Phishing.Trojan' signature. Static analysis reveals numerous embedded URLs, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall structure indicate a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier suspicious score 0.4208
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://chcial.ru/uplcv?utm_term=into+vs+in+to+examples PDF link annotation
- https://www.litesourcenc.com/wp-content/plugins/super-forms/uploads/php/files/7e0328fd7d8dcffcd3d0d268e1e20b2e/lotefunomatulujimowaxapo.pdfIn PDF document text
- http://ettermanenterprises.com/ckfinder/userfiles/files/93611325166.pdfIn PDF document text
- https://www.meditech.cz/ckfinder/userfiles/files/femabavebe.pdfIn PDF document text
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/sir2od7lp20ufbbjb6s4fded9l/gezebexonadasusef.pdfIn PDF document text
- http://fueandhair.com/userfiles/files/zizozinekokojemiwaxelin.pdfIn PDF document text
- http://azbuka-d.ru/ckfinder/userfiles/files/65629799504.pdfIn PDF document text
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6352e4e6b3---wowalepinosabesotabemozi.pdfIn PDF document text
- https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160849923bba71---66597580235.pdfIn PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/dd81857fef4e8a13c93ada64b9b38afc/vudikelisalaxu.pdfIn PDF document text
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/ll5v7jurdj4hgnionguk7nstm1/saguxadilituter.pdfIn PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16081b23862e1b---74011468133.pdfIn PDF document text
- https://seripin.com/calisma2/files/uploads/73849236224.pdfIn PDF document text
- https://chamsocmuihong.com/wp-content/plugins/super-forms/uploads/php/files/0ektnsqc7ie9t62pj7l1vntpqt/dovikarifapupaxebe.pdfIn PDF document text
- http://c2r-auto.com/uploadfiles/file/2021060209075873499.pdfIn PDF document text
- http://auburn-properties.com/userfiles/files/60619242117.pdfIn PDF document text
- http://phenix-security.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607ad0f4a0f54---36584973243.pdfIn PDF document text
- http://cachnhietcacham.vn/Images_upload/files/92027216024.pdfIn PDF document text
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f4d24b8542---42862854380.pdfIn PDF document text
- http://jnnycc.org/userfiles/file/xozozilikatukemujibodil.pdfIn PDF document text
- http://soflocops.com/clients/67403/File/99632910194.pdfIn PDF document text
- https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160edd2441edc2---rulorepotufubapomaduzazo.pdfIn PDF document text
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/f99bf57c89441ac852b96b616ef7cbe2/tazagozafav.pdfIn PDF document text
- http://weberstellen.ch/userfiles/file/kutatufajusuwejemopexatek.pdfIn PDF document text
- http://essuances.com/ckfinder/userfiles/files/65955792915.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_off0000f9c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9C8 | 17256 bytes |
SHA-256: 74b25183988fe5ccda9c2e4d2fab59412a4ccd420872ea23463339efdf996b97 |
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font_01_sfnt_off000126ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126CE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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