MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or trojan threat. It functions as a link farm, with numerous URLs pointing to compromised WordPress sites and other domains, likely intended to lure users to malicious content. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further suggests a deliberate effort to obscure the true destination of these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.5565
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://crysiq.ru/uplcv?utm_term=myasthenia+gravis+adalah+pdf PDF link annotation
- https://www.rapn.ru/ckfinder/userfiles/files/jabumidekegubilopizetaj.pdfIn PDF document text
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c602743cec4---xevojowasa.pdfIn PDF document text
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/161002c9363e67---zexowesarofilumukezipebir.pdfIn PDF document text
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160bbe300b303c---67043161247.pdfIn PDF document text
- http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/160757ce74db13---bomafogelowosovotevas.pdfIn PDF document text
- https://menu2uplus.com/images/file/484317434.pdfIn PDF document text
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160f3b2bf8cbc2---2694610142.pdfIn PDF document text
- http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160bd9abb360bb---36544156886.pdfIn PDF document text
- http://pogotowienaukowe.com/Upload/file/88678795041.pdfIn PDF document text
- https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/9600abf9471058e7d1b4ce1c935e79cf/disoremejub.pdfIn PDF document text
- http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161184c2b2bef0---20291660688.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/9aj21apgklhj5ikafmloka6d6c/busukasuwadeganu.pdfIn PDF document text
- http://jamessham.com/admin/usercontent/file/wozamoxizisijipixu.pdfIn PDF document text
- http://teckim.it/themes/userfiles//files/kopulosunonewiraxej.pdfIn PDF document text
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608651ca5f5b7---98018654191.pdfIn PDF document text
- http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606fe177764ea---26992074226.pdfIn PDF document text
- https://cvsc.co/userfiles/file/dizij.pdfIn PDF document text
- https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/8a84471082a79f0871a7f7995bd08409/5580847611.pdfIn PDF document text
- http://showplus.ae/userfiles/files/60469352651.pdfIn PDF document text
- http://planbmedia.hu/files/ketonuboxedikakafewelu.pdfIn PDF document text
- https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077d0f336236---45985050735.pdfIn PDF document text
- http://defhjdrjioo.friend-match.com/upload/files/kopasatujivero.pdfIn PDF document text
- https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/8c527f2d4bdbb8f4c15fd3e4c857814b/sanisekufotapogika.pdfIn PDF document text
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/6a8290938bbb4b0003e2c1a5a3527392/wolisej.pdfIn PDF document text
- http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/160d363288f14a---32400406252.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_off0000da75.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA75 | 17268 bytes |
SHA-256: c2f5c31ad7f2e70a10966f02f14e3a1321a73cdc4adca8941e98431177cc76b6 |
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font_01_sfnt_off00010777.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10777 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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