MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains numerous links pointing to compromised WordPress sites, likely serving as a link farm to distribute malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, specifically identified as a phishing trojan. The embedded links suggest an attempt to redirect users to further malicious sites, potentially for credential harvesting or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 6
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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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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://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160752d2dc7b0f---59956731003.pdf
- http://kozszemle.hu/uploads/files/32851871272.pdf
- http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a4ebb1cf04---dupigesirixigafapefoja.pdf
- https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/5c56445d84f7a894c3737faf28e20d11/5925576288.pdf
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/160d92b2f0cc0e---36174444110.pdf
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607ffe0e4bb82---45053587573.pdf
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607c8926c24ca---175363550.pdf
- http://greece-ex.com/images/blog//file/83034983345.pdf
- https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/d43a628c9f68381458cbab29fe0f265a/33467961832.pdf
- https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/49600d8d11a40c9bd691fe7f3c312a3c/37699354824.pdf
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b257126f4f7---35297412566.pdf
- http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160931056cc039---nuvevuxanisasubabefogeti.pdf
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160c50222cf121---komapuvirezugepotofeni.pdf
- https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/70b2c6175bcae32d7a9902db88599634/sixutovu.pdf
- http://psychoterapia-przemysl.net/img/userfiles/file/49371409573.pdf
- https://www.engltg.com/wp-content/plugins/super-forms/uploads/php/files/1ff4b0a17e23177bfd70dfe600dc362b/94523051897.pdf
- https://amatnieks.com/pictures/image/wojewubujoveziw.pdf
- http://wsm.hk/images/files/4600252956.pdf
- http://idealhca.com/admin/images/file/vafanijoxuzagore.pdf
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/01893afbd86c31d5651b81354610b290/35130985593.pdf
- http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16079869f67395---40146621982.pdf
- https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/98db186d6586b04134bdb611eb8abc48/metibuzibun.pdf
- http://paroissedementon.fr/upload/files/36635314850.pdf
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f42d199fa9---bigiresatejozibaj.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=dizzy+and+vomiting
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e7f7.binb5baa4bc6208d06887d71ac857d09fa4d593ac319b6e036b5d29cfcbdc30744b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7F7 | 16480 bytes |
font_01_sfnt_off00011265.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11265 | 16792 bytes |
font_02_sfnt_off00012a7c.bindc835da8428a72d17de4ec0b9f478cd4f96db404e1cc6d716efe14289b9a5c58 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A7C | 10388 bytes |
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