MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with numerous external URIs pointing to potentially compromised WordPress sites and other disposable hosting. The embedded URLs suggest a phishing or malware distribution scheme, aiming to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
Heuristics 6
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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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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://medvor.ru/uplcv?utm_term=jabra+step+bluetooth+headphones+manual PDF link annotation
- http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f970fd2bb3d---silakejisaxirem.pdfIn PDF document text
- http://dzbnf.com/upload/file///gazokosufofe.pdfIn PDF document text
- https://kaimano.it/file/41865594582.pdfIn PDF document text
- https://geneticapanama.com/userfiles/file/46233920848.pdfIn PDF document text
- http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160986b571403f---bovudivuliwenov.pdfIn PDF document text
- https://teddybestore.it/file/pusorafasat.pdfIn PDF document text
- http://labsshop.com/d/files/2966691745.pdfIn PDF document text
- http://happysmilecard.com/uploads/files/maletu.pdfIn PDF document text
- http://actlogistic.vn/upload/editor/files/deroju.pdfIn PDF document text
- http://xn--rssx31a7tec6p.com/upload/userfiles/files/20210705071543.pdfIn PDF document text
- http://novussiteyonetimi.com/uploads/file/57348968943.pdfIn PDF document text
- http://alrabbancapital.com/file/files/77528899134.pdfIn PDF document text
- http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/160ac6e196d830---jutogepumoxajagovarumuvuz.pdfIn PDF document text
- http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ee4f44b092c---safafosulewikusu.pdfIn PDF document text
- http://www.biharikft.hu/bihari-admin/ckfinder/userfiles/files/sutawaves.pdfIn PDF document text
- https://osikovo.eu/webroot/img/content/files/82551476765.pdfIn PDF document text
- https://hzautomatisering.nl/userfiles/file/gozudakepadagigitatoziwa.pdfIn PDF document text
- http://polkovnik.su/upload/file/95178457107.pdfIn PDF document text
- http://batiment-tunisie.com/userfiles/file/faxerumokupewip.pdfIn PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607080b6557b6---35262203547.pdfIn PDF document text
- http://bennett-legal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vomopazov.pdfIn PDF document text
- https://weblative.com/wp-content/plugins/super-forms/uploads/php/files/rgn28jnu4af8l71i6s6k0ictmd/82862243050.pdfIn PDF document text
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16080dc0c96903---pujezasamazinog.pdfIn PDF document text
- https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/8422ea755750316e98f06776211ac906/kukewerevovolarazunavawo.pdfIn PDF document text
- http://ruilong-ironwork.com/CKEdit/upload/files/61575235189.pdfIn PDF document text
- http://gezond-trakteren.nl/kasteel-doornenburg-img/bestandenfile/kukokutu.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ddfc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDFC | 18228 bytes |
SHA-256: 5dea7e6e8ac3917cdca0a93df05e5c1bdbbbc3d25dca32c1bdae574830f72389 |
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font_01_sfnt_off00010d66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D66 | 10796 bytes |
SHA-256: cf0fdcd87b5e064ff997b5d2b65aa409d8da7ac7b420e13951be0bb9b11e7dce |
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font_02_sfnt_off000125df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125DF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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