MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URLs that function as a link farm, directing users to external sites, some of which are also PDFs. Heuristics indicate these links are on disposable hosting and potentially compromised WordPress uploads, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://oniceh.ru/uplcv?utm_term=compressed+ppsspp+games+for+android PDF link annotation
- http://xnucleus.com/members/member_images/files/nezepadovupunepo.pdfIn PDF document text
- http://nesemlak.com/test/images/uploads/files/74910843877.pdfIn PDF document text
- http://mobiliteit.nu/files/gijujemeni.pdfIn PDF document text
- https://camgloberealtor.com/userfiles/file/75381272007.pdfIn PDF document text
- https://lesura.net/userfiles/file/bokofizimokekujituv.pdfIn PDF document text
- http://e-district.org/userfiles/file/33605530443.pdfIn PDF document text
- http://frankslawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/bejoxomisawudeparobefojit.pdfIn PDF document text
- http://duoctruongxuan.vn/userfiles/image/file/42843595190.pdfIn PDF document text
- http://consade.com/userfiles/file/14158087199.pdfIn PDF document text
- https://molecult.metallo-tests.ch/sites/web/upload/files/68238770647.pdfIn PDF document text
- https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/16139a30b9c578---jamubuzapowididozezuki.pdfIn PDF document text
- http://hotelclinton.it/userfiles/files/40638755524.pdfIn PDF document text
- http://rnralpha.cz/res/file/5483225412.pdfIn PDF document text
- http://gamboeng.com/assets/ckfinder/userfiles/files/9629216846.pdfIn PDF document text
- http://www.zywawiara.pl/pliki/xijukibemawipar.pdfIn PDF document text
- http://winso.tw/userfiles/file/86739166249.pdfIn PDF document text
- http://www.rodnolespropertymanagement.com/siteuploads/editorimg/file/45795845158.pdfIn PDF document text
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/161315173934df---84138505581.pdfIn PDF document text
- https://holcom-solar.com/webroot/img/files/35491749355.pdfIn PDF document text
- http://ganteltechnology.com/system/userfiles/file/77316390814.pdfIn PDF document text
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/aii5p11pb2cso47918v26agvu7/towugubinugexe.pdfIn PDF document text
- https://cfaegaianascente.pt/portal/userfiles/files/foxeluwawolemopafipom.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_off0000d661.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD661 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ee73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE73 | 18116 bytes |
SHA-256: cfdc3d3ab1db4071a38be7c73e3274b69c392b1414ad86666974784a39ec7ddd |
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font_02_sfnt_off00011d49.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D49 | 10728 bytes |
SHA-256: e2c5f58190e1d27abd5ecd03906fe71e928cfbd2a06a72b96d80ffd4a3261d41 |
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