MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external links, many pointing to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution. The presence of multiple external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic confirm the link-farming nature of the document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://garglob.ru/uplcv?utm_term=yu+gi+oh+rom PDF link annotation
- http://wx-test.com/upload/ckimg/files/202109040258561333.pdfIn PDF document text
- http://coral-travel66.ru/admin/ckfinder/userfiles/files/gokadurexefebuvano.pdfIn PDF document text
- http://fd-health.com/upload/ckeditor/files/39732789604.pdfIn PDF document text
- http://domingo.hu/ckfinder/userfiles/files/62413390432.pdfIn PDF document text
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147e4ac38fe0---xuvilifixakugol.pdfIn PDF document text
- https://alternativi.brtim.com/uploads/wysiwyg/files/zaborulet.pdfIn PDF document text
- https://www.lipca.com/ckfinder/userfiles/files/81526570956.pdfIn PDF document text
- http://dorp.pl/userfiles/files/70041567105.pdfIn PDF document text
- http://www.sunriseacademy.in/ckfinder/userfiles/files/kegasilifuximerobulaneli.pdfIn PDF document text
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1614bd28ee1ca6---moxidezadakejoteb.pdfIn PDF document text
- https://pacpartner.net/images_client/imagesfile/nawutewowusirumefunovale.pdfIn PDF document text
- https://52fantasies.com/home/holly/public_html/ckfinder/userfiles/files/12808286571.pdfIn PDF document text
- http://balone.net/_upload/file///19956996598.pdfIn PDF document text
- http://www.deopendeur.org/imgUser/file/84607591829.pdfIn PDF document text
- https://www.huaikrachaohospital.go.th/assets/global/lib/ckfinder/userfiles/files/58073327381.pdfIn PDF document text
- http://basketaci.cz/UserFiles/File/53824367262.pdfIn PDF document text
- https://ijacr.net/assets_admin/ckfinder/core/connector/php/uploads/files/wezijalifemigotepave.pdfIn PDF document text
- http://cjpharmtech.com/upload/files/52273017029.pdfIn PDF document text
- http://brcassociati.com/userfiles/files/feluzupovapujatud.pdfIn PDF document text
- http://lightofislamonair.org/uploads/files/23222445671.pdfIn PDF document text
- http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/aef1781641ae0e4a86e676f4a9fa5c54/22438180561.pdfIn PDF document text
- https://pisangmanis.com/contents/files/jibavokudigezenenim.pdfIn PDF document text
- http://www.teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/92903718912.pdfIn PDF document text
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/40687f3fd8d5a2c8ad3e8861ac3e6c7f/zutonutulurokudogap.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_off0000c3b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3B9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dbcb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBCB | 17848 bytes |
SHA-256: d01e8ef2f46ab1c6e4d232409ea4287971c2d35952fd83c790984897fbf74aba |
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font_02_sfnt_off00010a66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A66 | 9928 bytes |
SHA-256: 91a5cf0e7b662fd947e85339507989d67561f4b6f915a36a21ab32c9a170be69 |
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