MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users. The ML classifier strongly flagged this PDF as malicious, and the heuristic firings suggest it's part of a campaign to distribute further payloads or conduct phishing. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 5
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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=getting+it+over+apk PDF link annotation
- http://thevisionkharj.com/userfiles/files/dudis.pdfIn PDF document text
- http://wjvanderheidedienstverlening.nl/uploads/file/94483184394.pdfIn PDF document text
- https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/0a8e8e78a7a86fbb1cf52b77f5fa2e6d/71888848215.pdfIn PDF document text
- http://inica.org/files/file///39343312704.pdfIn PDF document text
- http://rorolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/15344747276.pdfIn PDF document text
- https://valstybestarnyba.com/upckfinder/files/98614272665.pdfIn PDF document text
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130367fdb327---31742037018.pdfIn PDF document text
- http://tbm-mova.by/images_from_html_editor/file/rudevexewafak.pdfIn PDF document text
- http://jiehuist.com/userfiles/files/49462218888.pdfIn PDF document text
- http://fullerton.kopanramen.com/uploads/files/zurabatenexiribigikavubuj.pdfIn PDF document text
- https://institutdesante.org/userfiles/file/75793412684.pdfIn PDF document text
- http://ltpbetel.ro/userfiles/file/berekezut.pdfIn PDF document text
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/ldghhfmmq47asi380ia23ak3tt/nuwusox.pdfIn PDF document text
- http://sangiorgioautoservizi.com/userfiles/files/90490474827.pdfIn PDF document text
- http://dlshixiang.com.cn/ckfinder/userfiles/files/32669040304.pdfIn PDF document text
- http://pierrevillers.fr/mairie_files/file/nurekenituti.pdfIn PDF document text
- http://gaongonmaiphuong.vn/webroot/img/files/76238586412.pdfIn PDF document text
- https://chambres-a-la-ferme-plouzelambre.fr/userfiles/file/zorugadofusegopowetox.pdfIn PDF document text
- http://brilliantsolarpaneling.com/userfiles/file/lepek.pdfIn PDF document text
- http://abwingsde.com/uploads/files/13039334450.pdfIn PDF document text
- https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/8cac227e90f29438067c95fd442e4567/tagixugorov.pdfIn PDF document text
- https://mimpishiosatu.com/contents/files/nawuxenekime.pdfIn PDF document text
- http://avtokit116.ru/!upload/files/27193768470.pdfIn PDF document text
- http://www.sudaff.com/pics/file/jaxudipovebugiwepen.pdfIn PDF document text
- http://tjtvina.com/Upload/files/nenagitarigokadis.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_off0000b124.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB124 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c93b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC93B | 10412 bytes |
SHA-256: c4748e5dfee5dba300a1e3ee10375dc3767f3ad4ad2205d4d09c7fbe84c47223 |
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font_02_sfnt_off0000e0ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0FF | 16316 bytes |
SHA-256: 3c112411674b5e2899424011d231a0964256b3ce9b26858272d3985d52f2af88 |
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