MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded URLs pointing to potentially compromised websites, suggesting a link farm or phishing lure. The presence of a 'download button' heuristic further supports a malicious workflow. ClamAV detection and ML classification strongly indicate this PDF is malicious, likely serving as a phishing document or a downloader for further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=artwork+approval+form+template PDF link annotation
- https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/0fb5578c1b155dbd8d4bc8cc2d67d7d0/69246385840.pdfIn PDF document text
- http://kaies.cn/upfiles/21060104485059848803nl6n.pdfIn PDF document text
- http://ankurgroups.com/userfiles/file/wuwaratisewoxakumopus.pdfIn PDF document text
- https://taxiparga.com/wp-content/plugins/super-forms/uploads/php/files/65c81d0765974def211927691d353f20/sakogixewunafawosojisugem.pdfIn PDF document text
- http://anhuifan.com/upload_fck/file/2021-5-11/20210511065641734464.pdfIn PDF document text
- http://brothersaluminium.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/160ae45885b8b8---kevekofifosajitawexedogo.pdfIn PDF document text
- http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608ba4a4b2bd9---61904629505.pdfIn PDF document text
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/a48af0e35b8da6934c3e592ab8af578c/52729647005.pdfIn PDF document text
- http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/d124bc4d5ba6bd00981c2be4f511f972/94916816210.pdfIn PDF document text
- https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/62f88f3da8c7b38daebd3d14ea6e2c67/kugadibikibukusewi.pdfIn PDF document text
- http://ordinate-ltd.com/file_media/file_image/file/51657306114.pdfIn PDF document text
- https://giustofiori.it/file/22091161984.pdfIn PDF document text
- http://etasystem.net/userfiles/files/46593993796.pdfIn PDF document text
- https://bataretak.com/img/files/file/wofededorolutij.pdfIn PDF document text
- https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/872c0867d934209400ce48193278443e/nivelasafewamiwumanavew.pdfIn PDF document text
- http://tsg-vaganovskoe.ru/ckfinder/userfiles/files/67226981554.pdfIn PDF document text
- https://actorconseil.com/files/file/17877046822.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ea37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA37 | 5072 bytes |
SHA-256: 40f57dfe60bfdbcf1b956d3c69355538ac5c308a17efc707c1891c4c5fdd17a5 |
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font_01_sfnt_off0000fb88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB88 | 10620 bytes |
SHA-256: 656aa5750a75b6c4ac322e831b0b5f2696074132c54b04bf31bffc63c2f4e719 |
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